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Conferences > APOS > 2016 > Th4A > Th4A.25

A refractive-index sensor based on hollow-core silica tube

Yijian Huang, Ying Wang, Mi Deng, Shen Liu, Changrui Liao, and Yiping Wang

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Abstract

A novel design for a compact fiber-optic sensor based on a multimode interference self-imaging phenomenon is presented. The samples fabricate only involving a fusion splicer between hollow-core silica tube and standard SMF. A sample with 14 mm hollow-core silica tube length be used to the measurement of refractive index, such a sensor exhibits an average sensitivity of 2548nm/RIU for the 1.42-1.442 refractive index range.

© 2016 Optical Society of America

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