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Sensors 2013, 13(1), 956-965; doi:10.3390/s130100956

Surface Plasmon Resonance Sensor Based on Polymer Photonic Crystal Fibers with Metal Nanolayers

* ,
Key Laboratory of Opto-electronics Information Technology (Ministry of Education), College of Precision Instrument and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China
* Author to whom correspondence should be addressed.
Received: 3 December 2012 / Revised: 31 December 2012 / Accepted: 31 December 2012 / Published: 15 January 2013
(This article belongs to the Section Physical Sensors)
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A large-mode-area polymer photonic crystal fiber made of polymethyl methacrylate with the cladding having only one layer of air holes near the edge of the fiber is designed and proposed to be used in surface plasmon resonance sensors. In such sensor, a nanoscale metal film and analyte can be deposited on the outer side of the fiber instead of coating or filling in the holes of the conventional PCF, which make the real time detection with high sensitivity easily to realize. Moreover, it is relatively stable to changes of the amount and the diameter of air holes, which is very beneficial for sensor fabrication and sensing applications. Numerical simulation results show that under the conditions of the similar spectral and intensity sensitivity of 8.3 × 10−5–9.4 × 10−5 RIU, the confinement loss can be increased dramatically.
Keywords: polymer photonic crystal fiber; surface plasmon resonance sensor polymer photonic crystal fiber; surface plasmon resonance sensor
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Lu, Y.; Hao, C.-J.; Wu, B.-Q.; Musideke, M.; Duan, L.-C.; Wen, W.-Q.; Yao, J.-Q. Surface Plasmon Resonance Sensor Based on Polymer Photonic Crystal Fibers with Metal Nanolayers. Sensors 2013, 13, 956-965.

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