Reflective Silicon

Reflective silicon crystals have advantages such as high refractive index, high thermal conductivity, and low thermal expansion coefficient, making them suitable for manufacturing high-precision and high stability optical devices and instruments. Usually, monocrystalline or polycrystalline silicon is used as the reflective material. Monocrystalline silicon has higher optical properties and thermal stability, while polycrystalline silicon has higher mechanical strength and chemical stability. Reflective silicon optical technology can be used to manufacture various optical devices and instruments, such as mirrors, reflective lenses, reflective prisms, reflectors, etc. It can process shapes such as circular, rectangular, perforated, crescent, wedge-shaped, flat convex, flat concave, double convex, double concave, open ball, and prismatic.

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	Dia(mm)	ThK(mm)	Structure	Orientation
	Screen Reset 3-300	Screen Reset 0.5-60	Screen Reset Monocrystalline	Screen Reset <100> <110> <111>
More+ Less	3-300	0.5-60	Monocrystalline	<100>
Mirror silicon，3-300mm，Monocrystalline<100> Number：SiC003 Dia(mm)：3-300 ThK(mm)：0.5-60 Structure：Monocrystalline Orientation：<100> Shape：Customizable Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Material：Silicon (Si) Transmission Range：1-10μm Density(g/cm³)：2.33 REACH：Compliant ROHS：Compliant
More+ Less	3-300	0.5-60	Monocrystalline	<110>
Mirror silicon，3-300mm，Monocrystalline<110> Number：SiC002 Dia(mm)：3-300 ThK(mm)：0.5-60 Structure：Monocrystalline Orientation：<110> Shape：Customizable Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Material：Silicon (Si) Transmission Range：1-10μm Density(g/cm³)：2.33 REACH：Compliant ROHS：Compliant
More+ Less	3-300	0.5-60	Monocrystalline	<111>
Mirror silicon，3-300mm，Monocrystalline<111> Number：SiC001 Dia(mm)：3-300 ThK(mm)：0.5-60 Structure：Monocrystalline Orientation：<111> Shape：Customizable Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Material：Silicon (Si) Transmission Range：1-10μm Density(g/cm³)：2.33 REACH：Compliant ROHS：Compliant

Material Data
Optical Properties
Transmission Range	1.2-15μm
Refractive Index	3.41776%@10μm
Reflection Loss	46.1%@10μm
Structure	Single crystal,synthetic
Cleavage Planes	<111>
Physical Properties
Density [g/cm3]	2.33
Melting Point [℃]	1414
Thermal Conductivity [W/(m×K)]	163 @ 313K
Thermal Expansion [10-6/K]	2.6 @ 293K
Knoop Hardness [kg/mm2]	1100
Specific Heat Capacity [J/(kg×K)]	712.8
Dielectric Constant	13 @f= 9.37GHz
Young's Modulus (E) [GPa]	130.91
Shear Modulus(G) [GPa]	79.92
Bulk Modulus(K) [GPa]	101.97
Poisson Coefficient	0.266
Chemical Properties
Solubility / g/L	None
Molecular Weight / g/mol	28.09

Reflective Silicon

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