Holographic method and device for obtaining a quantitative likeness measure

Nils H. Abramson

doi:10.1117/12.135358

1 January 1992 Holographic method and device for obtaining a quantitative likeness measure

Nils H. Abramson

Proceedings Volume 1553, Laser Interferometry IV: Computer-Aided Interferometry; (1992) https://doi.org/10.1117/12.135358
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

We propose a new contouring method based on sending picosecond pulses toward a test object in such a sequence that if the object has the wanted shape all the scattered light arrives simultaneously to a detector. The result will be that the shortness of the detected pulse is a measure of the likeness between a holographically recorded master object and the test object.

Citation Download Citation

Nils H. Abramson "Holographic method and device for obtaining a quantitative likeness measure", Proc. SPIE 1553, Laser Interferometry IV: Computer-Aided Interferometry, (1 January 1992); https://doi.org/10.1117/12.135358

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