Concave Mirrors


Thorlabs has a wide selection of spherical concave mirrors with metallic or dielectric coatings that together span the 250 nm – 20 µm spectral range, with focal lengths from 9.5 mm to 1000 mm. Our mirrors with dielectric coatings offer >99% average reflectance in the 350 – 400 nm, 400 – 750 nm, 750 – 1100 nm, or 1280 – 1600 nm spectral ranges. Back side polished mirror options are also available for the dielectric coating ranges of 400 – 750 nm and 750 – 1100 nm. Our mirrors with metallic coatings are offered in UV enhanced aluminum (250 – 450 nm), protected aluminum (450 nm – 2 µm), protected silver (450 nm – 2 µm), protected gold (800 nm – 20 µm), and mid-infrared enhanced gold for Herriott cell mirrors (2 – 20 µm). We also offer crystal-coated concave mirrors with extremely high reflectance at 1064 nm or 1550 nm with 1 m radii of curvature.

Spec

Φ0.5“ (12.7 mm)
Φ1“ (25.4 mm)
Φ2“ (50.8 mm)
Φ75 mm

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