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10mm Dia. λ/4 Uncoated, Precision Sapphire Window

TECHSPEC Precision Sapphire Windows

TECHSPEC Precision Sapphire Windows

Stock #88-427
£72.25
Qty 1-10
£72.25
Qty 11+
£65.03
Volume Pricing
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Abbe Number (vd):
72.24
Axis Orientation:
Random
Bevel:
Protective as needed
Birefringence (no-ne):
0.008 for Visible Light Orthogonal to Optical Axis
Clear Aperture (%):
90.00
Clear Aperture CA (mm):
9.00
Diameter (mm):
10.00 +0.00/-0.25
Thickness (mm):
1.00 ±0.1
Coating:
Uncoated
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
Parallelism (arcmin):
≤3
Poisson's Ratio:
0.27
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Sapphire (Al2O3)
Surface Flatness:
λ/4
Surface Quality:
40-20
Type:
Protective Window
Wavelength Range (nm):
200 - 5500
Young's Modulus (GPa):
435

Regulatory Compliance

RoHS 2015:
Reach 197:

Product Family Description

  • λ/4 Surface Flatness Ideal for Imaging Applications
  • Improved Surface Quality to Minimize Scatter in UV Applications
  • Excellent Transmission from 0.2 - 5.5μm
  • TECHSPEC® Sapphire Windows Also Available

Precision UV Grade Sapphire Windows feature UV grade sapphire substrates with improved surface quality specifications compared to our standard sapphire windows to minimize scatter in UV applications. These windows provide high transmission from 0.2 - 5.5μm and, due to sapphire’s structural strength, feature thinner thicknesses than standard glass windows, minimizing absorption. In addition to its broad transmission range, sapphire has extreme hardness second only to diamond, high thermal conductivity, and resistance to common chemical acids and alkalis. Precision UV Grade Sapphire Windows also feature λ/4 surface flatness, making them ideal for use in imaging and laser applications, especially those in harsh environments requiring tough, durable protective windows.

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