Passive ring laser rate of turn device with acousto-optic modula

Details Passive ring laser rate of turn device with acousto-optic modula Passive ring laser rate of turn device with acousto-optic modula

1980-07-07

1982-10-05

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01C 1964

Patent

active

043525628

ABSTRACT:
A ring resonator wherein the frequency of a laser beam is altered by passing the beam through an acoustooptic modulator which is controlled by a voltage controlled oscillator (VCO) in a stabilization feedback loop. The acoustooptic modulator is capable of modulating the laser at modulation frequencies well up into the radio frequency range as is required for cavity stabilization.

REFERENCES:
patent: 4135822 (1979-01-01), Ezekiel
patent: 4273444 (1981-06-01), Pool et al.
"Techniques for Shotnoise Limited Inertial Rotation Measurement Using a Multiturn Fiber SAGNAC Interferometer", Davis and Ezekiel SPIE, vol. 157 (1978), pp. 131-136.

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