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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 15 — May. 20, 2012
  • pp: 3096–3103

Fluidic sensor based on the side-opened and suspended dual-core fiber

Guanjun Wang, Jiansheng Liu, Zheng Zheng, Yi Yang, Jing Xiao, Shuna Li, and Yusheng Bian  »View Author Affiliations


Applied Optics, Vol. 51, Issue 15, pp. 3096-3103 (2012)
http://dx.doi.org/10.1364/AO.51.003096


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Abstract

For accelerating the response and enhancing the sensitivity simultaneously, a novel fluidic sensor based on a side-opened and suspended dual-core fiber and dual-beam interference detection mechanism is first explored and analyzed here. The side opening ensures a fast response by allowing fluidic analyte to approach the fiber core laterally. The dual-beam Mach–Zehnder interferemetry provides a relative higher sensitivity. Calculation results show that a sensitivity of 2.1×106 refractive index unit (RIU) within a response time of 10 s could be achievable, which reflects its potential impact on constructing a fluid refractometer for fast-response and high-sensitivity detection. Moreover, the relationship of the sensing sensitivity and the detected dynamic range of this suspended dual-core fiber structure, polarization, and the transmitting waveband are also analyzed.

© 2012 Optical Society of America

OCIS Codes
(050.5080) Diffraction and gratings : Phase shift
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.4005) Fiber optics and optical communications : Microstructured fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: November 18, 2011
Revised Manuscript: February 19, 2012
Manuscript Accepted: February 21, 2012
Published: May 18, 2012

Virtual Issues
Vol. 7, Iss. 7 Virtual Journal for Biomedical Optics

Citation
Guanjun Wang, Jiansheng Liu, Zheng Zheng, Yi Yang, Jing Xiao, Shuna Li, and Yusheng Bian, "Fluidic sensor based on the side-opened and suspended dual-core fiber," Appl. Opt. 51, 3096-3103 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-15-3096

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