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← ScienceWhich consequence results when mismatched optical path lengths occur in interferometric fiber-optic gyroscopes?
A)Drift in rotation measurements✓
B)Increased signal-to-noise ratio
C)Reduced sensitivity to vibration
D)Suppressed Shupe effect errors
💡 Explanation
Drift happens because the Sagnac effect relies on changes to interfering beams caused by rotation; therefore unequal lengths influence constructive/destructive interference rather than providing proper measurements, while similar lengths maintain accuracy.
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