Refractive index sensing using V-shaped polymer optical fibers

Heeyoung Lee; Neisei Hayashi; Yosuke Mizuno; Kentaro Nakamura

doi:10.7567/JJAP.54.118001

Refractive index sensing using V-shaped polymer optical fibers

Heeyoung Lee, Neisei Hayashi, Yosuke Mizuno, Kentaro Nakamura

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Although polymer optical fiber (POF) tapers with high flexibility have been used to measure the refractive indices (RIs) of liquids, their fabrication have caused some inconvenience including the need to use external heat sources or chemicals. Here, as an alternative, we develop a simple, secure, and low-cost method of measuring RIs of liquids using V-shaped bent POFs. When the bending angle is 120° (experimentally optimized), with increasing RI, the transmitted power increases almost linearly with a dependence coefficient of approximately 210 dB/RI unit.

Original language	English
Article number	118001
Journal	Japanese Journal of Applied Physics
Volume	54
Issue number	11
DOIs	https://doi.org/10.7567/JJAP.54.118001
Publication status	Published - 2015 Nov
Externally published	Yes

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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