Name: 10mm Dia. x 1.5mm Thickness Uncoated, Silicon Window
Brand: TECHSPEC
SKU: 68-521
Price: S$165.00

10mm Dia. x 1.5mm Thickness Uncoated, Silicon Window

TECHSPEC Silicon (Si) Windows

Stock #68-521 Other Coating Options

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S$165.00

Qty 1-10
S$165.00

Qty 11+
S$148.50

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Bevel:

Protective as needed

Clear Aperture (%):

90.00

Clear Aperture CA (mm):

9.00

Diameter (mm):

10.00 +0.0/-0.1

Thickness (mm):

1.50 ±0.1

Coating:

Uncoated

Coefficient of Thermal Expansion CTE (10^-6/°C):

2.55

Density (g/cm³):

2.33

Edges:

Fine Ground

Index of Refraction n_d:

3.422 @ 5µm

Knoop Hardness (kg/mm²):

1150

Parallelism (arcmin):

Poisson's Ratio:

0.265

Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More

Silicon (Si)

Surface Flatness (P-V):

1λ

Surface Quality:

60-40

Type:

Protective Window

Wavelength Range (nm):

1200 - 7000

Young's Modulus (GPa):

140

Type of Window:

Crystal

Regulatory Compliance

RoHS 2015:

Compliant

Reach 219:

Compliant

Certificate of Conformance:

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Product Family Description

Transmission from 1.2 - 7μm
Available Uncoated or AR Coated for 1.65 - 5μm
Ideal for Weight Sensitive Applications

TECHSPEC® Silicon (Si) Windows manufactured from optical grade silicon are popular for the 1.2 - 7μm spectral region due to their low cost and low density. Due to its low density (half that of germanium or zinc selenide), silicon is ideal for weight sensitive applications, especially those in the 1.65 - 5μm region. Density is 2.329 g/cm³ and Knoop Hardness is 1150, making it harder and less brittle than germanium.

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