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

5mm Dia., 1mm Thick, VIS-NIR Coated, λ/4 Fused Silica Window

TECHSPEC® λ/4 UV Fused Silica Windows

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Stock #14-981
- +
₹8,585.00
Qty 1-5
₹8,585.00
Qty 6+
₹6,715.00
Volume Pricing
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Abbe Number (vd):
67.8
Bevel:
Protective as needed
Clear Aperture (%):
90
Clear Aperture CA (mm):
4.50
Diameter (mm):
5.00 +0.00/-0.10
Thickness (mm):
1.00 ±0.10
Coating:
VIS-NIR (400-1000nm)
Coating Specification:
Rabs ≤0.25% @ 880nm
Ravg ≤1.25% @ 400 - 870nm
Ravg ≤1.25% @ 890 - 1000nm
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
Type:
Protective Window
Typical Energy Density Limit:
5 J/cm2 @ 532nm, 10ns
Wavelength Range (nm):
400 - 1000
Young's Modulus (GPa):
73
Damage Threshold, Reference: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
5 J/cm2 @ 532nm, 10ns

Regulatory Compliance

RoHS 2015:
Reach 224:
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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