Fiber and other optical waveguides

Characteristics of backscattering of light in fiber waveguides under double-mode conditions

V. V. Grigor'yants, V. A. Isaev, Yu. K. Chamorovsky


Abstract: An experimental investigation was made of the backscattering of light in fiber waveguides containing local defects. Operation under double-mode conditions made it possible to increase the sensitivity of the detection of defects by the backscattering method and this should be useful in the construction of distributed fiber-optic sensors.

UDC: 681.7.068.2

PACS: 42.81.Qb, 42.81.Pa, 07.60.Vg

Received: 08.07.1986
Revised: 28.02.1987

 English version: Soviet Journal of Quantum Electronics, 1987, 17:8, 1035–1036

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