ZHAO Zhiying,CHEN Jixin,YANG Jieqing,JIANG Quan.Photonic sensor with radio frequency power detection for body pressure monitoring[J].Optoelectronics Letters,2023,(12):752-755 Photonic sensor with radio frequency power detection for body pressure monitoring Author Name Affiliation ZHAO Zhiying  Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu 610072, China  CHEN Jixin  Institute for Cyber Security, University of Electronic Science and Technology of China, Chengdu 611731, China  YANG Jieqing  Institute for Cyber Security, University of Electronic Science and Technology of China, Chengdu 611731, China  JIANG Quan  School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China  Abstract:       A photonic sensor with radio frequency (RF) power detection for body pressure monitoring is proposed. The sensor based on two fiber Bragg gratings (FBGs) can transfer the wavelength shift to the change of RF power. The pressure can be measured by modulating and processing one single frequency RF signal. The theoretical analysis and experimental results of the photonic sensor are presented and discussed. The pressure sensitivities are acquired with 2.62?10-5 mW/kPa at 2.14 GHz, 2.46?10-5 mW/kPa at 2.21 GHz, 2.81?10-5 mW/kPa at 2.37 GHz, and 3.02?10-5 mW/kPa at 2.45 GHz, respectively. Furthermore, the pressure measurements of pressed body parts are also obtained by the sensor. Hits: 111 Download times: 0 View Full Text    Download reader