Passive ring resonator laser angular rate sensor

Details Passive ring resonator laser angular rate sensor Passive ring resonator laser angular rate sensor

1984-12-13

1991-10-22

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01C 1964, G01B 902

Patent

active

050590308

ABSTRACT:
In an angular rate sensor including a plurality of thin film waveguides and a directional coupler, a plurality of interdigitated transducers arranged to propagate energy into the waveguides and detect the resulting counterpropagating waves.

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patent: 4326803 (1982-02-01), Lawrence
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"Rayleigh Backscattering in Optical Passive Ring-Resonator Gyro", K. Iwatsuki et al.
"Efficient Acoustooptic Diffraction in Crossed Channel Waveguides and Resultant Integrated Optic Module", C. S. Tsai et al, 422 Ultrasonics Symposium, 1982 IEEE.
"Passive Fiber-Optics Ring Resonator for Rotation Sensing", R. E. Meyer et al., Optics Letters, vol. 8, No. 2, Dec. 1983, pp. 644-646.

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