Mr. Ethan L. Williams Profile

Ethan L. Williams

at California Institute of Technology

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Publications (2)

Proceedings Article | 30 May 2023 Presentation + Paper

Distributed acoustic sensing over available fiber networks: what can available fiber infrastructure tell us about our planet?

Camilo Escobar-Vera, Ethan Williams, Arantza Ugalde, Hugo Martins, Carlos Becerril, Joern Callies, Mariona Claret, Maria R. Fernandez-Ruiz, Sonia Martin-Lopez, Josep Pelegri, Kraig Winters, Zhongwen Zhan, Miguel González Herráez

Proceedings Volume 12573, 1257306 (2023) https://doi.org/10.1117/12.2667577

KEYWORDS: Acoustics, Ocean optics, Wave propagation, Optical fiber cables, Laser frequency, Acoustic waves, Tunable filters, Planets, Earthquakes, Signal to noise ratio

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Proceedings Article | 28 August 2019 Paper

Teleseisms monitoring using chirped-pulse φOTDR

María Fernández-Ruiz, Ethan Williams, Regina Magalhaes, Roel Vanthillo, Luís Costa, Zhongwen Zhan, Sonia Martin-Lopez, Miguel Gonzalez-Herraez, Hugo Martins

Proceedings Volume 11199, 1119921 (2019) https://doi.org/10.1117/12.2539966

KEYWORDS: Earthquakes, Optical fibers, Sensors, Environmental sensing, Tomography, Data acquisition

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