REMOTE SEISMIC DETECTION BY LASER INTERFEROMETER FOR MINING GEOPHYSICS AND TUNNELING OPERATIONS

A modified laser interferometer system is developed that makes possible the noncontact detection and analysis of dynamic displacement on remote, unprepared rock surfaces. The system is a broadband device and does not suffer from acoustic-impedance-matching problems or frequency-response problems characteristic of conventional contact transducers. The potential applications of such a sysem include hazard detection in mines seeing ahead of a working face in tunneling operations, vibration-mode studies of large structures, and examination of vibrating surfaces in hostile environments.

Media Info

  • Media Type: Print
  • Features: Figures; Photos; References;
  • Pagination: pp 11-24
  • Monograph Title: Innovations in subsurface exploration of soils
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00141418
  • Record Type: Publication
  • ISBN: 0309024951
  • Report/Paper Numbers: Conf Paper
  • Files: TRIS, TRB
  • Created Date: Nov 3 1976 12:00AM