Journal
OPTICS AND SPECTROSCOPY
Volume 127, Issue 4, Pages 664-668Publisher
PLEIADES PUBLISHING INC
DOI: 10.1134/S0030400X19100199
Keywords
Raman scattering; scattering pattern; Stokes and anti-Stokes components
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Funding
- Russian Science Foundation [19-72-00090]
- Russian Science Foundation [19-72-00090] Funding Source: Russian Science Foundation
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The testing of an all-fiber erbium ultrashort pulsed laser in a distributed fiber temperature sensor as a source of probing pulses has been performed. Among the prospects of such an approach are an improved signal-noise ratio in the receiving system and a better spatial resolution of the temperature sensor. The experiments have revealed the factors that limit the effective length of the fiber temperature sensor, such as a high pulse repetition frequency and intrinsic laser noises. As a result of the performed work, the distributed fiber optical temperature sensor with a near-room-temperature resolution of similar to 1.5 K, an effective length of similar to 3 m, and a spatial resolution of similar to 10 cm has been developed.
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