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Proceedings Paper

Training course and tutorial on optical two-frequency domain reflectometry
Author(s): Oleg G. Morozov; German I. Il'in; Yuri E. Pol'ski; Gennady A. Morozov
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Paper Abstract

Tutorial and training course «Optical Two-Frequency Domain Reflectometry» are devoted to the theory and technical equipment of reflectometers for fiber optical structures monitoring in two- frequency domain. Optical two-frequency probing radiation is synthesized on the base of unique manipulating technique of initial one-frequency light wave amplitude and phase. The output frequencies are symmetrical relatively to suppressed initial one and have equal amplitudes and alternative phases. The principle of two-frequency symmetrical probing radiation synthesis is summarized. A series of functional optical-sensing systems, including fiber-optic reflectometers and interrogators for multiplexed fiber Bragg gratings or Fabry-Perot interferometers sensors are introduced. Fully distributed fiber-optic strain sensing system based on Brillouin frequency shift is highlighted and four-wave mixing compensating system is also presented. Miscellaneous applications in biosensors and two-frequency signal forming for photonic microwave filters synthesis are also reviewed. This course recommended for students, undergraduates and graduate students of radio-engineering and telecommunication schools.

Paper Details

Date Published: 26 April 2012
PDF: 9 pages
Proc. SPIE 8410, Optical Technologies for Telecommunications 2011, 84100Q (26 April 2012); doi: 10.1117/12.923128
Show Author Affiliations
Oleg G. Morozov, Kazan National Research Technical Univ. (Russian Federation)
German I. Il'in, Kazan National Research Technical Univ. (Russian Federation)
Yuri E. Pol'ski, Kazan National Research Technical Univ. (Russian Federation)
Gennady A. Morozov, Kazan National Research Technical Univ. (Russian Federation)

Published in SPIE Proceedings Vol. 8410:
Optical Technologies for Telecommunications 2011
Vladimir A. Andreev; Vladimir A. Burdin; Albert H. Sultanov; Oleg G. Morozov, Editor(s)

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