Name: 25.4mm Dia. x 500mm FL, 266nm Coated, Laser Grade PCX Lens
Brand: TECHSPEC
SKU: 38-654
Price: €199,00

Diameter (mm):

25.40 +0.00/-0.025

Effective Focal Length EFL (mm):

500.00 @ 355nm

Back Focal Length BFL (mm):

497.44

Coating:

Laser V-Coat (266nm)

Coating Specification:

R_abs <0.25% @ 266nm

Fused Silica (Corning 7980)

Surface Quality:

10-5

Power (P-V) @ 632.8nm:

Irregularity (P-V) @ 632.8nm:

λ/10

Focal Length Tolerance (%):

±1

Centering (arcmin):

Center Thickness CT (mm):

4.00 ±0.10

Edge Thickness ET (mm):

3.63

Radius R₁ (mm):

238.04

Clear Aperture CA (mm):

21.59

f/#:

19.69

Numerical Aperture NA:

0.03

Damage Threshold, Pulsed:

3 J/cm² @ 266nm, 20ns, 20Hz

Design Wavelength DWL (nm):

266

Type:

Plano-Convex Lens

Bevel:

Protective Bevel As Needed

3 J/cm² @ 266nm, 20ns, 20Hz

Regulatory Compliance

RoHS 2015:

Compliant

Reach 209:

Compliant

Certificate of Conformance:

View

Product Family Description

Guaranteed Laser Damage Threshold
10-5 Surface Quality
λ/10 Surface Accuracy

TECHSPEC® Laser Grade PCX Lenses are designed for high energy Nd:YAG laser applications including laser cutting, machining, and welding. The precision fused silica substrate, featuring λ/10 surface accuracy and 10-5 surface quality, ensures low scatter and excellent transmitted wavefront performance. TECHSPEC Laser Grade PCX Lenses are available uncoated or with a variety of high laser damage threshold anti-reflection (AR) coating options. Coatings are available at the most common Nd:YAG laser wavelengths to ensure maximum laser throughput.

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