[WC3] Imaging and Health Monitoring

[WC3-3] Non-invasive Vital Signs Monitoring Based on Polarization Maintaining Fiber and Sagnac Interferometer

〇Jiaqi Qu^1,2, Ying Shen^2,4, Wei Xu³, Fengze Tan⁵, Changyuan Yu^2,5, Cheungchuen Yu³ (¹Univ. of Electronic Science and Technology of China, China, ²National Univ. of Singapore (Suzhou) Research Institute, China, ³Anlight Optoelectronic Technology Inc., China, ⁴Soochow Univ., China, ⁵The Hong Kong Polytechnic Univ., Hong Kong)

Keywords:Non-invasive, Vital signs monitoring, Polarization maintaining fiber, Sagnac interferometer

Non-invasive vital sign monitor is proposed and investigated theoretically and experimentally based on polarization maintaining fiber and Sagnac interferometer, realizing real-time breath and heartbeat monitoring.