12mm Diameter x 18mm FL, Uncoated, 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): 4.00 ±0.05 Edge Thickness ET (mm): 1.41 Centering (arcmin): <1 Clear Aperture CA (mm): 10.2 Bevel: Protective as needed Optical Properties Effective Focal Length EFL (mm): 18.00 @ 587.6nm Focal Length Specification Wavelength (nm): 587.6 Back Focal Length BFL (mm): 15.23 Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More Fused Silica (Corning 7980) f/#: 1.5 Coating: Uncoated Wavelength Range (nm): 200 - 2200 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): 8.25 Numerical Aperture NA: 0.33 Regulatory Compliance RoHS 2015: Compliant × Certificate of Conformance: View × Reach 253: Compliant ×