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

12.5mm Dia., 2mm Thick, VIS 0° Coated λ/10 Fused Silica Windows

Stock #68-489
×
Qty 1-5
£97.75
Qty 6+
£78.20
Volume Pricing
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Abbe Number (vd):
67.8
Bevel:
Protective as needed
Clear Aperture (%):
80
Clear Aperture CA (mm):
10.00
Diameter (mm):
12.50 +0.00/-0.20
Thickness (mm):
2.00 ±0.10
Coating:
VIS 0° (425-675nm)
Coating Specification:
Ravg ≤0.4% @ 425 - 675nm
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 (arcsec):
<5
Poisson's Ratio:
0.16
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Quality:
20-10
Transmitted Wavefront, P-V:
λ/10
Type:
Protective Window
Typical Energy Density Limit:
5 J/cm2 @ 532nm, 10ns
Wavelength Range (nm):
425 - 675
Young's Modulus (GPa):
73

Regulatory Compliance

RoHS 2015:
Reach 219:

Product Family Description

  • UV, Visible, and NIR Anti-Reflection Coated Versions Available
  • High Tolerance for Precision Applications
  • Sizes Ranging from 5 - 75mm Diameters
  • or λ/4 UV Fused Silica Windows Also Available

Our precision TECHSPEC® λ/10 UV Fused Silica Windows feature laser-grade surface quality and parallelism. In addition, these windows will limit the transmitted wavefront distortion to λ/10. Available uncoated, or with anti-reflection coatings optimized for the UV or visible spectrum, the superior transmission characteristics and excellent thermal properties combined with high tolerance manufacturing specifications make these windows an excellent choice for more demanding applications.

UV FS Transmission Curve
UV FS Transmission Curve
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