High speed TFBG-SPR sensing demodulation system based on microwave photonics interrogation

Yuan Cao; Guangying Wang; Xuejun Zhang; Youxue Kong; Xudong Wang; Jiejun Zhang; Tuan Guo; Xinhuan Feng; Bai-ou Guan

doi:10.1117/12.2523905

10 May 2019 High speed TFBG-SPR sensing demodulation system based on microwave photonics interrogation

Yuan Cao, Guangying Wang, Xuejun Zhang, Youxue Kong, Xudong Wang, Jiejun Zhang, Tuan Guo, Xinhuan Feng, Bai-ou Guan

Proceedings Volume 11068, Second Symposium on Novel Technology of X-Ray Imaging; 110680S (2019) https://doi.org/10.1117/12.2523905
Event: Second Symposium on Novel Technology of X-Ray Imaging, 2018, Hefei, China

Abstract

A high speed TFBG-SPR sensing demodulation system based on microwave photonics interrogation is proposed theoretically. The wavelength shifting of the SPR envelope in optical domain is converted to the microwave pulse shifting in time domain. The RI resolution is improved by one order of magnitude compared with wavelength demodulation, and the sensing speed is as high as 40 KHz.

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Yuan Cao, Guangying Wang, Xuejun Zhang, Youxue Kong, Xudong Wang, Jiejun Zhang, Tuan Guo, Xinhuan Feng, and Bai-ou Guan "High speed TFBG-SPR sensing demodulation system based on microwave photonics interrogation", Proc. SPIE 11068, Second Symposium on Novel Technology of X-Ray Imaging, 110680S (10 May 2019); https://doi.org/10.1117/12.2523905

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