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Products / Optics / Windows and Diffusers / Laser Line Windows / λ/20 High Power Laser Line Windows
See all 20 Products in Family
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

50mm Dia. 355nm Laser V-Coat, λ/20 Fused Silica Window

Uncoated λ/20 Fused Silica Window

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Stock #65-867
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Qty 1-5
C$324.00
Qty 6+
C$286.20
Volume Pricing
Request Quote
Angle of Incidence (°):
0
Bevel:
Protective as needed
Clear Aperture CA (mm):
45.00
Coating:
Laser V-Coat (355nm)
Coating Specification:
Rabs <0.25% @ 355nm
Diameter (mm):
50.00 +0.00/-0.10
Thickness (mm):
3.00 ±0.10
Damage Threshold, Pulsed:
7.5 J/cm2 @ 355nm, 20ns, 20Hz
Design Wavelength DWL (nm):
355
Parallelism (arcsec):
≤5
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Fused Silica, Excimer Grade (Corning 7980 KrF)
Surface Quality:
10-5
Transmitted Wavefront, P-V:
λ/20
Type:
Laser Line Window
Young's Modulus (GPa):
73
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
Index of Refraction nd:
1.458
Poisson's Ratio:
0.16
Abbe Number (vd):
67.8
Edges:
Fine Ground

Regulatory Compliance

RoHS 2015:
Compliant
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REACH 201:
Compliant
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Product Family Description

  • R < 0.25% for 266nm, 355nm, 532nm or 1064nm
  • Low Auto-Fluorescence
  • Damage Thresholds up to 10 J/cm2 @ 10ns @ 1064nm

TECHSPEC® λ/20 High Power Laser Line Windows feature a high efficiency, high damage threshold V-coating to maximize transmission at the design wavelength. Damage thresholds ranging from 2 - 10J/cm2 allow for easy integration into most Nd:YAG laser systems. The coating is deposited on a precision excimer grade UV grade fused silica substrate for excellent thermal stability, low wavefront distortion, and ultra-low auto-fluorescence. For custom options or wedged versions, please contact our Sales Department.

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