Sapphire Window for L3
Sapphire window for the Lightwind L3
Uncoated sapphire provide exceptional surface hardness and a transmission range from UVto MIR. It can only be scratched by a few materials other than itself. The uncoated substrate is chemically inert and insoluable in water, common acids, or alkalis at temperatures up to ~1000 C.
Transmitted Wavefront Error ≤λ/2 Over Full Clear Aperture -
Surface Flatness λ Over Clear Aperture
Surface Quality 60-40 Scratch-Dig