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Optical Engineering

Generalized Data Reduction For Heterodyne Interferometry
Author(s): J. E. Greivenkamp
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Paper Abstract

A generalized algorithm for use with digital heterodyne or fringe-scanning interferometers was developed that removes many of the restrictions that had previously applied to the data collection scheme. The required phase steps may be chosen with unequal spacing and to extend over a range greater than 27r. The integrating-bucket and phase-step approaches produce identical results.

Paper Details

Date Published: 1 August 1984
PDF: 3 pages
Opt. Eng. 23(4) 234350 doi: 10.1117/12.7973298
Published in: Optical Engineering Volume 23, Issue 4
Show Author Affiliations
J. E. Greivenkamp, Eastman Kodak Company (United States)

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