Training course and tutorial on optical two-frequency domain reflectometry

Oleg G. Morozov; German I. Il'in; Yuri E. Pol'ski; Gennady A. Morozov

doi:10.1117/12.923128

26 April 2012 Training course and tutorial on optical two-frequency domain reflectometry

Oleg G. Morozov, German I. Il'in, Yuri E. Pol'ski, Gennady A. Morozov

Proceedings Volume 8410, Optical Technologies for Telecommunications 2011; 84100Q (2012) https://doi.org/10.1117/12.923128
Event: Optical Technologies for Telecommunications 2011 (OTT 2011), 2011, Kazan, Tatarstan, Russian Federation

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.

Citation Download Citation

Oleg G. Morozov, German I. Il'in, Yuri E. Pol'ski, and Gennady A. Morozov "Training course and tutorial on optical two-frequency domain reflectometry", Proc. SPIE 8410, Optical Technologies for Telecommunications 2011, 84100Q (26 April 2012); https://doi.org/10.1117/12.923128

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