Silicon Rectangular Windows

Silicon Windows（rectangular）

Silicon rectangular windowsare an optical element made of silicon material, which is a chemically inert gas material with high hardness and is insoluble in water. It has good transmittance performance in the 1-7 μ m wavelength range, and it also has good transmittance performance in the far-infrared wavelength range of 30-300 μ m. The shape is rectangular and serves as a protective window for electronic sensors or external environmental detectors. Used to separate the environment on both sides, such as separating the inside and outside of the instrument, to isolate the inside and outside of the instrument and protect internal components. Micron optics has high transmittance in both visible and infrared bands, as well as low reflectivity and absorption. UM OPTICS can provide different types of window sheets such as circular, rectangular, wedge-shaped, perforated, and stepped sheets. It can be coated with reflective film, anti reflective film, filter film, spectroscopic film, polarizing film, and metallization film systems.

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	Length(mm)	Width(mm)	ThK(mm)	Surface Accuracy	Surface Quality	Parallelism
	Screen Reset 41 38 30 29 25 25.4 12.7	Screen Reset 23 19 15 14 12 25.4 12.7	Screen Reset 6 4 2 3	Screen Reset 5(3) 3(1)	Screen Reset 60-40	Screen Reset 3′
More+ Less	41	23	6	5(3)	60-40	3′
Sizes 41mm23mm6mm，Silicon Rectangular Windows Number：PSi02F003 Length(mm)：41 Width(mm)：23 ThK(mm)：6 Surface Accuracy：5(3) Surface Quality：60-40 Parallelism：3′ Clear Aperture：>90% Length Tolerance(mm)：+0.0/-0.1 Width Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Silicon（Si） Transmission Range：1.2-15μm Bevel(mm)：0.35 Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	38	19	4	3(1)	60-40	3′
Sizes 38mm19mm4mm，Silicon Rectangular Windows Number：PSi02F002 Length(mm)：38 Width(mm)：19 ThK(mm)：4 Surface Accuracy：3(1) Surface Quality：60-40 Parallelism：3′ Clear Aperture：>90% Length Tolerance(mm)：+0.0/-0.1 Width Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Silicon（Si） Transmission Range：1.2-15μm Bevel(mm)：0.35 Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	38	19	2	3(1)	60-40	3′
Sizes 38mm19mm2mm，Silicon Rectangular Windows Number：PSi02F001 Length(mm)：38 Width(mm)：19 ThK(mm)：2 Surface Accuracy：3(1) Surface Quality：60-40 Parallelism：3′ Clear Aperture：>90% Length Tolerance(mm)：+0.0/-0.1 Width Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Silicon（Si） Transmission Range：1.2-15μm Bevel(mm)：0.35 Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	30	15	4	3(1)	60-40	3′
Sizes 30mm15mm4mm，Silicon Rectangular Windows Number：PSi02E005 Length(mm)：30 Width(mm)：15 ThK(mm)：4 Surface Accuracy：3(1) Surface Quality：60-40 Parallelism：3′ Clear Aperture：>90% Length Tolerance(mm)：+0.0/-0.1 Width Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Silicon（Si） Transmission Range：1.2-15μm Bevel(mm)：0.35 Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	29	14	4	3(1)	60-40	3′
Sizes 29mm14mm4mm，Silicon Rectangular Windows Number：PSi02E004 Length(mm)：29 Width(mm)：14 ThK(mm)：4 Surface Accuracy：3(1) Surface Quality：60-40 Parallelism：3′ Clear Aperture：>90% Length Tolerance(mm)：+0.0/-0.1 Width Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Silicon（Si） Transmission Range：1.2-15μm Bevel(mm)：0.35 Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	25	12	2	3(1)	60-40	3′
Sizes 25mm12mm2mm，Silicon Rectangular Windows Number：PSi02E003 Length(mm)：25 Width(mm)：12 ThK(mm)：2 Surface Accuracy：3(1) Surface Quality：60-40 Parallelism：3′ Clear Aperture：>90% Length Tolerance(mm)：+0.0/-0.1 Width Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Silicon（Si） Transmission Range：1.2-15μm Bevel(mm)：0.35 Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	25.4	25.4	3	3(1)	60-40	3′
Sizes 25.4mm25.4mm3mm，Silicon Rectangular Windows Number：PSi02E002 Length(mm)：25.4 Width(mm)：25.4 ThK(mm)：3 Surface Accuracy：3(1) Surface Quality：60-40 Parallelism：3′ Clear Aperture：>90% Length Tolerance(mm)：+0.0/-0.1 Width Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Silicon（Si） Transmission Range：1.2-15μm Bevel(mm)：0.35 Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	25	15	2	3(1)	60-40	3′
Sizes 25mm15mm2mm，Silicon Rectangular Windows Number：PSi02E001 Length(mm)：25 Width(mm)：15 ThK(mm)：2 Surface Accuracy：3(1) Surface Quality：60-40 Parallelism：3′ Clear Aperture：>90% Length Tolerance(mm)：+0.0/-0.1 Width Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Silicon（Si） Transmission Range：1.2-15μm Bevel(mm)：0.35 Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	12.7	12.7	3	3(1)	60-40	3′
Sizes 12.7mm12.7mm3mm，Silicon Rectangular Windows Number：PSi02C001 Length(mm)：12.7 Width(mm)：12.7 ThK(mm)：3 Surface Accuracy：3(1) Surface Quality：60-40 Parallelism：3′ Clear Aperture：>90% Length Tolerance(mm)：+0.0/-0.1 Width Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Silicon（Si） Transmission Range：1.2-15μm Bevel(mm)：0.35 Coating：Uncoated 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

Silicon Windows（rectangular）

Technical Parameter

Material Data

Transmittance

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