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Polarization independent phase demodulation using photorefractive two-wave mixing

Abstract : We describe both theoretically and experimentally a polarization independent interferometric adaptive photodetector based on photorefractive two-wave mixing. The configuration is based on the simultaneous recording of two independent gratings in a single photorefractive crystal. Applied to the detection of ultrasonic signals, this interferometric photodetector operates with depolarized beams issued from multimode fibers and gives a detection limit close to the ultimate.
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https://hal-iogs.archives-ouvertes.fr/hal-00673451
Contributor : Marie-Laure Edwards Connect in order to contact the contributor
Submitted on : Thursday, February 23, 2012 - 4:17:26 PM
Last modification on : Wednesday, September 16, 2020 - 5:42:36 PM
Long-term archiving on: : Friday, March 31, 2017 - 1:28:19 AM

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Philippe Delaye, Alain Blouin, Denis Drolet, Jean-Pierre Monchalin, Louis-Anne de Montmorillon, et al.. Polarization independent phase demodulation using photorefractive two-wave mixing. Applied Physics Letters, American Institute of Physics, 1999, 74 (21), pp.3087-3089. ⟨10.1063/1.124070⟩. ⟨hal-00673451⟩

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