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This article is cited in 24 scientific papers (total in 24 papers)
Selection of reports presented at the 7th All-Russian Conference on Fiber Optics (8-11 October 2019, Perm) (edited compiled by S.L.Semjonov)
Coherent optical frequency-domain reflectometer based on a fibre laser with frequency self-scanning
A. Yu. Tkachenkoa, I. A. Lobachab, S. I. Kablukovab a Institute of Automation and Electrometry, Siberian Branch of Russian Academy of Sciences, Novosibirsk
b Novosibirsk State University
Abstract:
The first results of an experimental study of a coherent optical frequency-domain reflectometer (C-OFDR) based on a simple single-frequency fibre laser with frequency self-scanning are presented. The self-scanning laser generates microsecond pulses, and its lasing frequency changes linearly with a change in the pulse number without using any actively tuned elements. In addition, the generation of each pulse occurs on only one longitudinal mode with a linewidth less than 1 MHz. This laser is characterised by a high linearity of frequency tuning, due to which reflectograms can be measured without any additional spectral correction. The C-OFDR demonstrates a possibility of attaining a spatial sampling of ~200 μm and a reflectance sensitivity of approximately down to –80 dB at a test line length of ~9 m.
Keywords:
coherent optical frequency-domain reflectometer, selfscanning fibre laser, tunable laser, fibre sensor, reflectometry.
Received: 21.10.2019
Citation:
A. Yu. Tkachenko, I. A. Lobach, S. I. Kablukov, “Coherent optical frequency-domain reflectometer based on a fibre laser with frequency self-scanning”, Kvantovaya Elektronika, 49:12 (2019), 1121–1126 [Quantum Electron., 49:12 (2019), 1121–1126]
Linking options:
https://www.mathnet.ru/eng/qe17168 https://www.mathnet.ru/eng/qe/v49/i12/p1121
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Abstract page: | 229 | Full-text PDF : | 129 | References: | 27 | First page: | 6 |
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