Interferometric Phase Measurement Using Spatial Synchronous Detection

K. H. Womack

doi:10.1117/12.7973306

1 August 1984 Interferometric Phase Measurement Using Spatial Synchronous Detection

K. H. Womack

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Optical Engineering, Vol. 23, Issue 4, 234391 (August 1984). https://doi.org/10.1117/12.7973306

Abstract

A family of three phase measurement techniques are described that are spatial analogs of the popular temporal phase-shift methods. For these spatial techniques, the need for an active element such as a piezoelectric translator or an electro-optic crystal is eliminated simply by adding tilt to the fringe pattern. Measurements are obtained over a uniform grid with an accuracy comparable to temporal phase-shift interferometry. Advantages and disadvantages are discussed.

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K. H. Womack "Interferometric Phase Measurement Using Spatial Synchronous Detection," Optical Engineering 23(4), 234391 (1 August 1984). https://doi.org/10.1117/12.7973306

Published: 1 August 1984

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