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Title: Ultrahigh sensitivity refractive index sensor based on optical microfiber
Authors: Ji, Wen Bin
Liu, Huan Huan
Tjin, Swee Chuan
Chow, Kin Kee
Lim, Anthony
Keywords: DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2012
Source: Ji, W. B., Liu, H. H., Tjin, S. C., Chow, K. K., & Lim, A. (2012). Ultrahigh sensitivity refractive index sensor based on optical microfiber. IEEE photonics technology letters, 24(20), 1872-1874.
Series/Report no.: IEEE photonics technology letters
Abstract: We demonstrate a nonadiabatic microfiber sensor with a taper diameter of few micrometers. The modal interference caused by the abrupt taper results in a sinusoidal spectral response. The wavelength shift arising because of the changes in the external refractive index is found to be significant, achieving a maximum sensitivity of 18681.82 nm/RIU. The measured results show good agreement with the theoretical predictions. The high sensitivity and the simplicity offer the sensor the potential for many real applications.
ISSN: 1041-1135
DOI: 10.1109/LPT.2012.2217738
Rights: © 2012 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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