DEVELOPMENT AND APPLICATION OF AN INTERFEROMETRIC SYSTEM FOR MEASURING CRACK DISPLACEMENTS

The development of the first version of a minicomputer controlled system that converts the fringe pattern motion into a voltage output proportional to displacement is presented. Details of the instrument and the calibration tests are included. (Author)

  • Corporate Authors:

    Michigan State University, East Lansing

    Division of Engineering Research
    East Lansing, MI  USA  48824
  • Authors:
    • Sharpe, WNJ
  • Publication Date: 1976

Media Info

  • Pagination: 72 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00154564
  • Record Type: Publication
  • Source Agency: National Technical Information Service
  • Report/Paper Numbers: NASA-CR-145106 Final Rpt.
  • Contract Numbers: NSG-1148
  • Files: TRIS
  • Created Date: May 31 1977 12:00AM