Precision Quality Flat Mirrors, UV Enhanced Aluminum

$48.42 ~~$68.2~~ In stock

Esco Optics offers precision quality flat mirrors coated with UV Enhanced Aluminum providing Ravg. > 90%, 250-450nm. Manufactured using Borofloat-33 (12.7mm) these mirrors are polished to 1/10 wave surface accuracy and 40/20 scratch/dig over an 85% aperture. The second surface is ground and all edges are beveled. Diameter tolerance is +0/-0.1mm

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Customer Reviews (4.8 / 5 · 5 reviews)

Christopher M. ★★★★★ Oct 17, 2026

I’ve been using these 12.7mm thick mirrors for a UV laser setup, and the 1/10 wave flatness holds alignment perfectly for hours. The 90% reflectivity at 355nm is a solid upgrade from my old optics.

Jacob X. ★★★★★ Oct 12, 2026

Swapped this into my 355nm setup and the reflectivity holds up way better than the old mirror I was using. The 1/10 wave polish is no joke either, my beam profile cleaned up noticeably. Borofloat substrate feels solid in the mount, no flex at all.

Owen ★★★★★ Oct 11, 2026

The UV-enhanced coating performs exactly as advertised—I measured over 90% reflectivity across the 250-450nm range with my own setup. The Borofloat-33 substrate feels rock solid, and the 1/10 wave flatness held up perfectly in my alignment tests.