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Conference Paper
Conference on Lasers and Electro-Optics
Baltimore, Maryland United States
May 31, 2009 - June 5, 2009
ISBN: 978-1-55752-869-8
Fiber Sensors and Gratings (CThE)

Ultra-Sensitive Photonic Crystal Fiber Refractive Index Sensor

Darran K. Wu, Boris T. Kuhlmey, and Benjamin J. Eggleton


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We introduce a refractive index sensing geometry exploiting modes beyond cutoff in a selectively infiltrated PCF. We demonstrate a detection limit of 4.6x10<sup>-7</sup>RIU and sensitivity of 30,100nm/RIU, a one-order-of-magnitude improvement over previous PCF sensors.

© 2009 The Optical Society

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

D. K. Wu, B. T. Kuhlmey, and B. J. Eggleton, "Ultra-Sensitive Photonic Crystal Fiber Refractive Index Sensor," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (CD) (Optical Society of America, 2009), paper CThE1.

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