26/7.2018
Zinc selenide materials are used to make all kinds of convex and convex lenses, convex and concave crescent cutting lenses, gold-plated reflectors, circularly polarized mirrors, expanding beam lenses, plane-field lenses, medium-infrared lenses, far-infrared 10.6Um/CO2 power lasers, etc.
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Zinc sulfide, white to pale white or light yellow powder, see dark light color, stable in dry air, long time in wet air or containing water, gradually oxidized to zinc sulfate, soluble in dilute inorganic acid, soluble in alkali, insoluble in water;Relative density 3.98(type), (d25)4.102(type), irritant.
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The main difference between the infrared optical system and the visible optical system is that only a limited number of materials can be effectively applied to the mid-wave infrared and long-wave infrared bands, and even fewer materials can be applied to the two bands at the same time....26/7.2018
Zinc selenide has low absorbability to infrared wavelength and can transmit visible light. It is the first choice for making infrared lens, window, output coupling mirror and expanding beam mirror. In high-power applicat...26/7.2018
The stress size of optical materials is one of the seven indicators to evaluate the quality of optical materials (refractive index, dispersion, index consistency, optical absorption coefficient, optical uniformity, stres...