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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. x 250mm FL, 261.4nm Coated, Laser Grade PCX Lens

TECHSPEC Laser Grade PCX Lenses

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Stock #19-740 Clearance 3-4 days
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€116,95
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€116,95
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Diameter (mm):
25.40 +0.00/-0.025
Effective Focal Length EFL (mm):
250.00 @ 355nm
Back Focal Length BFL (mm):
247.36
Coating:
Laser V-Coat (261.4nm)
Coating Specification:
Rabs <0.25% @ 261.4nm
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Fused Silica (Corning 7980)
Surface Quality:
10-5
Power (P-V) @ 632.8nm:
λ
Irregularity (P-V) @ 632.8nm:
λ/10
Focal Length Tolerance (%):
±1
Centering (arcmin):
<3
Center Thickness CT (mm):
4.00 ±0.10
Edge Thickness ET (mm):
3.27
Radius R1 (mm):
119.02
Clear Aperture CA (mm):
21.59
f/#:
9.84
Numerical Aperture NA:
0.05
Design Wavelength DWL (nm):
261.4
Type:
Plano-Convex Lens
Bevel:
Protective Bevel As Needed
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

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.