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Optical Engineering

Generation Of Pseudo Fizeau Fringes On Large Objects Using Stereo Pairs
Author(s): V. P. Bennett; N. Balasubramanian
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Paper Abstract

A simple method of generating pseudo Fizeau fringes on large objects with deformations of the order of a few centimeters is described and demonstrated. A stereo pair of photographs of the object are placed one in each arm of a Mach-Zehnder interferometer and are then imaged onto a common image plane. A knife edge placed in the back focal plane of the imaging lens deforms the straight line fringes of the Mach-Zehnder interferometer to provide relief information of the object. The functional form of the deformed fringes is shown to be equivalent to Fizeau fringes.

Paper Details

Date Published: 1 June 1974
PDF: 5 pages
Opt. Eng. 13(3) 133279 doi: 10.1117/12.7971706
Published in: Optical Engineering Volume 13, Issue 3
Show Author Affiliations
V. P. Bennett, The Institute of Optics (United States)
N. Balasubramanian, The Institute of Optics (United States)


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