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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

12.7mm Square x -50 FL, 266nm AR Coated, Laser Grade PCV Cylinder Lens

Stock #37-578 In Stock
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Effective Focal Length EFL (mm):
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Fused Silica (Corning 7980)
Numerical Aperture NA:
Laser V-Coat (266nm)
Cylinder Lens, Plano-Concave
Back Focal Length BFL (mm):
Protective bevel as needed
Center Thickness CT (mm):
Center Thickness Tolerance (mm):
Clear Aperture CA (mm):
11.43 x 11.43
Coating Specification:
Rabs <0.25% @ 266nm
Design Wavelength DWL (nm):
Dimensional Tolerance (mm):
Dimensions (mm):
12.7 x 12.7
Edge Thickness ET (mm):
Focal Length Specification Wavelength (nm):
Radius R1 (mm):
Surface Quality:
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
Power (P-V) @ 632.8nm:
Irregularity (P-V) @ 632.8nm:
Plano Axis Wedge (arcmin):
Power Axis Wedge (arcmin):
Axial Twist (arcmin):

Regulatory Compliance

RoHS 2015:
Reach 209:
Certificate of Conformance:

Product Family Description

  • <0.25% AR Coated for Nd:YAG Harmonics
  • <3 Arcminute Wedge Tolerance
  • Fused Silica Substrate

TECHSPEC® Laser Grade Laser Line Cylinder Lenses are manufactured with tightly controlled geometric wedge tolerances to facilitate drop in compatibility. These laser line cylinder lenses feature laser grade optical specifications including 20-10 surface quality and λ/4 surface irregularity on both plano and cylindrical surfaces. TECHSPEC Laser Grade Laser Line Cylinder Lenses are available in 266nm, 355nm, 532nm, and 1064nm AR coated versions, with specified laser induced damage thresholds. These fused silica lenses are ideal for demanding laser machining and medical applications.