- Zhao Zhiying 1
Zhao Zhiying
Sichuan Provincial People’s Hospital
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chen jixin
Institute for Cyber Security
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1.Sichuan Provincial People’s Hospital;2.Institute for Cyber Security
the Key R&D Project of Science and Technology Department of Sichuan Province (No. 2023YFS0122) , the Health Research Project for Cadres of Sichuan Province (No. 2022-204)
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A photonic sensor with radio frequency (RF) power detection for body pressure monitoring is proposed. The sensor based on two 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 2.62e-5mW/kPa at 2.14GHz, 2.46e0-5mW/kPa at 2.21GHz, 2.81e-5 mW/kPa at 2.37GHz and 3.02e-5 mW/kPa at 2.45GHz, respectively. Furthermore, the pressure measurements of pressed body parts are also obtained by the sensor.
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History
- Received:June 20,2023
- Revised:August 04,2023
- Adopted:September 01,2023
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