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

25mm Dia. 2mm Thick Uncoated, 1λ Fused Silica Window

TECHSPEC® 1λ UV Fused Silica Windows

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Stock #45-311 Other Coating Options
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- +
S$106.95
Qty 1-5
S$106.95
Qty 6+
S$89.13
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Abbe Number (vd):
67.8
Bevel:
Protective as needed
Clear Aperture (%):
90
Clear Aperture CA (mm):
22.50
Diameter (mm):
25.00 +0.00/-0.20
Thickness (mm):
2.00 ±0.38
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):
<5
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 Flatness:
Surface Quality:
60-40
Type:
Protective Window
Wavelength Range (nm):
200 - 2200
Young's Modulus (GPa):
73

Regulatory Compliance

RoHS 2015:
Reach 224:

Product Family Description

  • Available Uncoated or with Broadband Anti-Reflection Coatings
  • Ideal for Cost Sensitive Broadband Applications
  • Sizes Ranging from 5mm to 100mm Diameter 
  •  λ/4 or λ/10 UV Fused Silica Windows Also Available

TECHSPEC® 1λ UV Fused Silica Windows are precision manufactured using UV-grade synthetic fused silica. In addition to superior transmission, the synthetic fused silica of these optical windows exhibit higher thermal properties, exceptional purity, and excellent environmental durability for demanding applications.

Note: New additions to this product family may be specified with a transmitted wavefront distortion (TWD) specification instead of a surface flatness. For more information on the difference between these two specifications, see our application note on Understanding Optical Windows

Technical Information

Technical Information

UV FS Transmission Curve
UV FS Transmission Curve

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