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Proceedings Paper

Fabry-Pérot interference enhanced surface plasmon resonance sensor
Author(s): Ming-Je Sung; Chun-Chia Chiu; Ding-Wei Huang
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Paper Abstract

A Fabry-Perot interference enhanced surface plasmon resonance (SPR) sensor was designed and analyzed numerically. In this paper, a micro-fluidic channel with two parallel interfaces formed on the metal film of an angularinterrogated SPR sensor was employed. The shift of the narrow reflection dips as a function of the refractive index change of the fluid (angular sensitivity Sθ ) was very high. Meanwhile, the angular dip width δθFWHM was very narrow (<0.01°) and can be adjusted by changing the thickness of the resonant cavity. The corresponding intrinsic sensitivity IS = SθθFWHM higher than 105 RIU-1 around the resonant angle can be achieved.

Paper Details

Date Published: 9 November 2010
PDF: 6 pages
Proc. SPIE 7853, Advanced Sensor Systems and Applications IV, 78530V (9 November 2010); doi: 10.1117/12.870613
Show Author Affiliations
Ming-Je Sung, National Taiwan Univ. (Taiwan)
Chun-Chia Chiu, National Taiwan Univ. (Taiwan)
Ding-Wei Huang, National Taiwan Univ. (Taiwan)

Published in SPIE Proceedings Vol. 7853:
Advanced Sensor Systems and Applications IV
Brian Culshaw; Yanbiao Liao; Anbo Wang; Xiaoyi Bao; Xudong Fan; Lin Zhang, Editor(s)

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