Near-Field Acoustic Imaging Using Fiber-Optic Distributed Acoustic Sensing and Beamforming Techniques.
Sign Up to like & getrecommendations! Published in 2025 at "Advanced science"
DOI: 10.1002/advs.202512513
Abstract: Distributed acoustic sensors (DAS) detect mechanical vibrations along optical fibers with meter-scale spatial resolution, capturing the waves directly reaching the fiber. Deploying dense fiber nets in two or three dimensions for spatially-precise sensing over large… read more here.
Keywords: field acoustic; acoustic imaging; fiber; distributed acoustic ... See more keywords
Discussion on the sensitivity of optical cables based on distributed acoustic sensing
Sign Up to like & getrecommendations! Published in 2019 at "Optical Review"
DOI: 10.1007/s10043-019-00547-x
Abstract: Distributed acoustic sensing (DAS) technology plays an increasingly important role in the field of underwater acoustic detection because of its own advantages. To measure acoustic pressure sensitivity of seven kinds of optical cables in the… read more here.
Keywords: optical cables; pressure sensitivity; acoustic pressure; sensitivity ... See more keywords
Novel cable coupling technique for improved shallow distributed acoustic sensor VSPs
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Applied Geophysics"
DOI: 10.1016/j.jappgeo.2017.01.007
Abstract: Abstract Vertical seismic profiles (VSPs) collected using fiber optic distributed acoustic sensors (DAS) are becoming increasingly common; yet, ensuring good cable coupling with the borehole wall remains a persistent challenge. Traditional cable deployment techniques used… read more here.
Keywords: novel cable; cable; coupling technique; distributed acoustic ... See more keywords
Characterising sediment thickness beneath a Greenlandic outlet glacier using distributed acoustic sensing: preliminary observations and progress towards an efficient machine learning approach
Sign Up to like & getrecommendations! Published in 2023 at "Annals of Glaciology"
DOI: 10.1017/aog.2023.15
Abstract: Distributed Acoustic Sensing (DAS) is increasingly recognised as a valuable tool for glaciological seismic applications, although analysing the large data volumes generated in acquisitions poses computational challenges. We show the potential of active-source DAS to… read more here.
Keywords: beneath; outlet glacier; acoustic sensing; machine learning ... See more keywords
DAS to discharge: using distributed acoustic sensing (DAS) to infer glacier runoff
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Glaciology"
DOI: 10.1017/jog.2024.46
Abstract: Abstract Observations of glacier melt and runoff are of fundamental interest in the study of glaciers and their interactions with their environment. Considerable recent interest has developed around distributed acoustic sensing (DAS), a sensing technique… read more here.
Keywords: sensing das; discharge; acoustic sensing; distributed acoustic ... See more keywords
Characterizing Thunder‐Induced Ground Motions Using Fiber‐Optic Distributed Acoustic Sensing Array
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Geophysical Research"
DOI: 10.1029/2019jd031453
Abstract: We report for the first time on a distributed acoustic sensing (DAS) array using preexisting underground fiber optics beneath the Penn State campus for detecting and characterizing thunder‐induced ground motions. During a half‐hour interval from… read more here.
Keywords: thunder; array; ground; fiber optic ... See more keywords
Distributed Acoustic Sensing of Seismic Properties in a Borehole Drilled on a Fast‐Flowing Greenlandic Outlet Glacier
Sign Up to like & getrecommendations! Published in 2020 at "Geophysical Research Letters"
DOI: 10.1029/2020gl088148
Abstract: Distributed Acoustic Sensing (DAS) is a new technology in which seismic energy is detected, at high spatial and temporal resolution, using the propagation of laser pulses in a fiber‐optic cable. We show analyses from the… read more here.
Keywords: fast flowing; distributed acoustic; outlet; acoustic sensing ... See more keywords
Accurate Magnitude and Stress Drop Using the Spectral Ratios Method Applied to Distributed Acoustic Sensing
Sign Up to like & getrecommendations! Published in 2024 at "Geophysical Research Letters"
DOI: 10.1029/2023gl105153
Abstract: The reliable estimation of earthquake magnitude and stress drop are key in seismology. The novel technology of distributed acoustic sensing (DAS) holds great promise for source parameter inversion owing to the measurements' high spatial density.… read more here.
Keywords: distributed acoustic; stress drop; magnitude stress;
Near Real‐Time In Situ Monitoring of Nearshore Ocean Currents Using Distributed Acoustic Sensing on Submarine Fiber‐Optic Cable
Sign Up to like & getrecommendations! Published in 2024 at "Earth and Space Science"
DOI: 10.1029/2024ea003572
Abstract: In the nearshore area, ocean current display intricate complexities due to interactions among tide, river, and coastline, which makes accurate current modeling challenging. Continuous in situ observation with high spatial and temporal resolution helps to… read more here.
Keywords: fiber optic; distributed acoustic; optic cable; submarine fiber ... See more keywords
High‐Frequency Tsunamis Excited Near Torishima Island, Japan, Observed by Distributed Acoustic Sensing
Sign Up to like & getrecommendations! Published in 2024 at "Geophysical Research Letters"
DOI: 10.1029/2024gl108714
Abstract: Recent distributed acoustic sensing (DAS) experiments in ocean areas throughout the world have accumulated records for various wavefields. However, there are few tsunami records because tsunami observation depends on the DAS experimental period and its… read more here.
Keywords: frequency; frequency tsunamis; acoustic sensing; distributed acoustic ... See more keywords
Comprehensive Dataset for Event Classification Using Distributed Acoustic Sensing (DAS) Systems
Sign Up to like & getrecommendations! Published in 2025 at "Scientific Data"
DOI: 10.1038/s41597-025-05088-4
Abstract: Distributed Acoustic Sensing (DAS) technology leverages optical fibers to detect acoustic signals over long distances, offering high-resolution data critical for applications such as seismic monitoring, structural health monitoring, and security. A significant challenge in DAS… read more here.
Keywords: classification; event classification; das systems; acoustic sensing ... See more keywords