Ring resonator gyroscope with reduced backscatter effect

Ring resonator gyroscope with reduced backscatter effect

A ring resonator gyroscope has clockwise and counterclockwise light beams that are frequency shifted by an equal but opposite amount and then have their frequencies varied in antiphase relative to each other about a mean frequency (fo+f1 or fo-f1) so any backscatter signal is at the difference frequ...

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Hauptverfasser: MALVERN, ALAN R
Format: Patent
Sprache:eng
Schlagworte:
GYROSCOPIC INSTRUMENTS
MEASURING
MEASURING DISTANCES, LEVELS OR BEARINGS
NAVIGATION
PHOTOGRAMMETRY OR VIDEOGRAMMETRY
PHYSICS
SURVEYING
TESTING
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creator MALVERN
ALAN R
description A ring resonator gyroscope has clockwise and counterclockwise light beams that are frequency shifted by an equal but opposite amount and then have their frequencies varied in antiphase relative to each other about a mean frequency (fo+f1 or fo-f1) so any backscatter signal is at the difference frequency and locking at zero rate thus is avoided.
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subjects GYROSCOPIC INSTRUMENTS
MEASURING
MEASURING DISTANCES, LEVELS OR BEARINGS
NAVIGATION
PHOTOGRAMMETRY OR VIDEOGRAMMETRY
PHYSICS
SURVEYING
TESTING
title Ring resonator gyroscope with reduced backscatter effect
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