Fabry-Pérot interference enhanced surface plasmon resonance sensor

Ming-Je Sung; Chun-Chia Chiu; Ding-Wei Huang

doi:10.1117/12.870613

9 November 2010 Fabry-Pérot interference enhanced surface plasmon resonance sensor

Ming-Je Sung, Chun-Chia Chiu, Ding-Wei Huang

Proceedings Volume 7853, Advanced Sensor Systems and Applications IV; 78530V (2010) https://doi.org/10.1117/12.870613
Event: Photonics Asia 2010, 2010, Beijing, China

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 δθ_FWHM was very narrow (<0.01°) and can be adjusted by changing the thickness of the resonant cavity. The corresponding intrinsic sensitivity IS = S_θ/δθ_FWHM higher than 10⁵ RIU^-1 around the resonant angle can be achieved.

Citation Download Citation

Ming-Je Sung, Chun-Chia Chiu, and Ding-Wei Huang "Fabry-Pérot interference enhanced surface plasmon resonance sensor", Proc. SPIE 7853, Advanced Sensor Systems and Applications IV, 78530V (9 November 2010); https://doi.org/10.1117/12.870613

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