sapphire windows

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sapphire windows

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Product Description

Features Extreme Surface Hardness Chemical Resistance
Transmits Wavelengths Ranging From UV to Mid-Infrared
Thinner and Stronger than Standard Glass Windows
Anti-Reflection Coating Options Covering 400 - 5000nm Available

Common Specifications

Abbe Number (vd):

72.24

Axis Orientation:

Random

Bevel:

Protective as needed

Birefringence (no-ne):

0.008 for Visible Light Orthogonal to Optical Axis

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

8.8

Density (g/cm3):

3.97

Edges:

Fine Ground

Index of Refraction nd:

1.77

Knoop Hardness (kg/mm2):

1900

Poisson's Ratio:

0.27

Substrate:

Sapphire (Al2O3)

Surface Roughness (μm):

0.1 per Inch

Young's Modulus (GPa):

435

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