Energy harvesting over a fiber-optic distributed acoustic sensor

Juan M. Marin; Islam Ashry; Abderrahmen Trichili; Chun Hong Kang; Omar Alkhazragi; Tien Khee Ng; Boon S. Ooi

doi:10.1117/12.2649910

8 March 2023 Energy harvesting over a fiber-optic distributed acoustic sensor

Juan M. Marin, Islam Ashry, Abderrahmen Trichili, Chun Hong Kang, Omar Alkhazragi, Tien Khee Ng, Boon S. Ooi

Author Affiliations +

Proceedings Volume 12428, Photonic Instrumentation Engineering X; 124280P (2023) https://doi.org/10.1117/12.2649910
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

Fiber-optic distributed acoustic sensor (DAS) has been deployed for real-time monitoring of various physical phenomena. The operational principle of DAS relies on monitoring backscattered light from a fiber while leaving the pump optical pulses to get wasted at the fiber distal end. Here, we report on energy harvesting from the DAS pump optical signal to supply energy to passive devices. In this work, a DAS over a ∼1.1-km single-mode fiber (SMF) detects a 200-Hz vibration event produced by a piezoelectric transducer (PZT) while harvesting a 1.58–mW optical signal to charge a 10-F supercapacitor.

Conference Presentation

Citation Download Citation

Juan M. Marin, Islam Ashry, Abderrahmen Trichili, Chun Hong Kang, Omar Alkhazragi, Tien Khee Ng, and Boon S. Ooi "Energy harvesting over a fiber-optic distributed acoustic sensor", Proc. SPIE 12428, Photonic Instrumentation Engineering X, 124280P (8 March 2023); https://doi.org/10.1117/12.2649910

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