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Silicon Carbide

Name: Silicon Carbide
Brand: ECOPTIK INDUSTRIAL PTE.LTD.

Reflectors used in space astronomical telescopes and satellite remote sensors. Silicon carbide material utilizes its high stiffness, lightweight (can be used as a honeycomb lightweight structure), low thermal expansion, and high thermal conductivity to ensure stable shape and surface accuracy of optical systems in extreme space environments. This is an advantage that optical class monocrystalline silicon cannot match. It is also used as a laser mirror in high-energy laser systems due to its high thermal conductivity and strong resistance to thermal damage.

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Features of Silicon Carbide

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.

Advantages of Silicon Carbide:

1. Extremely high hardness

2. High thermal conductivity, high melting point

3. Low thermal expansion coefficient

4. Corrosion and oxidation resistance

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