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    Seismic scanning tunneling macroscope - Theory

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    2012_SEG_SSTM_Theory.pdf
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    Abstract
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    Type
    Conference Paper
    Authors
    Schuster, Gerard T. cc
    Hanafy, Sherif M.
    Huang, Yunsong cc
    KAUST Department
    Center for Subsurface Imaging and Fluid Modeling
    Earth Science and Engineering Program
    Environmental Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2012-10-25
    Online Publication Date
    2012-10-25
    Print Publication Date
    2012-09
    Permanent link to this record
    http://hdl.handle.net/10754/564594
    
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    Abstract
    We propose a seismic scanning tunneling macroscope (SSTM) that can detect the presence of sub-wavelength scatterers in the near-field of either the source or the receivers. Analytic formulas for the time reverse mirror (TRM) profile associated with a single scatterer model show that the spatial resolution limit to be, unlike the Abbe limit of λ/2, independent of wavelength and linearly proportional to the source-scatterer separation as long as the point scatterer is in the near-field region; if the sub-wavelength scatterer is a spherical impedance discontinuity then the resolution will also be limited by the radius of the sphere. Therefore, superresolution imaging can be achieved as the scatterer approaches the source. This is analogous to an optical scanning tunneling microscope that has sub-wavelength resolution. Scaled to seismic frequencies, it is theoretically possible to extract 100 Hz information from 20 Hz data by imaging of near-field seismic energy.
    Citation
    Schuster, G. T., Hanafy, S. M., & Huang, Y. (2012). Seismic Scanning Tunneling Macroscope: Theory. SEG Technical Program Expanded Abstracts 2012. doi:10.1190/segam2012-0434.1
    Publisher
    Society of Exploration Geophysicists
    Journal
    SEG Technical Program Expanded Abstracts 2012
    Conference/Event name
    74th European Association of Geoscientists and Engineers Conference and Exhibition 2012 Incorporating SPE EUROPEC 2012: Responsibly Securing Natural Resources
    ISBN
    9781629937908
    DOI
    10.1190/segam2012-0434.1
    ae974a485f413a2113503eed53cd6c53
    10.1190/segam2012-0434.1
    Scopus Count
    Collections
    Conference Papers; Environmental Science and Engineering Program; Physical Science and Engineering (PSE) Division; Earth Science and Engineering Program; Center for Subsurface Imaging and Fluid Modeling (CSIM)

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