A coherent dual-frequency phase-sensitive reflectometer with amplitude modulation of probing pulses


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Abstract

The results of investigation of a new type of the optical-fiber coherent phase-sensitive reflectometer with two different optical frequencies of probing pulses are presented. The use of pulses with different optical frequencies allows recovering of the signal of an external action on the reflectometer optical fiber by means of phase diversity technique. The applicability of the proposed technique is justified theoretically and experimentally.

About the authors

A. E. Alekseev

Kotel’nikov Institute of Radio Engineering and Electronics (Fryazino Branch); Petrofibre Ltd.

Author for correspondence.
Email: aleksey.e.alekseev@gmail.com
Russian Federation, pl. Vvedenskogo 1, Moscow oblast, Fryazino, 141190; Spartakovskaya pl. 14, str. 4, Moscow, 105082

V. S. Vdovenko

Petrofibre Ltd.

Email: aleksey.e.alekseev@gmail.com
Russian Federation, Spartakovskaya pl. 14, str. 4, Moscow, 105082

B. G. Gorshkov

Prokhorov Institute of General Physics

Email: aleksey.e.alekseev@gmail.com
Russian Federation, ul. Vavilova 38, Moscow, 119991

V. T. Potapov

Kotel’nikov Institute of Radio Engineering and Electronics (Fryazino Branch)

Email: aleksey.e.alekseev@gmail.com
Russian Federation, pl. Vvedenskogo 1, Moscow oblast, Fryazino, 141190

D. E. Simikin

Petrofibre Ltd.

Email: aleksey.e.alekseev@gmail.com
Russian Federation, Spartakovskaya pl. 14, str. 4, Moscow, 105082

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