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

5mm Dia. Uncoated, λ/20 Fused Silica Window

Uncoated λ/20 Fused Silica Window

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Stock #65-850 5 In Stock
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£108.80
Volume Pricing
Qty 1-5 £108.80 each
Qty 6-25 £100.00 each
Qty 26-49 £87.20 each
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Prices shown are exclusive of VAT/local taxes
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Specifications

General

Type:
Laser Line Window

Physical & Mechanical Properties

Clear Aperture CA (mm):
4.50
Diameter (mm):
5.00 +0.00/-0.10
Thickness (mm):
3.00 ±0.10
Bevel:
Protective as needed
Clear Aperture (%):
90
Edges:
Fine Ground
Parallelism (arcsec):
≤5
Poisson's Ratio:
0.16
Young's Modulus (GPa):
73
Knoop Hardness (kg/mm2):
522.00

Optical Properties

Angle of Incidence (°):
0
Coating:
Uncoated
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Fused Silica Excimer Grade (Corning 7980 KrF)
Index of Refraction (nd):
1.458
Surface Quality:
10-5
Transmitted Wavefront, P-V:
λ/20
Abbe Number (vd):
67.8
Wavelength Range (nm):
200 - 2200
Damage Threshold, By Design: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
5 J/cm2 @ 10ns

Material Properties

Density (g/cm3):
2.20
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)
Fused Silica Grade:
7980 KrF 0A

Regulatory Compliance

RoHS 2015:
Compliant
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Reach 211:
Compliant
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Certificate of Conformance:
View
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Custom

Edmund Optics offers comprehensive custom manufacturing services for optical and imaging components tailored to your specific application requirements. Whether in the prototyping phase or preparing for full-scale production, we provide flexible solutions to meet your needs. Our experienced engineers are here to assist—from concept to completion.

Our capabilities include:

  • Custom dimensions, materials, coatings, and more
  • High-precision surface quality and flatness
  • Tight tolerances and complex geometries
  • Scalable production—from prototype to volume

Learn more about our custom manufacturing capabilities or submit an inquiry here.

Product Details

  • 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 features a high efficiency, high damage threshold V-coating to maximize transmission at the design wavelength. Damage thresholds ranging from 2 - 10J/cm2 allow 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. TECHSPEC® λ/20 High Power Laser Line Windows are available in diameters ranging from 5 to 50mm. For custom options or wedged versions, please contact our Sales Department.

Laser Optics

Technical Information

Compatible Mounts

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