New spectrum analysis technique for interferometric vibration measurement

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Date
1992
Authors
Sudarshanam, V S
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Abstract
A new spectrum analysis technique for linear, direct measurement of dynamic phase shift in an unstabilised, no-phase bias optical homodyne interferometer is described. A minimum detectable phase shift of 0.01 rad is demonstrated for a fiber sensor/ modulator configuration.
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Keywords
Linear, Dynamic phase, Optical homodyne, Fiber sensor
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