Black Phosphorus-Coated Tilted Fiber Bragg Grating For Ultrasensitive Ion Sensing

Chen Liu,Zhengbo Sun,Liang Zhang,Jiancheng Lv,Xue-Feng Yu,Xianfeng F. Chen

2017 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXHIBITION (OFC)（2017）

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摘要

We propose an ultrasensitive ion sensor based on black phosphorus coated 81 degrees-tilted fiber grating for Pb2+ ion detection, demonstrating significant performance of ultrahigh sensitivity (8.6x10(-5)dB/ppb), lower detection limit (0.4ppb) and wider concentration range (0.1ppb similar to 1.5 x10(7)ppb).

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关键词

black phosphorus-coated tilted fiber Bragg grating,lead ion detection,Pb2+

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