Ultraviolet resistive coated mirror and method of fabrication

Optical: systems and elements – Light interference – Produced by coating or lamina

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Details

359359, 359361, 359588, 359589, G02B 110

Patent

active

055130399

ABSTRACT:
A mirror for reflecting a selected frequency of light includes a plurality of alternating quarter wavelength thick layers of two dielectric materials that are resistive to physical and chemical changes upon exposure to ultraviolet radiation coated upon a substrate. The materials have different refractive indices. The materials preferably are comprised of a mixture of alumina and tantala as the high refractive index layer and alumina as the low refractive index layer.

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