Ring laser gyroscopes

Details Ring laser gyroscopes Ring laser gyroscopes

1981-04-17

1983-10-04

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

372 94, G01C 1964

Patent

active

044075839

ABSTRACT:
A ring laser gyroscope having a plurality of sensitive axes (X, Y, Z) and hence a plurality of cavities (7X, 7Y, 7Z), the cavities lying in mutually orthogonal planes at right angles to the respective sensitive axes and each cavity having three or more corners arranged so that at least one corner coincides with a corner of another cavity, whereby the cavities are interconnected, the gyroscope further comprising a plurality of mirrors (17,18) disposed respectively at the coinciding corners and the remaining corners of the cavities (7X, 7Y, 7Z), whereby the number of mirrors is less than the total number of cavity corners, the mirrors at the coinciding cavity corners and the coinciding cavities being oriented such that the normal to each of these mirrors lies in the plane of each cavity it serves and bisects the associated corners of those cavities.

REFERENCES:
patent: 3484169 (1969-12-01), Skalski et al.
patent: 3503688 (1970-03-01), Lechevalier

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