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Proceedings Paper

Optical frequency domain reflectometry based on self-sweeping fiber laser
Author(s): Alina Yu. Tkachenko; Ivan A. Lobach; Sergey I. Kablukov
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Paper Abstract

The paper presents the first experimental results on operation of an optical frequency domain reflectometer (OFDR) based on a self-sweeping fiber laser. Frequency tuning in this laser is performed without actively tunable elements. Its intensity dynamics consists of regular microsecond pulses. The self-sweeping laser has high linearity of frequency tuning, which allows us to measure the reflectograms without additional spectral correction. The OFDR demonstrates capability of operation with spatial sampling of ~ 200 μm and sensitivity down to ~ -80 dB with line length of up to 9 meters.

Paper Details

Date Published: 28 August 2019
PDF: 4 pages
Proc. SPIE 11199, Seventh European Workshop on Optical Fibre Sensors, 111992H (28 August 2019); doi: 10.1117/12.2541275
Show Author Affiliations
Alina Yu. Tkachenko, Institute of Automation and Electrometry of the SB RAS (Russian Federation)
Ivan A. Lobach, Institute of Automation and Electrometry of the SB RAS (Russian Federation)
Novosibirsk State Univ. (Russian Federation)
Sergey I. Kablukov, Institute of Automation and Electrometry of the SB RAS (Russian Federation)
Novosibirsk State Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 11199:
Seventh European Workshop on Optical Fibre Sensors
Kyriacos Kalli; Sinead O. O'Keeffe; Gilberto Brambilla, Editor(s)

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