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  • Laser power meter with 100µW-100W measurement range, multi-channel USB connection with PC is optional
    Laser power meter is used to measure laser power and power stability. CNI as a world's leading designer and manufacturer of laser system, designed several laser power measurement instruments with the features of accuracy testing, easy operation, etc., which could fully meet customer's practical needs of laser power and power stability measurement. They are widely used in the research, teaching, medical science, industry and other fields. The power can not go beyond the range of the power meter when using it. ■ Testing Instrument: Power Meter Product Picture Model Power range Main Features Thermopile Laser Power Meter TS series (wide range) TS2+TP100 2mW-2W 1.Wavelength range: 0.19 -20µm 2. Damage threshold: 15kW/cm2 3. Power measurement range:2mW-15W 4. Sensitivity diameter: 14mm 5. Minimum measuring precision:0.1mW 6. SMA905/ FC fiber switch connector (Optional) TS5+TP100 5mW-5W TS15+TP100 10mW-15W TS35+TP100 10mW-35W 1. Wavelength range: 0.19 -25µm 2. Damage threshold: 40kW/cm2 3. Power measurement range: 10mW-50W 4. Sensitivity diameter: 22mm 5. Minimum measuring precision: 0.001W 6. SMA905/ FC fiber switch connector (Optional) TS50+TP100 10mW-50W TS100+TP100 0.5W-100W . Wavelength range: 0.19 -20µm 2. Damage threshold: 45kW/cm2 3. Power measurement range: 0.5W-100W 4. Sensitivity diameter: 25mm 5. Minimum measuring precision: 0.001W HS series (High Precision) HS1+TP100 100µW-1W 1. Wavelength range: 0.19 -15µm 2. Damage threshold: 1.5kW/cm2 3. Power measurement range: 100µW-5W 4. Sensitivity diameter: 8.5mm 5. Minimum measuring precision: 0.01mW 6. SMA905/ FC fiber switch connector (Optional) HS5+TP100 500µW-5W USB series (Multi-channel) TS2/TS5/TS15-USB TS35/TS50-USB TS100-USB HS1/HS5-USB 100µW-100W 1. Wavelength range:0.19 -25µm 2.Power measurement range: 100µW-100W 3.Single channel/multiple channel power measurement 4.PC upper computer software display measurement Photoelectric Laser Power meter PS100 series (High precision) PS100 2nW-100mW 1. Wavelength range: 320-1100nm 2. High precision: ±2% 3. Resolution: 2nW 4. Minimum measuring precision: 0.001nW ■ Examples of Testing Results High precision photoelectric power meter testing result Termopile power meter testing result

    2020 06/03

  • CNI had a great show at Photonics West 2020
    The Photonics West is one of the largest international optoelectronics exhibitions in the United States, and was held as scheduled in 2020. Here you can get access to the cutting-edge technologies and advanced technologies, including the fields of biomedical photonics, industrial laser light sources, optoelectronic materials and devices, MEMS and MOEMS photonics technology and nanotechnology. CNI exhibited hot products such as ultra-compact diode laser, ultraviolet laser, single-frequency solid-state laser, Multi-wavelength fiber coupled laser system, fiber laser, laser sources for LIBS and Lidar, structured laser, laser power meter and spectrometer, etc.

    2020 02/25

  • The Most Cutting-edge Research by Laser Tools
    Nowadays, laser technology is practically ubiquitous, and lasers are a cutting-edge tool used in developing all manner of brilliant innovations. Up to now, more than ten thousand of academic papers have been publised by using CNI lasers, and the optical beam can be found in various practial applications. To memorize this milestone, we listed some applications in respect to our customers. 01Confocal Light Field Microscopy The institute of Neuroscence, Chinese Academy of Sciences, presents a new imaging method, confocal light field microscopy, to enable fast volumetric imaging deep into brain. They demonstrated the power of this method by recording whole brain calcium transients in freely swimming larval zebrafish and observed behaviorally correlated activities on single neurons during its prey capture. Furthermore, they captured neural activities and circulating blood cells over a volume ⌀ 800 μm x 150 μm at 70 Hz and up to 600 μm deep in the mice brain. Paper title: Capturing volumetric dynamics at high speed in the brain by confocal light field microscopy Periodical: bioRxiv, doi:https://doi.org/ 10.1101/ 2020.01.04.890624, page 23 473nm 1.5W laser for CLFM 02Handheld Photoacoustic Imaging With the aim of clinical translation, a photoacoustic imaging platform with a portable system size, a miniaturized imaging probe, and convenient handheld capability is of great demand. Nayang Technilogical University had on expriement by adopting an ultrathin central-holed matrix array and a compact coaxial photoacoustic design, a water-free handheld photoacoustic imager is developed(weight:44g).This experiement uses a 15mj fiber coupled laser that customized by CNI,and its paper is pulished in IEEE transactions on Biomedical Enginnering. Paper title:Development of a handheld volumetric photoacoustic imaging system with a central-holed 2D matrix aperture. Periodical: IEEE Transactions on Biomedical Engineering · January 2020 DOI: 10.1109/TBME.2019.2963464, page 3 03 Photodynamic Therapy Antimicrobial photodynamic therapy (aPDT) leads to the generation of reactive oxygen species (ROS) that destroys bacterial cells in presence of a photosensitizer, visible light, and oxygen. Aligarh Muslim University has taken Enterococcus faEcalis and Streptococcus mutans as monospecies culture and their dualspecies culture biofilm. Antibacterial effect was evaluated by colony forming unit while antibiofilm action by crystal violet and congored binding assays. Finally they found that reactive oxygen species and singlet oxygen yield was found to be light dose dependent and antimicrobial photodynamic efficiency is directly related to the ROS production. They use a 630nm CNI laser to complete the experiement and published their paper in Photodiagnosis and Photodynamic Therapy, 2019 - Elsevier. Paper title: Photodynamic efficacy of toluidine blue O against mono species and dual species bacterial biofilm. Periodical: Photodiagnosis and Photodynamic Therapy, 2019 - Elsevier 04 Nitrogen-vacancy Center Detection Electron spin resonance (ESR) spectroscopy has broad applications in physics, chemistry, and biology. However, the traditional zero-fifield ESR (ZF-ESR) method has been rarely used due to the low sensitivity and the requirement of much larger samples than conventional ESR. The University of Science and Technology of China presents a method for deploying ZF-ESR spectroscopy at the nanoscale by using a highly sensitive quantum sensor, the nitrogen vacancy center in diamond. This method opens the door to practical applications of ZF-ESR spectroscopy, such as investigation of the structure and polarity information in spin-modifified organic and biological systems. They use a CNI 532nm laser and their paper is published in Nature Communications. Paper title: Nanoscale zero-fifield electron spin resonance spectroscopy Periodical: Nature Communications (2018) 9:1563 | DOI:10.1038/s41467-018-03969-4, page 2 05 Synthetic Biology Droplet microfuidics enables massively-parallel analysis of single cells, biomolecules, and chemicals, making it valuable for high-throughput screens. However, many hydrophobic analytes are soluble in carrier oils, preventing their quantitative analysis with the method. Synthetic biologists engineer organisms to produce high-value compounds, including drugs, biofuels, and chemical building blocks. The University of California applys Printed Droplet Microfuidics to construct defined reactions with chemicals and cells incubated under air on an open array. The method interfaces with most bioanalytical tools and retainshy drophobic compounds in compartmentalized reactors, allowing their quantitation. This experiment uses a multi-line laser that contain 405nm, 473nm, 532nm and 640nm that manufacutured by CNI Laser. Their paper is published in Scientific Reports. Paper title: An Oil-Free Picodrop Bioassay Platform for Synthetic Biology. Periodical: SCIENTIFIC REPORTS | (2018) 8:7913| DOI:10.1038/s41598-018-25577-4, page 5 06 Optical Diffraction Tomography Korea Advanced Institute of Science and Technology presents a multimodal approach for measuring the three-dimensional (3D) refractive index (RI) and fluorescence distributions of live cells by combining optical diffraction tomography (ODT) and 3D structured illumination microscopy (SIM). A digital micromirror device is utilized to generate structured illumination patterns for both ODT and SIM, which enables fast and stable measurements. They use CNI 473nm and 532nm single frequency lasers to complete the experiment, and the paper of this research is published in Scientific Reports. Paper title: Super-resolution three-dimensional fluorescence and optical diffraction tomography of live cells using structured illumination generated by a digital micromirror device. Periodical: SCIENTIFIC REPORTS | (2018) 8:9183 | DOI:10.1038/s41598-018-27399-w 07 Optoelectronic Synaptic In recent years, optoelectronic synaptic devices have become the application platform for next generation neuromorphic system and artificial neural network. The key synaptic functions such as excitatory postsynaptic current (EPSC) and paired-pulse-facilitation (PPF) were successfully emulated by Human Key Laboratory of Super Microstructure and Ultrafast Process, School of Physics and Electronics, Central South University. More importantly, by exposing an ultraviolet (360nm) laser (CNI Laser), the transformation of short-term memory (STM) to long-term memory (LTM) can be mimicked in our neuromorphic devices. These results represent an important step toward the next-generation neural networks enabled by photo-electric hybrid nano-electronics, and point to the potential of more sophisticated neuromorphic computations. Their paper is published in Solid-State Electronics, 2020 - Elsevier. Paper title: Poly(vinyl alcohol)-gated junctionless Al-Zn-O phototransistor for photonic and electric hybrid neuromorphic computation. Periodical: Solid-State Electronics, 2020 - Elsevier We feel very happy and honored that CNI lasers are helping more and more customers to successfully complete their research. All CNI staff will be dedicated to continually evolving our knowledge and experience to deliver innovative products and expertise that advance our customers.

    2020 06/12

  • Application of Adaptive Optics in Fluorescence Microscope
    Research Background Fluorescence microscopy has the advantages of less damage to samples, specific labeling, and suitable for in vivo imaging, etc. It has always been the main method in biomedical research. However, due to the defects of the optical system itself, the unevenness of the optical properties of the biological sample, and the change in the refractive index of the interface between the sample and the microscope infiltration medium, etc., the aberration occurs. The presence of aberrations makes it difficult for microscopic imaging to achieve diffraction-limited resolution. Aberrations have different effects on different microscopes, but in all cases will lead to a reduction in image contrast and resolution, and as the depth of biological tissue imaging increases, the aberration problem becomes more and more serious, making fluorescence Microscopes cannot image high-resolution deep layers of living organisms. Adaptive optics (AO) technology corrects dynamic optical wavefront errors by using deformable mirrors (DM) or spatial light modulators (SLM) and other correction elements, thereby improving the imaging performance of the optical system. Therefore, more and more researchers combine AO with fluorescence microscopy to correct dynamic wavefront aberrations and improve imaging qual Basic Principles of Adaptive Optics A typical AO system includes a wavefront detector, a wavefront controller, and a wavefront corrector, as shown in Figure 1. Its working principle is: 1) First, the wavefront detector detects the optical wavefront error from the target or the beacon source near the target in real time; 2) The wavefront controller then processes the error and converts it to the control signal of the wavefront corrector and drives it to start working; 3) Finally, the wavefront corrector converts the control signal into a wavefront phase change, compensates and corrects the aberration, restores the wavefront to the state before the distortion, and eliminates the dynamic wavefront error. Figure 1 Structure diagram of a typical adaptive optical system AO fluorescence microscope and its application According to different imaging methods, fluorescence microscopes can be divided into two categories: wide-field imaging microscopes and spot scanning imaging microscopes. >Wide field imaging microscope In a wide-field imaging microscope, coherent light or incoherent light is focused on the back focal plane of the objective lens to form approximately parallel illumination light in the sample space. The illumination light illuminates a large range of the sample and excites fluorescence, and finally is detected by the area array Detector imaging. However, when the area array detector is used for detection, the fluorescence image in the imaging optical path will be directly displayed on the detector, resulting in the image quality being affected by the wavefront aberration. Therefore, for wide-field imaging microscopes, AO correction of the imaging optical path is necessary. The wide-field imaging microscope mainly includes ordinary wide-field fluorescence microscope, structured light illumination microscope and single molecule positioning microscope . >>Ordinary wide-field fluorescence microscope The illumination method of the ordinary wide-field fluorescence microscope is Kohler illumination, and the aberration of the illumination light path has no effect on the imaging quality, so only the imaging light path needs to be adaptively corrected, as shown in FIG. 2. Through the model-based optimization algorithm and the phase recovery wavefront sensing mechanism, indirect wavefront detection without wavefront sensing can be achieved, which has a relatively ideal correction effect. The direct wavefront detection method based on the Shock-Hartman wavefront sensor (SHWS) requires the use of guide stars to detect aberrations. Therefore, researchers use artificial guide stars such as fluorescent microspheres, fluorescent proteins, and biological tissues. Backscattered light enables imaging on the order of microns of biological tissue. igure 2 Conjugated AO wide-field microscope system and imaging comparison before and after AO correction >>Structured light microscope The structured light illumination microscope (SIM) loads the high-frequency information of the object into the detection passband of the optical system through spatial mixing in the frequency domain through structured illumination, thereby achieving super-resolution imaging that breaks through the diffraction limit. The structured light quality and illumination optical path of SIM are sensitive to aberrations, so the illumination optical path and imaging optical path need to be corrected together, as shown in Figure 3. In 2017, Li et al. used adaptive optical structured light illumination microscope system based on woofer-tweeter double anamorphic mirror and wavefront sensor to achieve faster aberration detection and correction. Figure 3 AOSIM system and imaging comparison before and after AO correction >>Single-molecule localization microscope Single-molecule localization microscope mainly includes photosensitive localization microscope (PALM) and random optical reconstruction microscope (STORM). By labeling samples with fluorescent molecules with a switching effect, and performing sparse excitation and time-sharing imaging of these fluorescent molecules, single-molecule fluorescence images are obtained, then the centroids of the fluorescent molecules are accurately located, and finally thousands of single-molecules obtained at different times are obtained The molecular positioning information is superimposed to obtain nano-resolution images to achieve super-resolution imaging. For a single-molecule positioning microscope, only the imaging optical path needs to be adaptively corrected, as shown in 4. In 2013, Burke et al. proposed an optimization algorithm based on image sharpness measurement, which was applied to PALM to achieve aberration correction and imaging quality improvement. Tehrani et al. successively proposed AO-STORM based on genetic algorithm and particle swarm optimization algorithm to realize the real-time correction of the distorted wavefront during the STORM data collection process. Figure 4 AO single molecule positioning microscope system and imaging comparison before and after AO correction >Point Scanning Imaging Microscope In the point scanning imaging microscope, the light emitted by the point light source is expanded and collimated and enters the microscope objective lens in the form of parallel light. The focused light spot focused by the objective lens illuminates a certain point in the sample and excites fluorescence. Fluorescence is collected by the imaging system and then detected by a point detector, and finally imaged by point scanning. It can be seen that the aberration of the sample will affect the focus point in the illumination light path, dispersing the focus, resulting in the failure to excite the sample or generate unnecessary background light on the defocused surface. Therefore, for the spot scanning imaging microscope, the correction of the illumination light path is necessary. Point scanning imaging microscope mainly includes confocal fluorescence microscope, two (multiple) photon fluorescence microscope and stimulated emission loss microscope . >Confocal fluorescence microscope The confocal fluorescence microscope uses laser as the excitation light source. A pinhole is placed in front of the photodetector to conjugate the pinhole to the point light source to filter out stray light. The sample is scanned point by point and layer by layer to achieve high sample height. Resolution three-dimensional imaging. The dual (multiple) photon fluorescence microscope is based on the nonlinear effect of dual (multiple) photon excitation. The sample is only excited in a small area near the focal point. There is no need to use a pinhole to filter out stray light in front of the detector, so only the illumination light path is needed. Perform aberration correction as shown in Figure 6. The AO method without wavefront sensor based on aperture segmentation is applied to two-photon fluorescence microscope to realize microscopic imaging of biological tissue with large field of view and large imaging depth. The direct method based on SHWS and DM is applied to the two-photon microscope to realize the direct detection and correction of aberrations in tissues such as Drosophila embryos and mouse brains. Both the illumination optical path and the imaging optical path of the confocal fluorescence microscope need to be adaptively corrected, as shown in FIG. 5. The Tao team used fluorescent microspheres, fluorescent protein labeling structures, and fluorescent protein centrosomes as guide stars for SHWS to achieve direct measurement of the distorted wavefront and correct it with DM. For indirect wavefront detection, the stochastic parallel gradient descent algorithm is widely used and obtains a good correction effect. Figure 5 AO confocal microscope system and imaging comparison before and after AO correction >Double (multiple) photon fluorescence microscope The dual (multiple) photon fluorescence microscope is based on the nonlinear effect of dual (multiple) photon excitation. The sample is only excited in a small area near the focal point. There is no need to use a pinhole to filter out stray light in front of the detector, so only the illumination light path is needed. Perform aberration correction as shown in Figure 6. The AO method without wavefront sensor based on aperture segmentation is applied to two-photon fluorescence microscope to realize microscopic imaging of biological tissue with large field of view and large imaging depth. The direct method based on SHWS and DM is applied to the two-photon microscope to realize the direct detection and correction of aberrations in tissues such as Drosophila embryos and mouse brains. Figure 6 AO two-photon microscope system and imaging comparison before and after AO correction >Stimulated emission loss (STED) microscope The stimulated emission loss (STED) microscope suppresses the emission of effective fluorescence by introducing a loss of light in the form of stimulated emission, thereby achieving super-resolution imaging. STED's three beam paths (excitation light path, depletion light path, and emission light path) are all affected by aberrations, so adaptive correction of all light paths is necessary, as shown in Figure 7. Gould et al. and Patton et al. used the AO-STED system with two SLMs and DM and SLM correction elements to correct aberrations of different beam paths, and realized thick biological tissues (such as zebrafish retina slices, etc.) ) Three-dimensional super-resolution imaging. Figure 7 AO-STED microscope system and imaging comparison before and after AO correction Summary and outlook Large field of view, large depth, and fast high-resolution live microscopic imaging provide more accurate image information for biology. In this process, AO technology has played an important role. However, with the continuous development of related technologies, deep dynamic fluorescence imaging of biological tissues has put forward more requirements for the application of AO in fluorescence microscopy. First of all, the application of AO to the microscopic imaging system will reduce the field of view of high-resolution imaging. To address this problem, the field of microscopic imaging can be expanded by conjugated AO, multi-layer conjugated AO, and a more efficient conjugate correction algorithm. . Secondly, the wavefront distortion in biological tissue is constantly changing. To detect and correct it in real time, it is necessary to accelerate the detection speed of wavefront distortion and the correction speed of the wavefront corrector to achieve high-speed real-time AO system . Finally, the study of large field of view and high spatial and temporal resolution imaging of deep tissues is a frontier issue in the current imaging field. In the future, biomedical imaging also puts forward higher requirements for imaging depth. Therefore, it is necessary to further promote deep high resolution fluorescence with the help of AO technology. The development of microscopic imaging.

    2020 06/12

  • Multi-line laser combiner systems with 2-20 wavelengths optional from UV to IR.
    Multi-line Laser/ Multi-wavelength Laser CNI offers multi-line laser/ multi-wavelength laser combiner systems in free space and fiber output, it can combine multiple wavelengths into one box, with optioal USB or RS232 control. The wavelengths are available for UV-Visible-IR range. This multi-line lasers can be widely used for medical, biomedical, and industrial application, etc. ◆ Free Space Output Features Separate laser head and driver for easy integration 320-1064nm wide range of wavelengths available 2-4 wavelengths can be combined into one system (more wavelengths on request) Customized wavelength and output power combinations Free space or MM fiber output optional Specifications: (X stands for the number of wavelength, X= II, III, IV) Model MSX-M MSX-S MSX-N MSX-W MSX-Z Power supply PSU-M-LED RGB-31/ RGB-41 Number of combined wavelengths 2~4 (Or more on request) Output mode Free coaxially output (fiber output optional) Available Wavelength (nm) 320~1064 Output power (mW) Available for customized on request Power stability (rms, over 4 hours) <1%, <2%, <3%, <5% Operating mode CW, TTL or analog on request Operating temperature (℃) 10~35℃ Power input 100~240VAC Cooling method Air cooled Expected lifetime (hours) 10000 Warranty 1 year Options: TTL or analog modulation up to 30kHz AOM (modulation up to 1MHz) MM fiber coupling (100um, ..., 600um), SMA905/ FC connector optional USB or RS232 control Standard model: ◆405nm/ 561nm ◆473nm/ 593.5nm ◆405nm/ 473nm/ 532nm ◆640nm/ 532nm/ 405nm ◆405nm/ 589nm ◆635nm/ 532nm ◆635nm/ 532nm/ 473nm ◆655nm/ 532nm/ 473nm ◆405nm/ 593.5nm ◆655nm/ 532nm ◆637nm/ 532nm/ 447nm ◆671nm/ 532nm/ 473nm ◆473nm/ 589nm ◆ Fiber Coupling Version Single Mode Fiber Coupling Features Single mode fiber coupling with stable output Separate laser head and driver for easy integration 320-1064nm wide range of wavelengths available 2-4 wavelengths can be combined into one system (more wavelengths on request) Customized wavelength and output power combinations Customized size available Model MSII-F MSIII-F MSIV-F Power supply RGB-31/ RGB-41 Number of combined wavelengths 2~4 (Or more on request) Output mode Single mode Fiber connector FC Fiber length 1m (Other lengths are available on request) Available Wavelength (nm) 320~1064 Power stability (rms, over 4 hours) <2%, <3%, <5% Operating mode CW, TTL or analog on request Operating temperature (℃) 10~35℃ Power input 100~240VAC Cooling method Air cooled Expected lifetime (hours) 10000 Warranty 1 year Datasheet Standard model: ◆637nm/ 532nm ◆637nm/ 532nm/ 473nm ◆640nm/ 561nm/ 488nm/ 405nm ◆671nm/ 532nm/ 457nm ◆640nm/ 593.5nm/ 532nm/ 488nm ◆642nm/ 589nm/ 532nm/ 473nm ◆ Integrated Electronics: Features Built-in driver for easy operation 375-1550nm wide range of wavelengths available 2-20 wavelengths can be combined into one system Customized wavelength and output power combinations Customized size available Specifications: Channel type Single Channel Multi-Channel Model FC-MS FC-ML Customized model FC-MS-CH Available wavelength (nm) 375~1064 375~1550 Number of combined wavelengths 2~3 4~6 7~20 2~4 Fiber type SM, MM SM Fiber core diameter (μm) Customized on request 4~9 Fiber connector SMA905/ FC FC/PC Output power Customized on request Power stability (rms, over 4 hours) <3%, <5% Operating mode CW, TTL or analog on request Operating temperature(℃) 10~35 Power input 100~240VAC Cooling method Air cooled Expected lifetime (hours) 10000 Warranty 1 year Standard model: ◆405nm/ 447nm/ 532nm/ 637nm ◆405nm/ 488nm/ 532nm/ 637nm ◆ Beam Combiner ◆Red/ Green/ Blue beam combiner ◆Polarization beam splitter/ combiner

    2020 06/09

  • Marking laser for translucent button with adjustable repetition rate 1-200kHz
    AO-I-1064 infrared laser for laser marking Features Average power 1-20W with air cooled. 1~200kHz wide repetition frequency range and high marking effciency With first pulse suppression function, suitable for sensitive materials Application For various kinds of translucent button marking Surface treatment of composite materials Fine marking of metals and nonmetals Specifications Wavelength (nm) 1064±1 Work pattern Q-switched Model AO-I-1064 Average output power (W) 1-20 Single pulse energy (µJ) 1-600 Pulse width (ns) <25ns@30kHz, <35ns@50kHz, <50ns@100kHz, <75ns@200kHz Peak power (kW) ~30kW Pulse repetition rate (kHz) 1~200kHz (can be adjust by external control) Power stability (rms, over 8 hours) <1%, <3%, <5% Warm-up time (minutes) <10 Beam divergence, full angle (mrad) <1.0mrad Beam diameter at aperture (mm) ~4. 0mm Beam height from base plate (mm) 113mm Operating Temp. (℃) 15~35℃ Cooling-down method Air-cooled Laser head size 460.5(L)×103(W) ×120.4(H) mm3 Power supply (220/110VAC) PSU-AOM power supply 320(L) ×302(W) ×137 (H) mm3 Expected lifetime (hours) 20000 Warranty 1 year Pilot light 5mW @650nm Application field Silicone light transmission button: Silica gel material is sensitive to thermal effect and pulse intensity, and any minor parameter changes will have an impact on the product effect. Ao-i-1064 series laser adopts the leading technology of active Q adjustment, which can achieve fine micro-effect adjustment by adjusting the pulse width and repetition frequency, and fully control the marking effect. Plastic light transmission button: Plastic pervious to light material generally use EVA (ethylene/vinyl acetate copolymer) materials, and covered on the surface coating, AO - I - 1064 series products especially for a lot of experiment on this material, for different thickness and composition of the coating, you can find the perfect engraving parameters, be clear on clean remove table color, background, to provide customers with complete product solutions.

    2020 04/16

  • Diode laser from 375nm to 980nm is specially designed for Raman spectroscopy with narrow linewidth 0.06 nm.
    FC-D Series Laser for Raman Spectroscopy FC-D series fiber coupled laser is specially designed for Raman spectroscopy, wavelength available from 375nm to 980 nm. The spectral linewidth is optional from 0.1 nm and 0.06 nm according to customers' actual requirements. Housed in ultra compact package, it is the perfect choice for Raman spectrometer, chemical and biological research, environmental science, jewelry appraisal, forensic appraisal, food/drug safety inspection, geological exploration, systems design and integration.

    2019 12/23

  • The fifth innovation award of Nanometer optoelectronics and application, sponsored by CNI was held
    On November 2nd, 2019, the fifth innovation award of Nanometer optoelectronics and application, sponsored by CNI was held at CUST. CNI Vice Chairman Hubing Wang, director of the national nanometer manipulation and manufacturing international joint research center of the university Zuobin Wang attended the ceremony. Award-winning students Vice Chairman Hubing Wang delivered a speech at the award ceremony Senior engineer of CNI, Huidong Xiao makes an academic report on "semiconductor laser application" for teachers and students

    2019 11/21

  • The first ''CNI & Photonics Scholarship'' awarding ceremony was held
    On November 2nd, 2019, the first ''CNI & Photonics Scholarship'' awarding ceremony was held at Changchun University of Science and Technology. CNI Vice Chairman Hubing Wang, Party Secretary of the college of science Xuehong Zhang and Vice President Lanlan Gao attended the ceremony. Vice chairman Hubing Wang and the students Universtiy party secretary Xuehong Zhang delivered a speech for the award ceremony

    2019 11/12

  • Multi-channel Spectrometer
    CNI developed Rainbow series Multi-channel spectrometer with the features of wide spectral range and high resolution. With synchronous delay device to ensure synchronous acquisition between channels, the highest resolution up to 0.1nm. It is suitable for high resolution detection in wide spectal range. CNI can also customize the different channels of the spectrometers according to different customers` demands. Multi-channel optional (Can be customized) Standard Specifications Spectrometer Delay device Software Characteristic

    2019 09/11

  • Prof. Martin Booth of the Oxford University, visited CNI
    On July 19th, 2019, Prof. Martin Booth of the Oxford University, visited CNI. Professor Martin Booth read for a degree in Engineering Science at Hertford College, Oxford, from 1993-7. His doctoral work in adaptive optics for confocal microscopy took place in the Department of Engineering Science at the University of Oxford from 1997-2001, during which time he was also a member of Jesus College. He became Professor of Engineering Science and Senior Research Fellow at Jesus College in 2014. He also holds a College Lecturership at Lincoln College. His current research interests centre on the development of new dynamic optical methods for applications ranging from biomedical imaging to laser-based manufacturing. The International sales manager of CNI introduced the company's current situation, R&D team and basic products to Prof. Martin Booth and his companions. They visited the production line, aging and testing workshop of DPSS lasers, diode lasers and fiber lasers. Prof. Martin Booth highly recognized CNI strength and production scale.

    2019 09/10

  • World Of Photonics Congress
    Munich international applied laser and optoelectronic technology expo 2019 is the only professional optoelectronic expo in the world, which covers all categories of optoelectronics industry and displays the most advanced technologies, sponsored by the famous Munich international exposition group (MMG) in Germany. A variety of optoelectronic products with novel designs and leading technologies, new solutions and application technologies that keep pace with world trends will be on the stage. Thousands of optoelectronic enterprises from all over the world will gather at the new international expo center in Munich. Exhibition pictures As the representative of advanced photoelectric technology at home and abroad, changchun new industry (CNI) participated in the laser application expo. The picture of CNI's booth Changchun new industries with solid super compact UV - IR, semiconductor laser, fiber laser, laser wavelength, high-energy laser, machine vision module, spectrometer, power meter, marking the light source, Mini marking machine, application covers light gene, Raman spectroscopy, fluorescence spectroscopy, holographic, marking, and other areas of the biological, chemical, medical, industrial, shine brilliantly in the exhibition, attracted user attention in related field. For all kinds of applications, CNI provides a variety of solutions Supporting testing equipment spectrometer, power meter for your choice Group photo of exhibition staff CNI with 213-4800nm wide band coverage laser, high reliability and efficient service to win the favor and praise of the field customers, have a group photo. Group photo with customers The products exhibited by CNI in this photoelectric exhibition are an important witness of the company's continuous pursuit of product technological innovation and high-quality development, and also show the company's calm and confidence in the face of fierce competition in the global market. In the future, we will continue to provide high quality products and efficient services for the purpose of adding luster to the optical industry at home and abroad. See you in 2021!

    2019 06/30

  • CNI went to the United States to participate in CLEO exhibition
    From May 7, 2019 to May 9, 2019, the international conference on laser and optoelectronics was successfully held in the us SAN jose convention and exhibition center. Aua Zheng and Julia Feng, CNI sales manager, went to the us to participate in CLEO exhibition. This exhibition is another promotion activity of CNI for the international optical field. CNI after careful preparation, with exquisite technical standards, high-performance laser equipment once again attracted many international famous enterprises and research institutions to watch and consult. After the sales representative of the CNI laser marking machine, Raman spectrometer, laser diode, line laser and other laser equipment in detail, some buyers in the field and the person in charge of the purchase intention. CLEO covers many fields of laser and optoelectronics. Scientists, entrepreneurs and engineers from all walks of life come together. There were 250 exhibitors and about 5,000 visitors, the highest number of participants in five years and the highest number of papers submitted. We bring back not only valuable expertise, but also the actual needs of our end customers. CNI promotes and deduces new technologies and releases new products with the help of exhibitions to seek new opportunities for cooperation and face-to-face communication with customers. Based on excellent product quality and excellent service, the company has achieved good development in laser manufacturing and processing industry. We will continue to improve the company's management, strengthen quality assurance, and actively feedback customer needs.

    2019 05/09

  • CNI(Laser designers and manufacturers)23rd anniversary
    In 1996, the new industry was born in the warm arms of the President of the Chinese academy of sciences chunguang institute. From the toddler to thrive,CNI is exciting style; I enriched my spare time and constantly injected fresh blood into the new industry. 2003, CNI won the title of "national enterprise postdoctoral research station and provincial technology center". Growth on the road there are stumbling, but CNI by virtue of: good times not slack, adversity not retreat, painstaking research, continuous innovation momentum, laser as the main research and development direction of a series of sophisticated products are gradually known. CNI is "committed to being a trusted and respected company". CNI Manufacturer of high-quality DPSS Laser,Single Frequency Laser,Narrow Linewidth Laser,Line Laser,Fiber Laser,UV Laser,Laser Diode,Spectrum Analyzers. Over the years, CNI has continuously strengthened itself and adhered to the principle of "please come in and go out", striving to create better J laser products and services for customers. Can grow in the rapid development of science and technology, attention to the era, CNI is very grateful! And hard work always pays off: 2012,The sodium guided star experiment system and key technology research project jointly completed with President of the Chinese academy of sciences chun guangji successfully captured the image of sodium laser guided star. 2014,All-solid-state laser independently developed and produced by the new industry won the "excellent product award" of laser industry in 2014 with the first place. 23 years, Just a flick of a finger in the long river of history, Just a drop in the ocean, But for a business, 23 years, But all the wind and rain, The sour, sweet, bitter and spicy, It is a magnificent poem with ups and downs. So far, The new industry has 26,000 square meters of workshops for research and development and technical production. Products are exported to more than 120 countries and regions; In order to provide you with more timely and convenient services, the new industry has set up a number of offices and distributors at home and abroad: Foreign agents: The United States, Canada, Germany, France, Britain, Russia, Sweden, Italy, South Korea, Japan, Portugal, Belgium, Spain, Turkey, Lithuania, Israel, Australia and so on Domestic office: Beijing,Shanghai ,shenzhen, wuxi dalian In 23 years, because of the common ideal, the new industry has attracted talents from all walks of life. Now the new industry has strong technical force, including 8 professors (researchers), 6 doctors and more than 120 engineers. From the glorious rebirth of 1996, To a whole new blossom in 2019. New industries To win cooperation with integrity, cooperation cohesion internal force; Innovation to create change development, innovation to open up the future. Because of the goal, We work hard, seize the day! Because of the responsibility, We are going forward without hesitation! 23 years, CNI thank you, Trials and hardships, accompanied all the way! CNI is laser, spectrometer, photoelectric products manufacturers To provide you with the most complete optical system solutions Strive for perfection into perfection

    2019 04/18

  • CNI releases 213~1064nm q-switched picosecond laser, pulse width ~50ps, high repetition frequency 0.1-10mhz
    Mode-locked picosecond laser Changchun new industry(CNI) provides high beam quality and stability of mode-locked pulse laser, pulse width less than 20ps, compact body structure and high quality performance, suitable for OEM equipment assembly and integration, as well as end-user applications for research projects.The main application areas are raman spectroscopy, material processing, scientific research,Optical instruments, marking, engraving, astronomy. PS - R series Product specification: 111Picosecond laser characteristics:Sample laser,SN 0016A10R-01 11111111111111111111RMS power stability 1.81% (4 hours) 111111111 11111111111111111111111111M² factor 1.15 111111Repetition frequency 48.2281 MHz11111111111111111 Pulse width 13.11ps 1111111111111111111111111Beam outline (TEM00)

    2019 04/04

  • CNI upgraded Raman probe series
    RPB-360 Raman probe ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Technical parameters Designation RPB-360 Raman probe Size 111*38*14.8mm and the top of the probe is 38mm Material Probe material 2A12, dyed black; The top of the probe is made of stainless steel Optical fiber Two permanently arranged single-core optical fibers (100um excitation optical fiber, 200um standard collector optical fiber), N.A.=0.22, PVC sheath/metal sheath. Fiber length: 1m Coupling system SMA905 connector Raman frequency shift 456cm-1-9921cm-1 Focal length 7.5mm Operating temperature 0-40℃ ____________________________________________________________________________________________________________________________ RPB-405 Raman probe ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Technical parameters Designation RPB-405 Raman probe Size 111*38*14.8mm and the top of the probe is 38mm Material Probe material 2A12, dyed black; The top of the probe is made of stainless steel Optical fiber Two permanently arranged single-core optical fibers (100um excitation optical fiber, 200um standar collector optical fiber), N.A.=0.22, PVC sheath/metal sheath. Fiber length: 1m Coupling system SMA905 connector Raman frequency shift 300-4700cm-1 Focal length 7.5mm Operating temperature 0-40℃ ____________________________________________________________________________________________________________________________ RPB-532 Raman probe ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Technical parameters Designation RPB-532A Raman probe RPB-532B Raman probe Size 111*38*14.8mm and the top of the probe is 38mm Material Probe material 2A12, dyed black; The top of the probe is made of stainless steel Optical fiber wo permanently arranged single-core optical fibers (100um excitation optical fiber, 200um standar collector optical fiber), N.A.=0.22, PVC sheath/metal sheath. Fiber length: 1m Coupling system SMA905 connector Raman frequency shift 150-4500cm-1 400-4500cm-1 Focal length 7.5mm Operating temperature 0-40℃ Spectra-Measured-By-RPB-532 ____________________________________________________________________________________________________________________________ RPB-633 Raman probe ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Technical parameters Designation RPB-633 Raman probe Size 111*38*14.8mm and the top of the probe is 38mm Material Probe material 2A12, dyed black; The top of the probe is made of stainless steel Optical fiber Two permanently arranged single-core optical fibers (100um excitation optical fiber, 200um standar collector optical fiber), N.A.=0.22, PVC sheath/metal sheath. Fiber length: 1m Coupling system SMA905 connecto Raman frequency shift 200-4000cm-1 Focal length 7.5mm Operating temperature 0-40℃ Spectra-Measured-By-RPB-633 ____________________________________________________________________________________________________________________________ RPB-785 Raman probe ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Technical parameters Designation RPB-785 Raman probe Size 111*38*14.8mm and the top of the probe is 38mm Material Probe material 2A12, dyed black; The top of the probe is made of stainless steel Optical fiber Two permanently arranged single-core optical fibers (100um excitation optical fiber, 200um standar collector optical fiber), N.A.=0.22, PVC sheath/metal sheath. Fiber length: 1m Coupling system SMA905 connecto Raman frequency shift 175-4000cm-1 Focal length 7.5mm Operating temperature 0-40℃ Spectra-Measured-By-RPB-785 ____________________________________________________________________________________________________________________________ RPB-830 Raman probe ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Technical parameters Designation RPB-633 Raman probe Size 111*38*14.8mm and the top of the probe is 38mm Material Probe material 2A12, dyed black; The top of the probe is made of stainless steel Optical fiber Two permanently arranged single-core optical fibers (100um excitation optical fiber, 200um standar collector optical fiber), N.A.=0.22, PVC sheath/metal sheath. Fiber length: 1m Coupling system SMA905 connecto Raman frequency shift 300-2048cm-1 Focal length 7.5mm Operating temperature 0-40℃ ____________________________________________________________________________________________________________________________ RPB-1064 Raman probe ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Technical parameters Designation RPB-1064 Raman probe Size 111*38*14.8mm and the top of the probe is 38mm Material Probe material 2A12, dyed black; The top of the probe is made of stainless steel Optical fiber Two permanently arranged single-core optical fibers (100um excitation optical fiber, 200um standar collector optical fiber), N.A.=0.22, PVC sheath/metal sheath. Fiber length: 1m Coupling system SMA905 connecto Raman frequency shift Stokes: 390-2731cm-1 Anti-Stokes: -1127.82 ~ -348.09cm-1 Focal length 7.5mm Operating temperature 0-40℃ Spectra-Measured-By-RPB-1064 ____________________________________________________________________________________________________________________________ FPB-808 Raman probe__ ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Technical parameters Designation FPB-808 Raman probe Size 111*38*14.8mm and the top of the probe is 38mm Material Probe material 2A12, dyed black; The top of the probe is made of stainless steel Optical fiber Two permanently arranged single-core optical fibers (100um excitation optical fiber, 200um standar collector optical fiber), N.A.=0.22, PVC sheath/metal sheath. Fiber length: 1m Coupling system SMA905 connecto Raman frequency shift 365-720nm Focal length 7.5mm Operating temperature 0-40℃ Spectra-Measured-By-FPB-808 ____________________________________________________________________________________________________________________________ FPB-980 Raman probe ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Technical parameters Designation FPB-980 Raman Probe Size 111*38*14.8mm and the top of the probe is 38mm Material Probe material 2A12, dyed black; The top of the probe is made of stainless steel Optical fiber Two permanently arranged single-core optical fibers (100um excitation optical fiber, 200um standar collector optical fiber), N.A.=0.22, PVC sheath/metal sheath. Fiber length: 1m Coupling system SMA905 connecto Raman frequency shift 300-840nm Focal length 7.5mm Operating temperature 0-40℃ Spectra-Measured-By-FPB-980 ____________________________________________________________________________________________________________________________

    2019 01/30

  • CNI released High energy 532 nm laser with good beam profile M2<1.5, 500uJ@ 7kHz @<5ns.
    High Energy Laser High energy laser includes lamp pumped (LPS series) and diode pumped (DPS series) lasers. It is widely used in medical, scientific research, material processing and industrial applications. Available with 266 nm, 355 nm, 532 nm, 1064 nm, 1573 nm,etc... The single pulsed energy of 532 nm green laser can be up to 450 mJ and the energy of 1064 nm infrared laser can be up to 20 J. Applications: Remote Sensing PIV, LIBS Marking & Engraving Laser Repairing Laser Pump Source Materials Processing Specifications: Wavelength (nm) Model Single pulse energy (mJ) Rep. rate (Hz) Pulse duratio n(ns) 266 DPS-266-Q 2-5 1-100 <10 355 DPS-355-E 1-2 1-50 <4 DPS-355-Q 2-10 10-100 <10 LPS-355-S 20-80 1-10 <10 LPS-355-L 80-200 1-10 <10 532 EO-532-H M²<1.5 0.1-0.5 2-7 k <5 DPS-532-H M²<1.5 1-10 1-1000 <4 DPS-532-E Narrow pulse width 1.5-4 1-50 <4 DPS-532-A 1-5 1-10 <10 DPS-532-B 5-15 1-10 <10 DPS-532-C 5-15 10-40 ~10 DPS-532-BS-D 15-50 1-20 <10 DPS-532-Q High rep.rate 2-20 1-1000 <10 DPS-532-J 1-20 1-20 ~10 LPS-532-A 30-100 1-10 ~10 LPS-532-S 30-150 1-20 ~10 LPS-532-L 200-450 1-10 ~10 1064 EO-1064-H M²<1.5 0.5-1 2-7 k <6 DPS-1064-H M²<1.5 1-30 1-1000 <4 DPS-1064-D 0.5-2 1-100 <10 DPS-1064-E Narrow pulse width 3-10 1-50 <4 DPS-1064-A 1-10 1-10 ~10 DPS-1064-Mini 1-20 0-2 <10 DPS-1064-B 10-30 1-10 <10 DPS-1064-BS 30-80 1-10 ~10 DPS-1064-BS-D 30-100 1-20 <10 DPS-1064-C 10-30 10-40 ~10 DPS-1064-Q High rep.rate 5-40 1000 ~10 DPS-1064-J Harsh condition 1-40 1-20 ~10 LPS-1064-A Water to air cooled 50-200 1-10 ~10 LPS-1064-S 50-300 1-10 ~10 LPS-1064-L 350-1000 1-10 ~10 LPS-1064-M Long pulse 1 J-10 J 1-20 0.1-20 ms 1573 DPS-1573-A 2 1-10 ~10 DPS-1573-Q 5-8 1-20 ~10 2940 LPS-2940-S 100-300 1-5 0.9ms Measurement Data: Sample laser SN 15051493, energy 10.5J Sample laser SN 15071401, pulse duration 10.5ns

    2018 11/12

  • 266 nm ps fiber laser with pulse width 100 ps & rep. rate variable, and mode locked one with pulse width<10ps.
    Fiber Laser Series CNI offers fiber lasers with compact OEM modular design which is ideal for systems integration. They are widely used in communication, radar, medical cosmetology, optical instrument, interference, holography, spectrum analysis, pump source, measurement, physics experiment, etc. The 1550 nm fiber laser is in single longitudinal and polarized mode. The pulsed mode up to 1 MHz modulation and pulse duration variation are also available. Measurement Data: Beam profile of FL-1080-CW Power stability 0.151% of FL-1550-SF Pulse width testing 69.4 ps

    2018 08/17

  • DOE lasers for machine vision, beam patterns in multi-line/ring, grid, cross, etc.
    Diffraction Patterns A Diffractive Optical Element (DOE) utilizes a surface with a complex microstructure for various optical patterns. CNI offer laser modules with such patterns, the beams' shape can be controlled and changed flesibly according to customers' requirement. This series lasers are widely used for machine vision and photoelectric detection, such as bar code scanners, 3D sensors and viewfinders,and also well suited to serve many other applications ◆Diffraction Pattern Options

    2018 08/09

  • CNI attend the 16th Seoul nanokorea nanotechnology exhibition held from July 11 to 13, 2018
    CNI attend the Laser Korea 2018 held in Korea gaoyang international convention and exhibition center, with 90 booths and 60 exhibitors in total. (show a total of 600 booths at the same period, and at the same time the exhibition includes technology innovation (university, research institute), nano material, nano manufacturing, intelligent sensor, advanced ceramics, etc.) laser show is an international conference, South Korea, has a cutting-edge laser technology, all kinds of laser, laser processing equipment, laser technology and equipment for medical use, optical analysis measurement equipment, etc. There are many industrial and university customers to visit. My unit has two employees to participate in this exhibition, a total of 60 companies booth, effective inquiry received 40 or so, clinch a deal amount is 300000, potential orders for 2.5 million yuan. There are several potential industrial volume customers, we are confident to cooperate successfully, the sales volume can increase by 3 million to 4 million per year. There are many participants in the Korean laser exhibition, and the exhibition has a good effect. There are many potential industrial and medical cosmetology clients, and we will continue to participate in it next year.

    2018 07/16

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