28 September 2015 Compensation of optical source phase noise in long-range OFDR by using an optical fiber delay loop
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Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 96342Y (2015) https://doi.org/10.1117/12.2195321
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil
Abstract
We demonstrate a novel method to compensate the optical source phase noise in long-range OFDR by using an optical fiber delay loop (OFDL). In this method, a 10 km OFDL is incorporated in the reference interferometer of the reflectometry. A frequency shifter is used to count the circulation rounds of the light traveling in OFDL. The preliminary “proof-of-concept” experiment shows a successful compensation effect and an 11 cm spatial resolution over 20 km measurement range is realized by this method.
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Bin Wang, Bin Wang, Xinyu Fan, Xinyu Fan, Qingwen Liu, Qingwen Liu, Zuyuan He, Zuyuan He, } "Compensation of optical source phase noise in long-range OFDR by using an optical fiber delay loop", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96342Y (28 September 2015); doi: 10.1117/12.2195321; https://doi.org/10.1117/12.2195321
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