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Low-coherent WDM reflectometry for accurate fiber length monitoring
Hui, Rongqing Thomas, J. Allen, Christopher Thomas Fu, Biao Gao, Shuang
Hui, Rongqing
Thomas, J.
Allen, Christopher Thomas
Fu, Biao
Gao, Shuang
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Abstract
A fiber-optic low-coherent reflectometer was developed to accurately monitor fiber length variation. A large length-coverage range was obtained by using a fiber Bragg grating array in a wavelength-division-multiplexing configuration. The polarization mismatch-induced signal fading was eliminated by applying a polarization spreading technique at the optical receiver and, therefore, no active polarization adjustment was necessary for long-term measurement.
Description
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Date
2003-01
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Research Projects
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Keywords
Optical delay lines, Optical distance measurement, Optical fiber measurement, Optical interferometry, Optical polarization
Citation
Hui, R; Thomas, J; Allen, C; Fu, B; Gao, S. Low-coherent WDM reflectometry for accurate fiber length monitoring. IEEE PHOTONICS TECHNOLOGY LETTERS. January 2003. 15(1) : 96-98