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Ultrasensitive refractive index sensor based on twin-core photonic bandgap fibers

Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.14/119694

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Title: Ultrasensitive refractive index sensor based on twin-core photonic bandgap fibers
Related: International Conference on Optical Fiber Sensors (20th : 2009) (5 - 9 October 2009 : Edinburgh, Scotland)
Related: Jones, Julian D. C.. 20th International Conference on Optical Fibre Sensors : 5-9 October 2009, Edinburgh, Scotland, United Kingdom, p.75035A-1-75035A-4
DOI: 10.1117/12.835326
Related: Proceedings of SPIE Vol. 7503
Publisher: Bellingham, Washington : SPIE
Date: 2009
FoR/RFCD Code(s): 090600 Electrical and Electronic Engineering 130100 Education Systems
Author/Creator: Yuan, Wu
Author/Creator: Town, Graham E
Author/Creator: Bang, Ole
Description: We have theoretically investigated twin-core all-solid photonic bandgap fibers (PBGFs) for evanescent wave sensing of refractive index within one single microfluidic analyte channel centered between the two cores. The sensor can achieve ultrahigh sensitivity by detecting the change in transmission. We find novel features in the sensing characteristics: the sensitivity is higher at the short wavelength edge of a bandgap than at the long wavelength edge, the effective index of the odd supermode (nodd) is more sensitive to ambient refractive index change compared with that of the even supermode (neven).
Description: 4 page(s)
Subject Keyword: 090600 Electrical and Electronic Engineering
Subject Keyword: 130100 Education Systems
Subject Keyword: fiber sensor
Subject Keyword: photonic bandgap fiber
Subject Keyword: directional coupler
Resource Type: conference paper
Organisation: Macquarie University. Dept. of Physics and Engineering

Identifier: http://hdl.handle.net/1959.14/119694
Identifier: ISBN:9780819478146
Identifier: ISSN:0277-786X
Identifier: mq-rm-2009004067
Language: eng
Rights: Copyright 2009 Society of Photo Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
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