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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 27, Iss. 21 — Nov. 1, 2009
  • pp: 4804–4808

Influence of Mode Loss on the Feasibility of Grating-Assisted Optical Fiber Surface Plasmon Resonance Refractive Index Sensors

Yu-Chun Lu, Wei-Ping Huang, and Shui-Sheng Jian

Journal of Lightwave Technology, Vol. 27, Issue 21, pp. 4804-4808 (2009)


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Abstract

In this paper, the influence of mode loss on the feasibility of grating-assisted optical fiber surface plasmon resonance (SPR) refractive index (RI) sensors is investigated. The loss of surface plasmon polarition (SPP) mode plays a key role in the design and implementation of such sensors. It is demonstrated through simulation that the grating length should be smaller than or comparable with the propagation length of SPP mode in order to achieve effective coupling. The loss of SPP mode is the severe limiting factor for the implementation of the grating-assisted SPR-RI sensors. More generally, in order to achieve effective mode coupling with the help of waveguide grating, the grating length is bounded by the shortest propagation length of the modes in lossy waveguides.

© 2009 IEEE

Citation
Yu-Chun Lu, Wei-Ping Huang, and Shui-Sheng Jian, "Influence of Mode Loss on the Feasibility of Grating-Assisted Optical Fiber Surface Plasmon Resonance Refractive Index Sensors," J. Lightwave Technol. 27, 4804-4808 (2009)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-27-21-4804

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