Theoretical and experimental study on etched fiber Bragg grating cladding mode resonances for ambient refractive index sensing
JOSA B, Vol. 24, Issue 3, pp. 439-445 (2007)
http://dx.doi.org/10.1364/JOSAB.24.000439
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Abstract
The theoretical model of etched fiber Bragg grating (FBG) backward cladding-mode resonances for ambient refractive index sensing is presented. The dependent behaviors of the mode resonances have been analyzed in the etching process and the ambient refractive index changed. The analysis is based on the classical coupling-mode theory while considering interactions among multiple modes and developed on a three-layer step-index fiber geometry. Experimental data match the theoretical model wonderfully. This model not only describes the relationship between the FBG backward cladding-mode resonances and the ambient index but also is valuable for the design of a flexible highly sensitive ambient index sensor.
© 2007 Optical Society of America
OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(170.1580) Medical optics and biotechnology : Chemometrics
ToC Category:
Fiber Optics and Optical Communications
History
Original Manuscript: August 22, 2006
Revised Manuscript: October 9, 2006
Manuscript Accepted: October 15, 2006
Published: February 15, 2007
Virtual Issues
Vol. 2, Iss. 4 Virtual Journal for Biomedical Optics
Citation
Na Chen, Binfeng Yun, Yiping Wang, and Yiping Cui, "Theoretical and experimental study on etched fiber Bragg grating cladding mode resonances for ambient refractive index sensing," J. Opt. Soc. Am. B 24, 439-445 (2007)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-24-3-439
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