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Proceedings Paper

Photorefractive double-phase conjugator for multimode fiber optic interferometer
Author(s): A. V. Khomenko; A. Garcia-Weidner; Alexei A. Kamshilin
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Paper Abstract

A sensing scheme for multimode fiber-optic interferometer using a photorefractive double phase conjugator is proposed. The conjugator acts as a converter of light amplitude distribution of the fiber modes into the same wavefronts propagating in the same direction. The scheme has high light efficiency and allows interferometric detection of high speed intermodal phase fluctuations and it is self adaptive for environmental changes. The results of experiments for vibration detection are presented to demonstrate the feasibility of the proposed scheme. In our experiments, a double phase conjugator based on photorefractive waveguide- like BTO crystal was used.

Paper Details

Date Published: 5 February 1996
PDF: 4 pages
Proc. SPIE 2730, Second Iberoamerican Meeting on Optics, (5 February 1996); doi: 10.1117/12.231090
Show Author Affiliations
A. V. Khomenko, Ctr. de Investigacion Cientifica y de Educacion Superior de Ensenada (Mexico)
A. Garcia-Weidner, Ctr. de Investigacion Cientifica y de Educacion Superior de Ensenada (Mexico)
Alexei A. Kamshilin, Univ. of Joensuu (Finland)


Published in SPIE Proceedings Vol. 2730:
Second Iberoamerican Meeting on Optics
Daniel Malacara-Hernandez; Sofia E. Acosta-Ortiz; Ramon Rodriguez-Vera; Zacarias Malacara; Arquimedes A. Morales, Editor(s)

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