Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/100306
Title: Microfiber Fabry–Perot interferometer fabricated by taper-drawing technique and its application as a radio frequency interrogated refractive index sensor
Authors: Zhang, Jiejun
Sun, Qizhen
Liang, Ruibing
Wo, Jianghai
Liu, Deming
Shum, Perry Ping
Keywords: DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2012
Source: Zhang, J., Sun, Q., Liang, R., Wo, J., Liu, D., & Shum, P. (2012). Microfiber Fabry–Perot interferometer fabricated by taper-drawing technique and its application as a radio frequency interrogated refractive index sensor. Optics Letters, 37(14), 2925-2927.
Series/Report no.: Optics letters
Abstract: We propose a novel fiber Fabry–Perot interferometer (FPI) that incorporates a length of microfiber as its cavity and two fiber Bragg gratings (FBGs) as reflectors. The microfiber FPI is simply fabricated by flame-heated taper-drawing the central spot of an FBG into a section of microfiber. Ambient refractive index (RI) influences the effective index of microfiber, and thus the free spectrum range of the microfiber FPI, resulting in RI sensing. A dual-wavelength fiber laser based on the microfiber FPI is constructed, enabling radio frequency interrogation with high resolution. RI sensitivity of 911  MHz/RIU is experimentally demonstrated for microfiber FPI with equivalent diameter of 1.455 μm. Simulation results indicate that the sensitivity can be further enhanced by reducing the diameter of the microfiber.
URI: https://hdl.handle.net/10356/100306
http://hdl.handle.net/10220/10977
ISSN: 0146-9592
DOI: http://dx.doi.org/10.1364/OL.37.002925
Rights: © 2012 Optical Society of America. This paper was published in Optics Letters and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI: [http://dx.doi.org/10.1364/OL.37.002925]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
metadata.item.grantfulltext: open
metadata.item.fulltext: With Fulltext
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