Adaptive interferometers for sensor applications
by Igor A. Sokolov; Mikhail A. Bryushinin; Vladimir V. Kulikov; Sanowar H. Khan; Kenneth T.V. Grattan
International Journal of Lifecycle Performance Engineering (IJLCPE), Vol. 1, No. 3, 2013

Abstract: We report on simple high-sensitivity interferometric techniques of detecting vibrations and present characteristics of laser vibrometer using Bi12SiO20 crystal. Adaptive interferometer enables efficient conversion of high-frequency phase modulation of speckle-like optical wave reflected from the vibrating object into an output signal with concomitant setting of optimal operation point of the interferometer and suppression of amplitude laser noise.

Online publication date: Tue, 29-Jul-2014

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