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V V Grigor'yants, Victor A Isaev and Yu K Chamorovskiĭ
© 1987 American Institute of Physics
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Citation V V Grigor'yants et al 1987 Sov. J. Quantum Electron. 17 1035
DOI 10.1070/QE1987v017n08ABEH009638
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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.