CSOPT -China Star Optics shines at the 2025 Changchun Optics Expo

Classification： Resources

Release time： 2025-06-27

Outline：

Changchun, June 10–13, 2025 – CSOPT, the logo of China Star Optics, a leading domestic manufacturer of precision optical lenses, recently made a grand appearance at the 2025 Changchun International Optoelectronic Expo (hereinafter "Changchun Optoelectronic Expo"). Held at the Changchun Northeast Asia International Expo Center under the theme "Optoelectronics Leading the Future of New Quality Productivity," this year’s exhibition featured 186 industry-leading enterprises, including 14 Fortune Global 500 companies, 20 China 500 enterprises, and 51 listed companies—all surpassing previous editions. Notably, nearly 30 foreign industry leaders such as Carl Zeiss, Ocean Optics, and Alluxa participated, expanding the Expo’s global influence and elevating its international profile.  

China Star Optics was located in Hall A2, dedicated to core optical technologies. The company highlighted three key industrial domains: "Optical Components & Manufacturing," "Laser Infrared & Coating Technology," and "Ultra-Precision Micro-Lens Processing." Sharing the stage with global leaders like Carl Zeiss, Ocean Optics, Fuguang Co.,ltd. and Optowide,China Star Optics showcased its extensive technical expertise and uncompromising commitment to quality through a series of high-precision optical lenses for advanced instrumentation, laser systems, and emerging applications.  

 

At the Expo, China Star Optics exhibited products for laser technology and infrared lens coating, demonstrating core strengths in material selection, precision machining, surface figuring, and rigorous coating processes. These offerings drew significant attention from professional attendees, research institutions, and potential partners.  

 

China Star Optics specializes in coating technology for infrared substrates, including:  

- Chalcogenide glass (for mid-long-wave infrared thermal imaging lenses)  

- Single-crystal germanium 

- Sapphire glass (for high-temperature protective windows)  

Key technological achievements featured:  

- Broadband customization (1–12 μm):  

  - Anti-reflection (AR) coating peak transmittance: >99.5%

  - High-reflection (HR) coating reflectivity: >99.8% 

  - Beamsplitter coating accuracy: ±0.5%  

- Laser-induced damage threshold (LIDT):  

  - >5 J/cm² @ 1064 nm  

  - >20 kW/cm² @ 10.6 μm  

 

The 2025 Changchun Optoelectronic Expo provided China Star Optics an exceptional global platform to demonstrate its brand, exchange technologies, and forge strategic partnerships. Building on this momentum, CSOPT will continue to focus on core precision optical technologies, looking forward to seeing you again at the next exhibition.

 

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