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
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Affiliations:
- Perm Federal Research Center, Ural Branch, Russian Academy of Sciences
- Perm State University
- Perm Research and Production Instrument-Making Company
- Perm National Research Polytechnic University
- Issue: No 5 (2023)
- Pages: 56-63
- Section: ОБЩАЯ ЭКСПЕРИМЕНТАЛЬНАЯ ТЕХНИКА
- URL: https://journals.rcsi.science/0032-8162/article/view/138472
- DOI: https://doi.org/10.31857/S0032816223050178
- EDN: https://elibrary.ru/ZUWZBO
- ID: 138472
Cite item
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
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