75mm Dia. x 400mm FL, NIR I Coated, Plano-Convex Lens

Product Details AR Coated to Provide <0.5% Reflectance per Surface for 600 - 1050nm Designed for 0° Angle of Incidence Various PCX Coating Options: Uncoated , MgF 2 , VIS 0° , VIS-NIR , NIR II , VIS-EXT , and YAG-BBAR TECHSPEC NIR I Coated Plano-Convex (PCX) Lenses have a positive focal length, making them ideal for collecting and focusing light in imaging applications. They are also useful in a variety of applications involving emitters, detectors, lasers, and fiber optics. TECHSPEC NIR I Coated Plano-Convex (PCX) Lenses are available in a wide variety of diameters and focal lengths. Identical designs of these PCX lenses are also offered uncoated or with broadband anti-reflective (BBAR) coatings, which include MgF2 , VIS 0° , VIS-NIR , NIR II , VIS-EXT , and YAG-BBAR . Specifications General Type: Plano-Convex Lens Physical & Mechanical Properties Diameter (mm): 75.00 +0.0/-0.025 Center Thickness CT (mm): 8.50 Edge Thickness ET (mm): 5.07 Centering (arcmin): <1 Clear Aperture CA (mm): 73.5 Bevel: Protective as needed Optical Properties Effective Focal Length EFL (mm): 400.00 Back Focal Length BFL (mm): 394.4 Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More N-BK7 f/#: 5.34 Coating: NIR I (600-1050nm) Coating Specification: R avg ≤0.5% @ 600 - 1050nm Wavelength Range (nm): 600 - 1050 Surface Quality: 40-20 Power (P-V) @ 632.8nm: 3λ Irregularity (P-V) @ 632.8nm: λ/2 Focal Length Tolerance (%): ±1 Radius R 1 (mm): 206.72 Numerical Aperture NA: 0.09 Damage Threshold, By Design: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification. 7 J/cm 2 @ 1064nm, 10ns Regulatory Compliance Certificate of Conformance: View ×