3″ Diameter x 17.5″ FL Protected Aluminum, Parabolic Mirror

Product Details λ/8 Surface Accuracy Wide Range of Sizes up to 412.8mm Diameter Variety of Coating Options Offered TECHSPEC Precision Parabolic Mirrors are available in sizes ranging from 3″ (76.2mm) to 16.25″ (412.8mm) and are ideal for a wide range of applications. These parabolic mirrors are offered with protected aluminum, enhanced aluminum or protected gold coatings. Uncoated substrates are also available. TECHSPEC Precision Parabolic Mirrors deliver exceptional optical performance for high-precision focusing and collimation across a wide wavelength range. These parabolic mirrors feature λ/8 surface accuracy and 60-40 surface quality, minimize aberrations and scattering, and ensure high reflectivity and tight focus in demanding laser, imaging, and illumination systems. They offer excellent reflectance from visible to infrared regions and are available with protected aluminum, enhanced aluminum, protected gold coatings, or uncoated. Designed with BOROFLOAT substrates for superior thermal stability, they perform well for applications in aerospace, spectroscopy, and optical instrumentation where precise beam control is critical. FAQ(s) Which coating options are available for these parabolic mirrors? Coating options include protected aluminum, enhanced aluminum for high visible reflectivity, protected gold for infrared use, and uncoated versions. What materials are used for the mirror substrates? BOROFLOAT glass provides excellent thermal stability and mechanical durability, especially in temperature-sensitive environments. In what types of applications are these parabolic mirrors typically used? They are ideal for laser systems, optical instruments, spectroscopy setups, aerospace applications, beam collimation or focusing assemblies, and more. How large are the available diameters for the Precision Parabolic Mirrors? Mirror sizes range from 3 inches (76.2mm) to 16.25 inches (412.8mm), offering a wide selection for different optical design needs. Specifications General Type: Parabolic Mirror Physical & Mechanical Properties Diameter (mm): 76.20 +1.0/-0 Diameter (inches): 3.0 +0.04/-0 Edge Thickness ET (mm): 12.70 Edge Thickness ET (inches): 0.50 Clear Aperture CA (mm): 69 Back Surface: Ground Optical Properties Effective Focal Length EFL (mm): 444.50 Effective Focal Length EFL (inches): 17.50 Focal Length Tolerance (%): ±1 Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More BOROFLOAT Aperture (f/#): f/5.8 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 Wavelength Range (μm): 0.4 – 2 Surface Accuracy: λ/8 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): 889.00 Regulatory Compliance RoHS 2015: Compliant × Certificate of Conformance: View × Reach 247: Compliant ×