12mm Diameter x 50mm FL, 355nm Coated, Laser Grade PCX Lens

Product Details 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. Specifications General Type: Plano-Convex Lens Physical & Mechanical Properties Diameter (mm): 12.00 +0.00/-0.10 Center Thickness CT (mm): 2.90 ±0.05 Edge Thickness ET (mm): 2.10 Centering (arcmin): <1 Clear Aperture CA (mm): 10.2 Bevel: Protective as needed Optical Properties Effective Focal Length EFL (mm): 50.00 @ 587.6nm Focal Length Specification Wavelength (nm): 587.6 Back Focal Length BFL (mm): 48.01 Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More Fused Silica (Corning 7980) f/#: 4.17 Coating: Laser V-Coat (355nm) Coating Specification: R abs <0.25% @ 355nm Design Wavelength DWL (nm): 355 Surface Quality: 20-10 Power (P-V) @ 632.8nm: λ Irregularity (P-V) @ 632.8nm: λ/10 Focal Length Tolerance (%): ±1 Radius R 1 (mm): 22.92 Numerical Aperture NA: 0.12 Damage Threshold, By Design: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification. 7.5 J/cm 2 @ 355nm, 20ns, 20Hz Regulatory Compliance RoHS 2015: Compliant × Certificate of Conformance: View × Reach 253: Compliant ×