Metal-assisted guided-mode resonance device for biosensing

Sheng-Fu Lin; Wen-Yih Chen; Jenq-Yang Chang

doi:10.1117/12.907589

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30 January 2012 Metal-assisted guided-mode resonance device for biosensing

Sheng-Fu Lin, Wen-Yih Chen, Jenq-Yang Chang

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Proceedings Volume 8218, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XII; 82180G (2012) https://doi.org/10.1117/12.907589
Event: SPIE BiOS, 2012, San Francisco, California, United States

Abstract

In this study, a metal assisted guide mode resonance device for bioanalytical applications is proposed. The particular spectrum inversion property and its resonance mechanism are discussed. The metal assisted guided mode resonance eliminates evanescent wave distributed in substrate and provides a strongly asymmetric modal profile; the evanescent wave is one fold enhanced in top medium. The intrinsic bulk sensitivity achieves 337.5 in a fundamental TM mode resonating at 800nm with 1st diffraction angle.

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Sheng-Fu Lin, Wen-Yih Chen, and Jenq-Yang Chang "Metal-assisted guided-mode resonance device for biosensing", Proc. SPIE 8218, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XII, 82180G (30 January 2012); https://doi.org/10.1117/12.907589

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