Gas sensors for refractive index detection using surface plasmon resonance on nanosystem

Hua-Jun Zhao; Yong-You Tian; Ju-Hua Lei

doi:10.1117/12.2068534

21 August 2014 Gas sensors for refractive index detection using surface plasmon resonance on nanosystem

Hua-Jun Zhao, Yong-You Tian, Ju-Hua Lei

Proceedings Volume 9233, International Symposium on Photonics and Optoelectronics 2014; 92332B (2014) https://doi.org/10.1117/12.2068534
Event: International Symposium on Photonics and Optoelectronics (SOPO 2014), 2014, Suzhou, China

Abstract

A plasmonic device for gas sensor is investigated for refractive index detection using surface plasmon resonance (SPR). The sensor device consists of nano-cavity antennas formed by metallic rectangular nanostrip array over a metal film, which monitors the changes of the refractive index by measuring the spectral shift of the resonance angle dip. The average detection sensitivity of the gas sensor is about 136 ° / RIU (refractive index units) for SPR excitation at 1550 nm telecommunication wavelength.

Citation Download Citation

Hua-Jun Zhao, Yong-You Tian, and Ju-Hua Lei "Gas sensors for refractive index detection using surface plasmon resonance on nanosystem", Proc. SPIE 9233, International Symposium on Photonics and Optoelectronics 2014, 92332B (21 August 2014); https://doi.org/10.1117/12.2068534

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