{"title":"Distributed Acoustic Sensing: A New Tool or a New Paradigm","authors":"K. V. Kislov, V. V. Gravirov","doi":"10.3103/S0747923922050085","DOIUrl":null,"url":null,"abstract":"<p>Distributed acoustic sensing (DAS) is a technology that uses a fiber optic cable as a linear array of virtual seismic sensors. The article allows the reader to learn a little more about DAS data, mainly from the theoretical viewpoint, and correct some existing misconceptions; it gives an overview of the development of DAS and its modifications. The objective of this work is to discuss the advantages and prospects of distributed fiber optic sensors and the possibilities of expanding the boundaries of their practical applications and to clarify the problems and limitations faced by seismologists using DAS. Ways of overcoming the existing limitations are also described. The article identifies areas which need to be developed for wider dissemination of distributed measurements; it lists some commercialized applications and applications in which experiments will soon turn into routine geophysical measurements.</p>","PeriodicalId":45174,"journal":{"name":"Seismic Instruments","volume":"58 5","pages":"485 - 508"},"PeriodicalIF":0.3000,"publicationDate":"2022-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Seismic Instruments","FirstCategoryId":"1085","ListUrlMain":"https://link.springer.com/article/10.3103/S0747923922050085","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"GEOCHEMISTRY & GEOPHYSICS","Score":null,"Total":0}
引用次数: 1
Abstract
Distributed acoustic sensing (DAS) is a technology that uses a fiber optic cable as a linear array of virtual seismic sensors. The article allows the reader to learn a little more about DAS data, mainly from the theoretical viewpoint, and correct some existing misconceptions; it gives an overview of the development of DAS and its modifications. The objective of this work is to discuss the advantages and prospects of distributed fiber optic sensors and the possibilities of expanding the boundaries of their practical applications and to clarify the problems and limitations faced by seismologists using DAS. Ways of overcoming the existing limitations are also described. The article identifies areas which need to be developed for wider dissemination of distributed measurements; it lists some commercialized applications and applications in which experiments will soon turn into routine geophysical measurements.
期刊介绍：
Seismic Instruments is a journal devoted to the description of geophysical instruments used in seismic research. In addition to covering the actual instruments for registering seismic waves, substantial room is devoted to solving instrumental-methodological problems of geophysical monitoring, applying various methods that are used to search for earthquake precursors, to studying earthquake nucleation processes and to monitoring natural and technogenous processes. The description of the construction, working elements, and technical characteristics of the instruments, as well as some results of implementation of the instruments and interpretation of the results are given. Attention is paid to seismic monitoring data and earthquake catalog quality Analysis.
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