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18 April 2021 Phase-frequency time-gated reflectometry for absolute measurements
V. A. Yatseev, O. V. Butov
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Proceedings Volume 11772, Optical Sensors 2021; 1177215 (2021) https://doi.org/10.1117/12.2589223
Event: SPIE Optics + Optoelectronics, 2021, Online Only
Abstract
The paper discusses a new method that combines the frequency and phase domains-gated reflectometry. This approach can be applied to a fiber with artificial reflectors to measure the absolute values of the optical paths between reflection points in the fiber in the entire frequency range of the signal, including the zero frequency.
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V. A. Yatseev and O. V. Butov "Phase-frequency time-gated reflectometry for absolute measurements", Proc. SPIE 11772, Optical Sensors 2021, 1177215 (18 April 2021); https://doi.org/10.1117/12.2589223
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KEYWORDS
Reflectometry
Phase measurement
Reflectors
Temperature metrology
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