Accession Number:

AD0750184

Title:

Investigation of the Application of Coherent Acoustic Imaging to Nondestructive Testing

Descriptive Note:

Final technical rept. Nov 1968-Aug 1970

Corporate Author:

PERKIN-ELMER CORP DANBURY CT OPTICAL GROUP

Personal Author(s):

Report Date:

1971-04-01

Pagination or Media Count:

137.0

Abstract:

The purpose of this research program was to analyze and perform experimental demonstrations of the application of ultrasonic holographic and ultrasonic light diffraction techniques to the detection, analysis, and examination of the interval structure of optically opaque materials. A holographic scanner, operated in several modes, was used to produce more than 130 holograms, which were illuminated with a laser to reconstruct visible acoustic images. Several configurations of a Bragg diffraction microscope were used to produce comparison images. Techniques for real time computer constructed images were demonstrated. The report includes details of the analyses and experiments and indicates design approaches for practical nondestructive testing systems.

Subject Categories:

  • Test Facilities, Equipment and Methods

Distribution Statement:

APPROVED FOR PUBLIC RELEASE