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

25 x 25mm NIR II Coated, 1λ Fused Silica Window

TECHSPEC® 1λ UV Fused Silica Windows

TECHSPEC® 1λ UV Fused Silica Windows

Stock #39-300
×
Qty 1-5
£70.13
Qty 6+
£56.10
Volume Pricing
Request Quote
Abbe Number (vd):
67.8
Bevel:
Protective as needed
Clear Aperture (%):
90
Clear Aperture CA (mm):
22.50 x 22.50
Dimensions (mm):
25.00 x 25.00
Thickness (mm):
2.00 ±0.38
Coating:
NIR II (750-1550nm)
Coating Specification:
Rabs ≤1.5% @ 750 - 800nm
Rabs ≤1.0% @ 800 - 1550nm
Ravg ≤0.7% @ 750 - 1550nm
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
Surface Flatness:
Surface Quality:
60-40
Type:
Protective Window
Typical Energy Density Limit:
8 J/cm2 @ 1064nm, 10ns
Wavelength Range (nm):
750 - 1550
Young's Modulus (GPa):
73
Length (mm):
25.00
Width (mm):
25.00

Regulatory Compliance

RoHS 2015:
Reach 219:

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.

UV FS Transmission Curve
UV FS Transmission Curve
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