Plasmons based optical-fiber biosensors created from gold coating tilted Bragg gratings have been demonstrated. Plasmon resonances in the transmission are used to detect the banding of single stranded DNA (aptamer) and the further banding of target DNA (matched one).

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Keywords biosensors, fiber grating, surface plasmon resonance
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Conference 3rd Asia Pacific Optical Sensors Conference
Guo, T, Guan, B. (Baiou), Shevchenko, Y.Y. (Yanina Y.), & Albert, J. (2012). Optical-fiber biosensors using plasmons excited tilted fiber gratings. Presented at the 3rd Asia Pacific Optical Sensors Conference. doi:10.1117/12.915808