25.0mm Dia. x -75 FL, 1064nm V-Coat, UV Plano-Concave Lens

Product Details Negative Focal Lengths for Beam Expansion or Light Projection Applications Research-Grade Synthetic Fused Silica Substrate <0.25% Reflection at 1064nm for Nd:YAG and Fiber Laser Applications Uncoated and BBAR Coating Options Available TECHSPEC 1064nm Laser Line Coated UV Fused Silica Plano-Concave (PCV) Lenses are high performance lenses that feature a low coefficient of thermal expansion. Manufactured using research-grade synthetic fused silica, these lenses provide excellent transmission and chemical purity. TECHSPEC 1064nm Laser Line Coated UV Fused Silica Plano-Concave (PCV) Lenses are designed for maximum throughput at 1064nm, making them ideal for applications utilizing Nd:YAG laser sources. With a maximum reflection of <0.25% per surface at the design wavelength, the lenses will provide superior transmission in applications utilizing multiple optical components. Specifications General Type: Plano-Concave Lens Note: Max. Flat Annulus is 0.3mm Physical & Mechanical Properties Diameter (mm): 25.00 +0.0/-0.025 Center Thickness CT (mm): 2.50 ±0.10 Edge Thickness ET (mm): 4.74 Centering (arcmin): <1 Clear Aperture CA (mm): 24 Optical Properties Effective Focal Length EFL (mm): -75.00 Focal Length Specification Wavelength (nm): 587.6 Back Focal Length BFL (mm): -76.71 Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More Fused Silica (Corning 7980) f/#: 3.00 Coating: 1064nm V-Coat Coating Specification: R abs <0.25% @ 1064nm Design Wavelength DWL (nm): 1064 Surface Quality: 40-20 Power (P-V) @ 632.8nm: 1.5λ Irregularity (P-V) @ 632.8nm: λ/4 Focal Length Tolerance (%): ±1 Radius R 1 (mm): -34.38 Numerical Aperture NA: 0.17 Damage Threshold, By Design: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification. 15 J/cm 2 @ 1064nm, 10ns Regulatory Compliance Certificate of Conformance: View ×