Fiber sensing using interferometry for seismic detection

Joel Auccapuclla; Thormund Tay; Miguel Garcia Alonso; Yicheng Shi; Hou Shun Poh; Christian Kurtsiefer

doi:10.1117/12.2677379

4 October 2023 Fiber sensing using interferometry for seismic detection

Joel Auccapuclla, Thormund Tay, Miguel Garcia Alonso, Yicheng Shi, Hou Shun Poh, Christian Kurtsiefer

Proceedings Volume 12693, Unconventional Imaging, Sensing, and Adaptive Optics 2023; 126931N (2023) https://doi.org/10.1117/12.2677379
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States

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Abstract

The modern telecommunications infrastructure relies heavily on widely deployed optical fibre networks which serve as its cornerstone. Strains in the fibres are caused by mechanical forces from various sources of ambient vibrations such as human activities and seismic movements. This results in phase shifts in the light that travels through the fibres. Consequently, these phase shifts can be measured across the entire fibre, providing information about the initial vibration events, which makes them an ideal candidate for distributed seismic sensing.

Citation Download Citation

Joel Auccapuclla, Thormund Tay, Miguel Garcia Alonso, Yicheng Shi, Hou Shun Poh, and Christian Kurtsiefer "Fiber sensing using interferometry for seismic detection", Proc. SPIE 12693, Unconventional Imaging, Sensing, and Adaptive Optics 2023, 126931N (4 October 2023); https://doi.org/10.1117/12.2677379

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