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26 March 2016 Modified technique for differential mode delay map measurement by scanning of input/output ends of tested multimode fiber
Anton V. Bourdine; Vladimir A. Burdin; Stanislav S. Pashin; Denis E. Praporshchikov; Nikita L. Sevruk
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Proceedings Volume 9807, Optical Technologies for Telecommunications 2015; 98071C (2016) https://doi.org/10.1117/12.2234576
Event: XIII International Scientific and Technical Conference on Optical Technologies in Telecommunications, 2015, Ufa, Russian Federation
Abstract
We present modified technique for differential mode delay map measurement. Here according to well-known methods a fast laser pulse is also launched into a tested multimode fiber (MMF) via single mode fiber (SMF), which scans core of MMF under precision offset positions. However unlike known technique formalized in ratified standards, proposed modification differs by addition scanning of the output end of tested MMF by short tail of SMF. Therefore for each radial offset position at the input/output MMF ends, the shape of pulse response of launched optical signal is recorded, that provides to get more informative differential mode delay map. This work presents some results of experimental approbation of proposed modified technique for differential mode delay map measurement.
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Anton V. Bourdine, Vladimir A. Burdin, Stanislav S. Pashin, Denis E. Praporshchikov, and Nikita L. Sevruk "Modified technique for differential mode delay map measurement by scanning of input/output ends of tested multimode fiber", Proc. SPIE 9807, Optical Technologies for Telecommunications 2015, 98071C (26 March 2016); https://doi.org/10.1117/12.2234576
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