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All Products / Laser Optics / Optics for 261.4nm Lasers / Optics for 261.4nm Lasers
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25.4mm Dia., 6.35mm Thick, 261.4nm, λ/10 Fused Silica Window

TECHSPEC λ/10 Laser Line Coated Windows

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Angle of Incidence (°):
0
Clear Aperture CA (mm):
22.86
Coating:
Laser V-Coat (261.4nm)
Design Wavelength DWL (nm):
261.4
Diameter (mm):
25.40 +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:
1.458
Surface Quality:
10-5
Thickness (mm):
6.35 ±0.20
Type:
Laser Line Window
Parallelism (arcmin):
<3
Bevel:
Protective as needed
Clear Aperture (%):
90
Abbe Number (vd):
67.8
Coating Specification:
Rabs <0.25% @ 261.4nm
Surface Flatness (P-V):
λ/10
Damage Threshold, By Design: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
3 J/cm2 @ 266nm, 20ns, 20Hz
Edges:
Fine Ground
Type of Window:
Glass
Damage Threshold, Pulsed:
3 J/cm2 @ 266nm, 20ns, 20Hz

Regulatory Compliance

RoHS:
Compliant
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Certificate of Conformance:
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Product Family Description

  • Lenses, Mirrors, and Windows Designed for 261.4nm
  • High Damage Thresholds to Withstand High Energy UV Photons
  • Ideal for Use with the UVC Photonics Model 261 Laser

Optics for 261.4nm Lasers are manufactured with tight surface tolerances and high laser damage thresholds to meet the demanding needs of UV laser systems. With lenses, mirrors, and windows designed for 261.4nm available, these optics provide a solution for beam focusing, beam steering, and protecting sensitive components. Optics designed for 266nm that work well at 261nm, including filters, beam expanders, and beam shaping optics, are also available along with UV detection and measurement products. Optics for 261.4nm Lasers are ideal for use with UV lasers, such as the UVC Photonics Model 261 Laser, in applications including UV disinfection systems, biomedical fluorescence, and UV Raman spectroscopy. Please contact us if your application requires a 261.4nm optical component with a custom size, geometry, or coating.