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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

19.1mm Dia., 6.35mm Thick, 980nm, λ/10 Fused Silica Window

TECHSPEC λ/10 Laser Line Coated Windows

Stock #39-704 In Stock
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Angle of Incidence (°):
Clear Aperture CA (mm):
Laser V-Coat (980nm)
Design Wavelength DWL (nm):
Diameter (mm):
19.10 +0.00/-0.10
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Fused Silica (Corning 7980)
Index of Refraction nd:
Surface Quality:
Thickness (mm):
6.35 ±0.20
Laser Line Window
Parallelism (arcmin):
Protective as needed
Clear Aperture (%):
Abbe Number (vd):
Coating Specification:
Rabs <0.25% @ 980nm
Surface Flatness (P-V):
Damage Threshold, By Design: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
15 J/cm2 @ 980nm, 20ns, 20Hz
Fused Silica Grade:
7980 0F
Fine Ground
Type of Window:

Regulatory Compliance

RoHS 2015:
Reach 209:
Certificate of Conformance:

Product Family Description

TECHSPEC® λ/10 Laser Line Coated Windows are designed for direct integration into laser applications. This robust product family features common imperial sizes, many of which offer multiple thickness options. Anti-reflection coatings are available at common laser wavelengths, minimizing surface reflection for optimal system transmission. TECHSPEC λ/10 Laser Line Coated Windows provide laser grade specifications including λ/10 surface flatness, 10-5 surface quality, and <3 arcmin parallelism. These windows are ideal for industrial laser applications ranging from protective coverings to separating various environments.