Fiber-optic seismology

NJ Lindsey, ER Martin - Annual Review of Earth and Planetary …, 2021 - annualreviews.org
Distributed acoustic sensing (DAS) is an emerging technology that repurposes a fiber-optic
cable as a dense array of strain sensors. This technology repeatedly pings a fiber with laser …

Empirical investigations of the instrument response for distributed acoustic sensing (DAS) across 17 octaves

P Paitz, P Edme, D Gräff, F Walter… - Bulletin of the …, 2021 - pubs.geoscienceworld.org
With the potential of high temporal and spatial sampling and the capability of utilizing
existing fiber‐optic infrastructure, distributed acoustic sensing (DAS) is in the process of …

Vehicle detection and classification using distributed fiber optic acoustic sensing

H Liu, J Ma, T Xu, W Yan, L Ma… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
This paper presents a vehicle detection and classification system using distributed fiber-
optic acoustic sensing (DAS) technology and describes a comprehensive classification …

Sensing earth and environment dynamics by telecommunication fiber-optic sensors: An urban experiment in Pennsylvania USA

T Zhu, J Shen, ER Martin - Solid Earth Discussions, 2020 - se.copernicus.org
Continuous seismic monitoring of the Earth's near surface (top 100 meters), especially with
improving the resolution and extent of data both in space and time, would yield more …

Downhole monitoring using distributed acoustic sensing: fundamentals and two decades deployment in oil and gas industries

M Soroush, M Mohammadtabar, M Roostaei… - SPE EOR Conference …, 2022 - onepetro.org
Abstract Distributed Acoustic Sensing (DAS) through fiber optic has been deployed in
downhole monitoring for over two decades. Several technological advancements led to a …

Near-surface characterization using a roadside distributed acoustic sensing array

S Yuan, A Lellouch, RG Clapp… - The Leading …, 2020 - pubs.geoscienceworld.org
Due to the broadband nature of distributed acoustic sensing (DAS) measurement, a
roadside section of the Stanford DAS-2 array can record seismic signals from various …

Traffic flow detection using distributed fiber optic acoustic sensing

H Liu, J Ma, W Yan, W Liu, X Zhang, C Li - IEEE Access, 2018 - ieeexplore.ieee.org
This paper proposes a novel method for traffic flow detection using distributed optical fiber
acoustic sensing (DAS). Different from the traditional traffic flow detection method, this …

A seismic shift in scalable acquisition demands new processing: Fiber-optic seismic signal retrieval in urban areas with unsupervised learning for coherent noise …

ER Martin, F Huot, Y Ma, R Cieplicki… - IEEE Signal …, 2018 - ieeexplore.ieee.org
With the development of fiber-optic seismic acquisition systems, dense seismic monitoring of
the near surface in urban areas is quickly becoming much easier than ever before. We …

Introduction to interferometry of fiber‐optic strain measurements

ER Martin, NJ Lindsey, JB Ajo‐Franklin… - … acoustic sensing in …, 2021 - Wiley Online Library
Distributed acoustic sensing (DAS) measures the average axial strain (strain rate) along a
subset of a fiber‐optic cable, as opposed to the particle displacement (velocity) at a …

Previously hidden landslide processes revealed using distributed acoustic sensing with nanostrain-rate sensitivity

SM Ouellet, J Dettmer, MJ Lato, S Cole… - Nature …, 2024 - nature.com
Landslides sometimes creep for decades before undergoing runaway acceleration and
catastrophic failure. Observing and monitoring the evolution of strain in time and space is …