Holographic collation

Details Holographic collation Holographic collation

1991-10-30

1993-06-01

Lerner, Martin

Optical: systems and elements

Holographic system or element

Using modulated or plural reference beams

356347, 359 24, 359 30, G01B 9025, G03H 110, G03H 128

Patent

active

052165272

ABSTRACT:
A method and apparatus for the collation or fine comparison of closely related images made with coherent light, such as those that may arise in holographic interferometry, in holo-photoelasticity, or in speckle interferometry.

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patent: 4999681 (1991-03-01), Mader
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