Ion beam sputtered mirrors for ring laser gyros

Details Ion beam sputtered mirrors for ring laser gyros Ion beam sputtered mirrors for ring laser gyros

1987-11-25

1989-07-18

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

372 94, G01C 1964

Patent

active

048489093

ABSTRACT:
Disclosed is a ring laser angular rate sensor constructed from a solid block with mirror assemblies joined to the block with a thermally formed gas tight seal. The mirror assemblies include a coating of alternating layers of zirconium dioxide (ZrO.sub.2) and silicon dioxide (SiO.sub.2) which have been ion beam sputtered on mirror substrates composed of a material which suitably matches the thermal coefficient of the laser block.

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