Optical glass is glass that can change the direction of propagation of light and can change the relative spectral distribution of ultraviolet, visible or infrared light. Optical glass in a narrow sense refers to colorless optical glass; optical glass in a broad sense also includes tinted optical glass, laser glass, UVC ultraviolet quartz glass, radiation-resistant glass, ultraviolet-infrared optical glass, fiber optical glass, acousto-optic glass, magneto-optic glass and photochromic glass. Yutai optical glass can be used to manufacture lenses, prisms, mirrors and windows in optical instruments. Components made of optical glass are key elements in optical instruments. Optical glass is divided into two categories: colored optical glass and colorless optical glass. Colored optical glass is divided into phosphate glass, silicate glass. The use of selenium-cadmium coloring, ion-colored neutral (dark) glass ion-colored selective absorption glass.

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