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11 Nov’2025

The development of optical glass

The development of optical glass and that of optical instruments are inseparable. New reforms in optical systems often put forward new requirements for optical glass, thus promoting its development. Similarly, the successful trial production of new types of glass often, in turn, promotes the development of optical inst...
14 Oct’2025

Quality requirements for optical glass

The difference between optical glass and other types of glass lies in that as a component of the optical system, it must meet the requirements of optical imaging. Therefore, the determination of optical glass quality also includes certain special and more strict indicators. The following requirements are imposed on opt...
23 Sep’2025

An introduction on how to select infrared optical glass lenses

The visible light band ranges from 400 to 700 nanometers, which are the colors that the human eye can distinguish. The infrared glass in Xiamen is 532nm for green and 633nm for red, with a difference of 100nm between the two. Lenses used within this range have very high requirements for the peak value of the coating ce...

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