Holographic Nondestructive Evaluation With On-Line Acquisition And Processing

Y. Katzir; A. A. Friesem; I. Glaser; B. Sharon

doi:10.1117/12.933953

7 July 1983 Holographic Nondestructive Evaluation With On-Line Acquisition And Processing

Y. Katzir, A. A. Friesem, I. Glaser, B. Sharon

Proceedings Volume 0353, Industrial and Commercial Applications of Holography; (1983) https://doi.org/10.1117/12.933953
Event: 26th Annual Technical Symposium, 1982, San Diego, United States

Abstract

A holographic non-destructive evaluation (HNDE) system with on-line acquisition and processing of real-time interferograms is presented. The system comprises photoconductor-thermoplastic recording materials, an image acquisiton system based on a photodiode-array line scanner. A microprocessor for controlling acquisition and other system functions and a link to a large computer. The system is capable of fringe detection down to an accuracy of 1/100th of a fringe. Applications for the non-destructive evaluation of an actual industrial specimen, as well as mapping the derivatives of deformation of a 2-D object are presented.

Citation Download Citation

Y. Katzir, A. A. Friesem, I. Glaser, and B. Sharon "Holographic Nondestructive Evaluation With On-Line Acquisition And Processing", Proc. SPIE 0353, Industrial and Commercial Applications of Holography, (7 July 1983); https://doi.org/10.1117/12.933953

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