Photonic sensor with radio frequency power detection for body pressure monitoring

doi:https://doi.org/10.1007/s11801-023-3110-1

Home > Archive>Volume 19, Issue 12, 2023 >752-755. DOI:https://doi.org/10.1007/s11801-023-3110-1

Photonic sensor with radio frequency power detection for body pressure monitoring
DOI:
                        https://doi.org/10.1007/s11801-023-3110-1
                    
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                        ZHAO Zhiying1ZHAO Zhiying
Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu 610072, China
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CHEN Jixin2CHEN Jixin
Institute for Cyber Security, University of Electronic Science and Technology of China, Chengdu 611731, China
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YANG Jieqing2YANG Jieqing
Institute for Cyber Security, University of Electronic Science and Technology of China, Chengdu 611731, China
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JIANG Quan3JIANG Quan
School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China
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Affiliation:1. Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu 610072, China;2. Institute for Cyber Security, University of Electronic Science and Technology of China, Chengdu 611731, China;3. School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China
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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.

Reference

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ZHAO Zhiying, CHEN Jixin, YANG Jieqing, JIANG Quan. Photonic sensor with radio frequency power detection for body pressure monitoring[J]. Optoelectronics Letters,2023,19(12):752-755

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Received:June 20,2023
Revised:August 04,2023
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Online: December 08,2023
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