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

125mm Dia., 3mm Thick, Uncoated, λ/4 Fused Silica Window

TECHSPEC® λ/4 UV Fused Silica Windows

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Stock #20-161 New
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S$750.00
Qty 1-5
S$750.00
Qty 6+
S$637.50
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Abbe Number (vd):
67.8
Bevel:
Protective as needed
Clear Aperture (%):
90
Clear Aperture CA (mm):
112.50
Diameter (mm):
125.00 +0.00/-0.20
Thickness (mm):
3.00 ±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
Fused Silica (Corning 7980)
Surface Quality:
40-20
Transmitted Wavefront, P-V:
λ/4 (per inch within clear aperture)
Type:
Protective Window
Wavelength Range (nm):
200 - 2200
Young's Modulus (GPa):
73

Regulatory Compliance

RoHS:
Certificate of Conformance:

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. 

 
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