Method for Increasing the Signal-to-Noise Ratio of Rayleigh Back-Scattered Radiation Registered by a Frequency Domain Optical Reflectometer Using Two-Stage Erbium Amplification

M. E. Belokrylov; Белокрылов М. Е.; D. Claude; Клод Д.; Yu. A. Konstantinov; Константинов Ю. А.; P. V. Karnaushkin; Карнаушкин П. В.; K. A. Ovchinnikov; Овчинников К. А.; V. V. Krishtop; Криштоп В. В.; D. G. Gilev; Гилев Д. Г.; F. L. Barkov; Барков Ф. Л.; R. S. Ponomarev; Пономарев Р. С.

doi:10.31857/S0032816223050178

Method for Increasing the Signal-to-Noise Ratio of Rayleigh Back-Scattered Radiation Registered by a Frequency Domain Optical Reflectometer Using Two-Stage Erbium Amplification

Authors: Belokrylov M.E.¹, Claude D.¹, Konstantinov Y.A.¹, Karnaushkin P.V.¹^,2, Ovchinnikov K.A.³, Krishtop V.V.²^,3^,4, Gilev D.G.²^,3, Barkov F.L.¹, Ponomarev R.S.¹^,2
Affiliations:
1. Perm Federal Research Center, Ural Branch, Russian Academy of Sciences
2. Perm State University
3. Perm Research and Production Instrument-Making Company
4. Perm National Research Polytechnic University
Issue: No 5 (2023)
Pages: 56-63
Section: ОБЩАЯ ЭКСПЕРИМЕНТАЛЬНАЯ ТЕХНИКА
URL: https://rjdentistry.com/0032-8162/article/view/670413
DOI: https://doi.org/10.31857/S0032816223050178
EDN: https://elibrary.ru/ZUWZBO
ID: 670413

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Abstract
About the authors
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Abstract

Simple measures to improve the signal-to-noise ratio of optical frequency domain reflectometer (OFDR) readings are described. After applying a two-stage optical amplification of the backscattered signal, as well as eliminating the source of spurious reflections, it was possible to increase the signal-to-noise ratio of the frequency domain trace from 8 to 19 dB. This technique can be applied in fiber optic sensors and metrology of fiber optic and integrated optical elements.

About the authors

M. E. Belokrylov

Perm Federal Research Center, Ural Branch, Russian Academy of Sciences

Email: belokrylovme@gmail.com
614990, Perm, Russia

D. Claude

Perm Federal Research Center, Ural Branch, Russian Academy of Sciences

Email: belokrylovme@gmail.com
614990, Perm, Russia

Yu. A. Konstantinov

Perm Federal Research Center, Ural Branch, Russian Academy of Sciences

Email: belokrylovme@gmail.com
614990, Perm, Russia

P. V. Karnaushkin

Perm Federal Research Center, Ural Branch, Russian Academy of Sciences; Perm State University

Email: belokrylovme@gmail.com
614990, Perm, Russia; 614990, Perm, Russia

K. A. Ovchinnikov

Perm Research and Production Instrument-Making Company

Email: belokrylovme@gmail.com
614007, Perm, Russia

V. V. Krishtop

Perm State University; Perm Research and Production Instrument-Making Company; Perm National Research Polytechnic University

Email: belokrylovme@gmail.com
614990, Perm, Russia; 614007, Perm, Russia; 614990, Perm, Russia

D. G. Gilev

Perm State University; Perm Research and Production Instrument-Making Company

Email: belokrylovme@gmail.com
614990, Perm, Russia; 614007, Perm, Russia

F. L. Barkov

Perm Federal Research Center, Ural Branch, Russian Academy of Sciences

Email: belokrylovme@gmail.com
614990, Perm, Russia

R. S. Ponomarev

Perm Federal Research Center, Ural Branch, Russian Academy of Sciences; Perm State University

Author for correspondence.
Email: belokrylovme@gmail.com
614990, Perm, Russia; 614990, Perm, Russia

References

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