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Optoelectronic Innovation: The Changchun Institute of Optics, Fine Mechanics and Physics of the Chinese Academy of Sciences makes a grand appearance at the 2025 Munich Shanghai Optical Expo.

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The 2025 Munich Shanghai Optical Expo will be held from March 11 to 13, 2025, at the Shanghai New International Expo Center. The Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences (hereinafter referred to as "Changchun Institute of Optics") will make a grand appearance at this year's Shanghai Optical Expo in the form of "exhibition of major scientific research achievements of the institute + exhibition of high-end products from Changguang enterprises" using the "1+M+N" approach, showcasing the comprehensive strength of national research institutions and the vigorous vitality of the Changguang industry at a high level.

Our institute brings the GODAS general optical series software, high-performance large-area diffraction gratings, high-performance VCSEL lasers, Chang'e 7 - Qiao Qiao 2 relay satellite - extreme ultraviolet camera, commercial aerospace cameras, seven-channel portable multispectral fusion spectrometer, all-weather star sensor, full-spectrum optical parameter comprehensive testing system, portable external swing scanning hyperspectral imager, heavy-load precision parallel platform and other technological achievements, along with the Light brand journal cluster. Changchun Changguang Precision Instrument Group Co., Ltd. is exhibiting collectively at booth 5336 in Hall E5 with 11 high-quality Changguang enterprises, including numerous core products such as "0.5-meter resolution aerospace remote sensing instruments, DQ-MRF series machine tool-type magnetorheological devices, space optical coating products, all-solid-state ultraviolet lasers, ultra-high flux microscope objectives, metal grating angular displacement sensors, silicon carbide ceramic composites, infrared thermal search/gun sight modules, precision castings of lost foam gypsum models, surface-emitting lasers, high-resolution deep-cooled sCMOS cameras," and more. We warmly welcome leaders and guests to visit our booth for guidance.

(1)GODAS General Optical Series Software

The Changchun Institute of Optics has independently developed the GODAS general optical series software, breaking through key technologies such as large-scale tracking of complex systems and high-precision optimization of multiple parameters. It has completed the entire process of design and analysis for optical system development, including imaging optical design analysis, stray radiation analysis, and optical joint simulation, achieving coordinated development of optical design theory, simulation methods, and software development.

(2) High-Performance Large-Area Diffraction Gratings

The Changchun Institute of Optics and Fine Mechanics of the Chinese Academy of Sciences now has the capability to produce mid-step gratings with a maximum area of 400mm×500mm and holographic gratings measuring 650mm×1700mm. The high-performance gratings developed have been applied in payloads such as the "Tianwen-1" Mars surface material composition analyzer, the "Fengyun-3" solar irradiance detector, and the "Xihe" Hα space solar telescope, as well as in scientific devices and manufacturing equipment like large-caliber ground-based astronomical telescopes. They have also been widely used in high-performance analytical testing instruments such as atomic spectrometers, molecular spectrometers, and biochemical analyzers through mass production.

(3) High-Performance VCSEL Lasers

The Changchun Institute of Optics has conducted research on high-power laser chips and beam combining, high peak power VCSEL chips, and high-speed VCSEL chips, creating three world firsts in the field of high-power semiconductor laser chips. It has successively won one second prize for national scientific and technological progress and one second prize for national technological invention, undertaking more than 60 national major projects in the past five years.

(4) Chang'e 7 - Qiao Qiao 2 Relay Satellite - Extreme Ultraviolet Camera

Based on the development foundation of the Chang'e 3 extreme ultraviolet camera, it employs key technologies such as self-developed curved photosensitive surface single-photon counting array detection and preparation of narrow-band multilayer film systems in the extreme ultraviolet band. It features dual-band, large field of view, and high-sensitivity imaging detection. Launched on March 20, 2024, with the Qiao Qiao 2 relay communication satellite, it achieves global imaging of the Earth's magnetosheath and magnetosphere O+ at dual bands of 30.4nm and 83.4nm, revealing the three-dimensional morphological structure of bow shocks and the magnetosphere top, while obtaining panoramic images of O+ outflow. This has significant implications for research on how solar activity affects the Earth's space environment and understanding the interactions between the Earth's magnetic field, ionosphere, and plasma layer.

(5) Commercial Aerospace Cameras

The commercial aerospace sector is entering a "golden age," and the Changchun Institute of Optics is actively promoting the development of commercial remote sensing payload technology in China. The products cover lightweight high-resolution push-broom and video cameras, sub-meter wide-area cameras, 32-channel hyperspectral cameras, visible-infrared integrated cameras, and high-resolution mid-wave infrared cameras.

On April 15, 2024, the sub-meter wide-area camera was successfully launched, achieving a width of 130km at an altitude of 500km, with a full-color resolution of 0.7m and a multispectral resolution of 2.8m across 8 spectral bands. It possesses high resolution, wide coverage, and multispectral imaging capabilities, playing a significant role in fields such as remote sensing, map production, crop yield estimation, and urban planning.

(6) Seven-Channel Portable Multispectral Fusion Spectrometer

The Changchun Institute of Optics has successfully developed a miniaturized, in-situ Raman spectroscopy (Raman), in-situ laser-induced breakdown spectroscopy (LIBS), and in-situ fluorescence spectroscopy (LIF) combined detection spectrometer (Raman_LIBS_LIF) by integrating mid-step gratings with cross-dispersion technology and artificial intelligence algorithms. In July 2024, the seven-channel portable multispectral fusion spectrometer successfully completed sea trials mounted on a manned submersible, successfully obtaining three spectral data from the cold spring hydrothermal area, marking the successful development of China's first miniaturized in-situ multispectral fusion spectrometer. This not only promotes the research and application of deep-sea in-situ spectroscopic instruments but also lays an important foundation for subsequent marine equipment development.

(7) All-Weather Star Sensor

For application platforms below 40km in the near-space atmosphere, under daytime conditions, the strong background radiation from the sky can easily obscure star point targets, causing traditional star sensors to fail to operate normally. The research team has conducted research on all-weather star sensor technology and successfully developed an 80mm aperture prototype. This prototype has a star detection capability better than 8.4 magnitude under conditions where the light background brightness does not exceed 1.1W/㎡/sr, horizontal visibility is not less than 20km, the solar altitude angle is not less than 10°, and the angle between the observation direction and the sun is not less than 45°. It possesses all-weather star measurement and optical astronomical navigation capabilities, and is expected to be widely used in aircraft, drones, near-space vehicles, ships, and vehicle-mounted measurement platforms.

(8) Full-Spectrum Optical Parameter Comprehensive Testing System 统

The Quality Inspection Center of Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences (National Optical Mechanical Quality Inspection and Testing Center) has independently developed a comprehensive testing system for full-spectrum optical parameters, capable of high-precision testing of parameters such as MTF, focal length, and distortion. The repeatability of MTF testing is better than ±0.02, and the technical indicators are comparable to internationally renowned products. It has advantages such as independent control, high testing efficiency, support for customization, and convenient maintenance. It has won multiple honors, including the Invention and Entrepreneurship Award from the Chinese Association of Inventions. Currently, the equipment has been successfully applied in major military industrial groups and leading enterprises in the optical industry, with good operational status.

(9) Portable External Scanning Hyperspectral Imager

This device adopts independently developed hyperspectral imaging technology based on slit-prism-grating-prism, working in a push-broom imaging mode, fully utilizing the technical advantages of volume holographic gratings. It features high hyperspectral resolution, high efficiency, good spectral linearity, and minimal spectral line curvature, while also being user-friendly, compact, and lightweight. The main performance indicators reach the leading level of similar international products, meeting the deep perception needs in applications such as education and research, smart agriculture, ecological protection, intelligent manufacturing, and industrial inspection. It is the core spectral module for monitoring traditional Chinese medicine materials.

(10) Heavy-duty Precision Parallel Platform

Focusing on the fields of ultra-large aperture optics and semiconductors, the research team has developed high-precision parallel adjustment mechanism technology, exploring a design, processing, and assembly process for high-stiffness biased Hooke hinges, and formulating a multi-kinematic parameter iterative control strategy for biased hinges, successfully solving the challenges of multi-parameter multi-dimensional high-precision pose measurement and kinematic parameter calibration compensation.

Based on this technology, the team has developed various parallel adjustment mechanism products with different load capacities and motion strokes. This mechanism can achieve dynamic motion trajectory tracking and different pose switching, suitable for vacuum and cold dark environments. The position accuracy can reach ±0.5 microns/±0.5 arc seconds, with a resolution of 0.5 microns/0.5 arc seconds, reaching a leading level in China.

【Light Academic Publishing Center】

The Light Academic Publishing Center manages 9 academic journals independently. The Light brand journal cluster includes 40 academic journals, including but not limited to: Light: Science & Applications (twice a leading journal in the Chinese Science and Technology Journal Excellence Action Plan, with the latest impact factor of 20.6, ranking among the top in international optical journals for 11 consecutive years, indexed by SCI, EI, Scopus, DOAJ, PubMed), eLight (twice selected in the Chinese Science and Technology Journal Excellence Action Plan, with the first impact factor of 27.2, ranking second among international optical journals, indexed by SCI, EI, Scopus), Light: Advanced Manufacturing (selected in the Chinese Science and Technology Journal Excellence Action Plan, indexed by ESCI, Scopus, DOAJ), Light: Nature & Health (selected in the Chinese Science and Technology Journal Excellence Action Plan), eGastroenterology (selected in the Chinese Science and Technology Journal Excellence Action Plan, indexed by Scopus, PubMed, DOAJ), "Optical Precision Engineering" (selected in the Chinese Science and Technology Journal Excellence Action Plan, indexed by EI, Scopus, core in Chinese), "Chinese Optics (Chinese and English)" (indexed by EI, ESCI, Scopus, core in Chinese), "Journal of Luminescence" (indexed by EI, Scopus, core in Chinese), "Liquid Crystal and Display" (indexed by ESCI, Scopus, core in Chinese).

【Changguang Enterprise High-end Product Display】

(1)0.5-meter resolution aerospace remote sensor

It has high-resolution push-broom imaging capability, able to obtain panchromatic images with a resolution better than 0.5m@500km and a swath width of no less than 9.9km@500km; it has multispectral imaging capability, able to obtain multispectral images with a resolution better than 2m@500km, RGB + near-infrared, and a swath width of no less than 9.9km@500km; continuous working time for a single orbit is no less than 10 minutes; it has area array video imaging capabilities; it has area array calibration imaging capabilities.

Applications:Ground surveying, target reconnaissance.

(2)DQ-MRF series machine tool-type magnetorheological equipment

This equipment has various processing trajectories and can complete flexible polishing of high-precision ultra-smooth optical components of different surfaces, shapes, and apertures. It can achieve the construction of a production line for batch processing of medium and small aperture aspheric components, with integrated design for reconnaissance and strike. Its processing efficiency is extremely high, especially suitable for efficient processing of medium and small aperture conventional aspheric and other complex surfaces.

Applications:It can be used for processing high-precision optical components in aerospace, ultra-smooth optical components and phase plates in high-energy laser systems, and complex surface optical components in new optical systems.

(3)Spatial Optical CoatingProducts

Include high-precision multispectral filters, high-precision optical mirrors, large-aperture mirrors, high-precision interference filters, high-performance optical laser filters, high-precision ultraviolet filters, high-precision bandpass filters, high-precision laser filters, biomedical filters, and instrument-specific filters, etc. The successful development of spatial spectral filters has solved the problem of dependence on imports for core spectral components in the domestic high-end equipment manufacturing field, with a domestic market share of over 80% for multispectral filters, leading in China.

Applications:Aerospace, national defense, ecological protection, food safety, precision agriculture, biomedical, high-end semiconductor manufacturing, and industrial fields.

(4)All-solid-state ultraviolet laser

Includes continuous ultraviolet lasers, nanosecond/picosecond/femtosecond pulsed ultraviolet lasers, using advanced solid laser technology and nonlinear frequency conversion technology, with advantages of high energy output, good beam quality, and long lifespan.

Applications:Atomic/analytical spectroscopy research, chemical dynamics research, materials science research, ophthalmic medical treatment, skin treatment, wafer dicing, photolithography, semiconductor testing, etc.

(5)Ultra-high throughput microscope objectives

Based on the application needs of the National Gene Bank and relying on second-generation high-throughput sequencing technology, the research and development team has overcome the design and manufacturing technology of cost-effective, compact, high-throughput, immersion microscope objectives in the field of gene sequencing over two years. The independently developed microscope objectives have reduced weight and volume to 10% compared to similar foreign lenses, increased the field of view by 1.2 times, while significantly reducing system costs, achieving internationally leading comprehensive indicators, and are key technologies to effectively solve the constraints on the independent development of high-end gene sequencing equipment in China!

Applications:Gene sequencing, core technologies can also be extended to various high-end application fields such as semiconductor online testing, small and medium-sized photolithography equipment, laser direct writing equipment, blood cell detectors, and brain science imaging equipment.

(6)Metal Grating Angle Displacement Sensor

Using advanced optoelectronic technology, the complex optical, mechanical, and electrical hardware manufacturing technology is transformed into high-precision angle sensing measurement achieved by image processing software technology. This successfully solves key technologies such as metal grating engraving, dedicated CMOS image sensors, high-precision encoding resolution, and high-speed signal processing, completing a major technological breakthrough and filling a domestic gap. The product features high precision, high repeatability, as well as excellent performance with a small size, light weight, large hollow shaft, and low moment of inertia.

Applications:Widely used in aerospace, radar, semiconductor, high-end CNC machine tools, precision measuring instruments, robotics, automation, and other fields.

(7)Silicon Carbide Ceramic Composite Material

Using a combination of gel injection molding and densification reaction sintering technology to manufacture silicon carbide precision ceramics, it has characteristics such as high stiffness, good thermal stability, and excellent optical processing performance, making it one of the best mirror materials for optical systems. The product is not only widely used in various advanced optical systems but also has good application prospects in semiconductor manufacturing, precision instruments, high-speed rail transportation, and new energy vehicles.

Applications:Aerospace, ground-based optoelectronics, and semiconductors.

(8)Infrared Thermal Search/Gun Sight Module

The infrared thermal search/gun sight module consists of a core FPGA chip and related interface circuits. This product is based on the company's self-developed image processing algorithm, capable of achieving high-quality infrared imaging and display output functions. It has multiple interfaces for connection and data exchange with different devices, while its compact design and stable performance make it suitable for various application scenarios.

Applications:Outdoor thermal search, infrared imager, infrared thermal imaging gun sight.

(9)Lost Wax Gypsum Precision Castings

It is capable of casting thin-walled complex shapes with high dimensional accuracy, surface finish, and mechanical properties. The roughness level of the castings can reach Ra1.6~3.2μm, and the dimensional accuracy can achieve (±0.05~±0.1) mm. It can produce extremely complex integral castings with intricate internal structures, as well as thin-walled and large-volume castings, with wall thicknesses reaching up to 1mm (locally up to 0.5mm), and dimensions of up to 1200mm×800mm×600mm, achieving a dimensional accuracy of CT4~5 level, and X-ray transparency of thin-walled parts reaching level 1. At present, among all casting processes that comply with aerospace specifications, only this casting process can directly produce wall thicknesses less than 2mm.

Applications:Aerospace, aviation, weaponry, automotive, rail transportation, engineering machinery, medical devices, etc.

(10)Surface Emitting Laser

High-performance surface emitting laser, capable of achieving high-temperature single-mode output, featuring ultra-low energy consumption, high beam quality, and narrow laser line width, with key indicators at the industry-leading level.

Applications:Quantum precision measurement, gas detection, and other fields.

(11)OR-6060BSI High-Resolution Deep Cooling sCMOS Camera

Developed based on a 6144×6144 resolution sCMOS image sensor, using a permanent vacuum packaging process to achieve deep cooling, obtaining high sensitivity and high-resolution quality images. Test results show readout noise: 3.2e-, dark current: 0.08e-/s/pix@-15°C, cooling temperature difference: below 45°C from ambient temperature.

Applications:Astronomical observation, space remote sensing, life sciences, machine vision, industrial measurement, and other fields.