3″ Dia, 18″ FL Protected Alum., Spherical Mirror

Product Details Ideal for Multispectral Focusing Applications Variety of Coating Options Offered Multiple Sizes Available λ/8 Precision Spherical Mirrors Also Available TECHSPEC λ/4 Precision Spherical Mirrors are ideal for light collection in multispectral imaging applications. These mirrors are available in a wide range of metallic coating options covering the UV, VIS, and IR spectrum. A BOROFLOAT substrate provides a good combination of performance and value. TECHSPEC λ/4 Precision Spherical Mirrors are available in diameters ranging from 25.4 to 152.4mm for ease of system integration. These mirrors collect and focus light without introducing chromatic aberration. Specifications General Type: Spherical Mirror Physical & Mechanical Properties Diameter (mm): 76.20 +1.0/-0 Diameter (inches): 3.0 Diameter Tolerance (inches): +0.04/-0 Edge Thickness ET (mm): 12.70 Edge Thickness ET (inches): 0.50 Edge Thickness Tolerance (%): +0.0/-15 Back Surface: Ground Optical Properties Effective Focal Length EFL (mm): 457.20 Effective Focal Length EFL (inches): 18.00 Focal Length Tolerance (%): ±2 Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More BOROFLOAT Aperture (f/#): f/6 Coating: Protected Aluminum (400-2000nm) Coating Type: Metal Coating Specification: R avg >85% @ 400 – 700nm R avg >90% @ 400 – 2000nm Wavelength Range (nm): 400 – 2000 Surface Accuracy: λ/4 Surface Quality: 60-40 Damage Threshold, Reference: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification. 0.3 J/cm 2 @ 532nm & 1064nm, 10ns Radius of Curvature (mm): 914.40 Regulatory Compliance RoHS 2015: Compliant × Certificate of Conformance: View × Reach 247: Compliant ×