Vibration Sensor Based On Self-Mixing Interferometry To Identify Human Heart Rate

The monitoring heart rate by vibration sensor based on self-mixing interferometry (SMI) had been done. Experimental schemes and the performance of vibration sensor based on SMI as a function of frequency and amplitude of human heart rate signals had been examined. The vibration sensor consists of a...

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Bibliographic Details
Published in:Journal of physics. Conference series 2020-03, Vol.1505 (1), p.12056
Main Authors: Yaqin, M A, Yunifar, R I, Ariyanti, N D, Zulfikar, A Z, Syamsudin, S, Buka, O, Nasori, N, Endarko, E, Rubiyanto, A
Format: Article
Language:English
Subjects:
Heart rate
Interferometry
Light sources
Parameter identification
Physics
Semiconductor lasers
Sensors
Vibration monitoring
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Summary:The monitoring heart rate by vibration sensor based on self-mixing interferometry (SMI) had been done. Experimental schemes and the performance of vibration sensor based on SMI as a function of frequency and amplitude of human heart rate signals had been examined. The vibration sensor consists of a laser diode as a light source (λ = 785 nm) with integrated detector, a mirror as a vibrating target, and a simulated heart signal from ECG generator. ECG generator signals and audio amplifier are adjusted in frequencies of 1-100 kHz. The result showed that the feedback parameter of SMI signal could be identified at frequency 50 Hz. The heart signal was shown clearly at frequency 100 kHz.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1505/1/012056