期刊
OPTICS EXPRESS
卷 26, 期 20, 页码 25989-26002出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.26.025989
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资金
- National Natural Science Foundation of China [61705057]
- Natural Science Foundation of Hebei Province [F2016201023]
- Technology Foundation for Selected Overseas Chinese Scholar of MOHRSS [CG2015003006]
- Research Start-up Foundation of High-Level Talents Introduction [8012605]
- General Photonics Corporation
We describe a first distributed polarization analysis (DPA) system using binary polarization rotators in an optical frequency domain reflectonneter (OFDR) capable of measuring the variations of polarization states along a single-mode fiber (SMF). We demonstrate using such a DPA system to accurately measure the distance-resolved birefringence with 12 fiber loops of different radii with different birefringence values along a length of SMF and obtain a bending-induced birefringence coefficient (BBC) of 6.601 x 10(-10) m(2), agreeing well with the theoretically estimated value of 5.334 x 10(-10) m(2). To further verify the measurement accuracy, we obtain the birefringence values of the 12 fiber loops of different radii one at a time using a non-distributed polarization analysis system with an accuracy traceable to a birefringence standard made with a quartz crystal, and obtain a BBC value of 6.490 x 10(-10) m(2), agreeing well with our distributed measurement with a relative error of only 1.68%. In addition, we measure the residual birefringence of the SMF with both distributed and non-distributed polarization analysis systems and obtain similar results with a relative error of only 0.59%. Our experiments not only validate the performances of our DPA system, but also the first to use DPA to experimentally obtain the accurate birefringence values along the SMF and verify the theory of bending-induced birefringence. Our work further proves that such an OFDR-based DPA system is a practical tool for optical component characterization, nondestructive optical material inspection, and distributed fiber optic transversal stress sensing. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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