Ultrasensitive photonic crystal fiber refractive index sensor
Optics Letters, Vol. 34, Issue 3, pp. 322-324 (2009)
http://dx.doi.org/10.1364/OL.34.000322
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Abstract
We introduce a microfluidic refractive index sensor based on a directional coupler architecture using solid-core photonic crystal fibers. The sensor achieves very high sensitivity by coupling the core mode to a mode in the adjacent fluid-filled waveguide that is beyond modal cutoff, and with strong field overlap. We demonstrate the device through the selective infiltration of a single hole with fluid along a microstructured optical fiber. A detection limit of
© 2009 Optical Society of America
OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.4005) Fiber optics and optical communications : Microstructured fibers
(060.5295) Fiber optics and optical communications : Photonic crystal fibers
ToC Category:
Fiber Optics and Optical Communications
History
Original Manuscript: November 11, 2008
Manuscript Accepted: December 5, 2008
Published: January 27, 2009
Virtual Issues
Vol. 4, Iss. 4 Virtual Journal for Biomedical Optics
Citation
Darran K. C. Wu, Boris T. Kuhlmey, and Benjamin J. Eggleton, "Ultrasensitive photonic crystal fiber refractive index sensor," Opt. Lett. 34, 322-324 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-3-322
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