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Silicon lens element
infraredoptical

silicon lens element
silicon lens element
silicon lens element
silicon lens element
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Characteristics

Material
silicon
Optical characteristics
infrared
Applications
optical

Description

Monocrystalline silicon is an infrared optical material with excellent comprehensive cost performance. Optical grade Czochralski silicon (OCZ-Si) as a transmission grade material is widely used in the mid-infrared (3-5um) band, and the infrared transmittance exceeds 50%. Zone-melted monocrystalline silicon can be used in a wider band (1-14um), and high-purity zone-melted monocrystalline silicon (HPFZ-Si) can even be used in the far-infrared band (greater than 30um). The choice of silicon type depends on the wavelength range, component thickness and specific application. Silicon (Si) Descriptions Single crystal silicon is a chemically inert material with high hardness and insoluble in water. It has good light transmission performance in the 1.2-7μm band, and it also has good light transmission in the far infrared band 300-300μm. Performance, which is a feature that other optical and infrared materials do not have. Silicon (Si) single crystals are usually used in the substrate of 3-5μm mid-wave infrared optical windows and optical filters. Because of the material's good thermal conductivity and low density, It is also a common material for making laser mirrors. The density of monocrystalline silicon is 2.316g/cm³, and the Knoop hardness is 1150, which is harder and less fragile than germanium.

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