Sensitivity investigation of the microfiber-toslab evanescent wave sensors

Microfiber-to-slab sensor is comprised of a tapered fiber in evanescent contact with a multimode slab waveguide. The effects of the sensor configuration parameters on its evanescent wave sensitivity were investigated through theoretical analysis. On the basis of that, the rules for fabricating a mic...

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Main Author: Li Xianli
Format: Article
Language:English
Published: EDP Sciences 2018-01-01
Series:MATEC Web of Conferences
Online Access:https://doi.org/10.1051/matecconf/201818911003
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author Li Xianli
author_facet Li Xianli
author_sort Li Xianli
collection DOAJ
description Microfiber-to-slab sensor is comprised of a tapered fiber in evanescent contact with a multimode slab waveguide. The effects of the sensor configuration parameters on its evanescent wave sensitivity were investigated through theoretical analysis. On the basis of that, the rules for fabricating a microfiber-to-slab sensor with high device sensitivity were presented. By optimizing geometry parameters, it was shown that the resonant wavelength sensitivity can be as high as nearly 20000 nm/RIU. The conclusions derived from our work may be used for design and optimization of microfiber-to-slab devices for practical applications.
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spelling doaj.art-2341dee400644fafac2fbe18676077cc2022-12-21T21:31:37ZengEDP SciencesMATEC Web of Conferences2261-236X2018-01-011891100310.1051/matecconf/201818911003matecconf_meamt2018_11003Sensitivity investigation of the microfiber-toslab evanescent wave sensorsLi XianliMicrofiber-to-slab sensor is comprised of a tapered fiber in evanescent contact with a multimode slab waveguide. The effects of the sensor configuration parameters on its evanescent wave sensitivity were investigated through theoretical analysis. On the basis of that, the rules for fabricating a microfiber-to-slab sensor with high device sensitivity were presented. By optimizing geometry parameters, it was shown that the resonant wavelength sensitivity can be as high as nearly 20000 nm/RIU. The conclusions derived from our work may be used for design and optimization of microfiber-to-slab devices for practical applications.https://doi.org/10.1051/matecconf/201818911003
spellingShingle Li Xianli
Sensitivity investigation of the microfiber-toslab evanescent wave sensors
MATEC Web of Conferences
title Sensitivity investigation of the microfiber-toslab evanescent wave sensors
title_full Sensitivity investigation of the microfiber-toslab evanescent wave sensors
title_fullStr Sensitivity investigation of the microfiber-toslab evanescent wave sensors
title_full_unstemmed Sensitivity investigation of the microfiber-toslab evanescent wave sensors
title_short Sensitivity investigation of the microfiber-toslab evanescent wave sensors
title_sort sensitivity investigation of the microfiber toslab evanescent wave sensors
url https://doi.org/10.1051/matecconf/201818911003
work_keys_str_mv AT lixianli sensitivityinvestigationofthemicrofibertoslabevanescentwavesensors