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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

75mm Dia., 4mm Thick, Uncoated, λ/4 Fused Silica Window

TECHSPEC® λ/4 UV Fused Silica Windows

TECHSPEC® λ/4 UV Fused Silica Windows

Stock #14-967
€215.00
×
Qty 1-5
€215.00
Qty 6+
€172.00
Volume Pricing
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Abbe Number (vd):
67.8
Bevel:
Protective as needed
Clear Aperture (%):
90
Clear Aperture CA (mm):
67.50
Diameter (mm):
75.00 +0.00/-0.10
Thickness (mm):
4.00 ±0.10
Coating:
Uncoated
Coefficient of Thermal Expansion CTE (10-6/°C):
0.52 (+5 to +35°C)
0.57 (0 to +200°C)
0.48 (-100 to +200°C)
Density (g/cm3):
2.20
Edges:
Fine Ground
Index of Refraction nd:
1.458
Knoop Hardness (kg/mm2):
522
Parallelism (arcmin):
<1
Poisson's Ratio:
0.16
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Quality:
40-20
Transmitted Wavefront, P-V:
λ/4
Type:
Protective Window
Wavelength Range (nm):
200 - 2200
Young's Modulus (GPa):
73

Regulatory Compliance

RoHS:

Product Family Description

  • Available Uncoated or BBAR Coated for UV, Visible, and NIR
  • Ideal for Imaging Applications
  • Standard Diameter Sizes from 10 to 75mm
  • or λ/10 UV Fused Silica Windows Also Available

TECHSPEC® λ/4 UV Fused Silica Windows are manufactured with 40-20 surface quality and λ/4 transmitted wavefront error specifications, making them ideal for imaging applications. Featuring UV fused silica substrates, these windows provide high transmission from the ultraviolet (UV) through the visible and near-infrared (NIR). Broadband anti-reflection (BBAR) coating options are available to minimize reflection losses and increase transmission. TECHSPEC λ/4 UV Fused Silica Windows are used in optical imaging applications, in low to medium powered laser applications, and as protective windows, especially in applications requiring transmission of UV light. Standard sizes from 10 to 75mm in diameter are available in a variety of thicknesses; please contact us for custom sizes or coatings for your application.

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