UV-Curable Polymer Microhemisphere-Based Fiber-Optic Fabry–Perot Interferometer for Simultaneous Measurement of Refractive Index and Temperature

A fiber-optic Fabry-Perot interferometer based on UV-curable polymer microhemisphere is proposed and demonstrated. The polymer microhemisphere is formed by adhering and solidifying a liquid microdroplet of UV-curable adhesive to the end face of a cleaved single-mode fiber. The height of polymer micr...

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Main Authors: X. L. Tan, Y. F. Geng, X. J. Li, Y. L. Deng, Z. Yin, R. Gao
Format: Article
Language:English
Published: IEEE 2014-01-01
Series:IEEE Photonics Journal
Online Access:https://ieeexplore.ieee.org/document/6842650/
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spelling doaj-73b7977a0f294dc689d6ba7f6d295b372021-03-29T17:18:31ZengIEEEIEEE Photonics Journal1943-06552014-01-01641810.1109/JPHOT.2014.23324606842650UV-Curable Polymer Microhemisphere-Based Fiber-Optic Fabry–Perot Interferometer for Simultaneous Measurement of Refractive Index and TemperatureX. L. Tan0Y. F. Geng1X. J. Li2Y. L. Deng3Z. Yin4R. Gao5Shenzhen Key Lab. of Sensor Technol., Shenzhen Univ., Shenzhen, ChinaShenzhen Key Lab. of Sensor Technol., Shenzhen Univ., Shenzhen, ChinaShenzhen Key Lab. of Sensor Technol., Shenzhen Univ., Shenzhen, ChinaShenzhen Key Lab. of Sensor Technol., Shenzhen Univ., Shenzhen, ChinaShenzhen Key Lab. of Sensor Technol., Shenzhen Univ., Shenzhen, ChinaShenzhen Key Lab. of Sensor Technol., Shenzhen Univ., Shenzhen, ChinaA fiber-optic Fabry-Perot interferometer based on UV-curable polymer microhemisphere is proposed and demonstrated. The polymer microhemisphere is formed by adhering and solidifying a liquid microdroplet of UV-curable adhesive to the end face of a cleaved single-mode fiber. The height of polymer microhemisphere could be flexibly controlled by adjusting the diameter of a single-mode fiber. The theoretical and experimental results demonstrate that the refractive index (RI) and the temperature of external environment can be simultaneously measured by the fringe contrast variation and the wavelength shift of reflection spectra separately, alleviating the cross sensitivity effectively. The obtained temperature and RI sensitivities are about 0.19 nm/°C and 260 dB/RIU in the RI range of 1.38-1.42.https://ieeexplore.ieee.org/document/6842650/
collection DOAJ
language English
format Article
sources DOAJ
author X. L. Tan
Y. F. Geng
X. J. Li
Y. L. Deng
Z. Yin
R. Gao
spellingShingle X. L. Tan
Y. F. Geng
X. J. Li
Y. L. Deng
Z. Yin
R. Gao
UV-Curable Polymer Microhemisphere-Based Fiber-Optic Fabry–Perot Interferometer for Simultaneous Measurement of Refractive Index and Temperature
IEEE Photonics Journal
author_facet X. L. Tan
Y. F. Geng
X. J. Li
Y. L. Deng
Z. Yin
R. Gao
author_sort X. L. Tan
title UV-Curable Polymer Microhemisphere-Based Fiber-Optic Fabry–Perot Interferometer for Simultaneous Measurement of Refractive Index and Temperature
title_short UV-Curable Polymer Microhemisphere-Based Fiber-Optic Fabry–Perot Interferometer for Simultaneous Measurement of Refractive Index and Temperature
title_full UV-Curable Polymer Microhemisphere-Based Fiber-Optic Fabry–Perot Interferometer for Simultaneous Measurement of Refractive Index and Temperature
title_fullStr UV-Curable Polymer Microhemisphere-Based Fiber-Optic Fabry–Perot Interferometer for Simultaneous Measurement of Refractive Index and Temperature
title_full_unstemmed UV-Curable Polymer Microhemisphere-Based Fiber-Optic Fabry–Perot Interferometer for Simultaneous Measurement of Refractive Index and Temperature
title_sort uv-curable polymer microhemisphere-based fiber-optic fabry–perot interferometer for simultaneous measurement of refractive index and temperature
publisher IEEE
series IEEE Photonics Journal
issn 1943-0655
publishDate 2014-01-01
description A fiber-optic Fabry-Perot interferometer based on UV-curable polymer microhemisphere is proposed and demonstrated. The polymer microhemisphere is formed by adhering and solidifying a liquid microdroplet of UV-curable adhesive to the end face of a cleaved single-mode fiber. The height of polymer microhemisphere could be flexibly controlled by adjusting the diameter of a single-mode fiber. The theoretical and experimental results demonstrate that the refractive index (RI) and the temperature of external environment can be simultaneously measured by the fringe contrast variation and the wavelength shift of reflection spectra separately, alleviating the cross sensitivity effectively. The obtained temperature and RI sensitivities are about 0.19 nm/°C and 260 dB/RIU in the RI range of 1.38-1.42.
url https://ieeexplore.ieee.org/document/6842650/
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