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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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | 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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