Nonreciprocal phase shifter for a ring laser gyro

Details Nonreciprocal phase shifter for a ring laser gyro Nonreciprocal phase shifter for a ring laser gyro

1979-08-09

1981-06-02

Sikes, William L.

Oscillators

Molecular or particle resonant type

356350, 331 945T, H01S 310

Patent

active

042713978

ABSTRACT:
In a ring laser gyroscope having a triangular optical resonator with mirrors at its corners, in order to prevent lock-in, a portion of the light from the beams that passes through the mirrors at the corners is fed back into the clockwise and counter-clockwise beams after being passed through an optical resonator containing a nonreciprocal phase shifter.

REFERENCES:
patent: 3373650 (1968-03-01), Killpatrick
patent: 3462708 (1969-08-01), McClure
patent: 3508831 (1970-04-01), Macek
patent: 3826575 (1974-07-01), Walter, Jr.
patent: 3867034 (1975-02-01), Aronowitz

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