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Modeling optical microfiber loops for seawater sensing |
Applied Optics, Vol. 51, Issue 15, pp. 3017-3023 (2012)
http://dx.doi.org/10.1364/AO.51.003017
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Abstract
Based on resonant and waveguiding properties of optical microfiber loops, we theoretically investigated silica microfiber loop resonators (MLRs) for refractive index (RI) and salinity sensing of seawater. Dependences of sensitivity and detection limit on probing wavelength, fiber diameter, and ring diameter are calculated with typical parameters of seawater. Our results show that the sensitivity of MLRs increases with the increasing wavelength and the decreasing diameter of the microfiber. Bending loss and absorption loss are both important factors to determine the detection limit. By optimizing the parameters of the sensing system, RI sensitivity and salinity detection limit can reach
© 2012 Optical Society of America
OCIS Codes
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(140.4780) Lasers and laser optics : Optical resonators
(060.4005) Fiber optics and optical communications : Microstructured fibers
(010.1030) Atmospheric and oceanic optics : Absorption
ToC Category:
Fiber Optics and Optical Communications
History
Original Manuscript: January 17, 2012
Revised Manuscript: March 29, 2012
Manuscript Accepted: April 1, 2012
Published: May 18, 2012
Virtual Issues
Vol. 7, Iss. 7 Virtual Journal for Biomedical Optics
Citation
Shanshan Wang, Jing Wang, Guoxiang Li, and Limin Tong, "Modeling optical microfiber loops for seawater sensing," Appl. Opt. 51, 3017-3023 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-15-3017
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