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In-situ protein detection based on cut-off mode monitoring of a tilted fiber Bragg grating biosensor

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Abstract

Tilted fiber Bragg grating biosensor with refractive index sensitivity up to ~2000 dB/RIU over the range of 1.33 and 1.34 RIU has been demonstrated. In-situ protein detection with concentration of 2.5 uM has been achieved.

© 2015 Optical Society of America

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