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Optical Engineering

Measurements Of Ultrasmall Displacements
Author(s): S. F. Jacobs
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Paper Abstract

Techniques for resolving small transverse distances are compared with those for resolving small longitudinal displacements. As the desired resolution becomes finer, there comes a point where both problems are best solved by switching to the transform domain. Techniques for measuring displacement can be divided into those used for nonoscillatory versus oscillatory motions. Examples are described for achieving X/105 for the former and X/109 for the latter. Fundamental limitations are discussed.

Paper Details

Date Published: 1 October 1978
PDF: 3 pages
Opt. Eng. 17(5) 175544 doi: 10.1117/12.7972275
Published in: Optical Engineering Volume 17, Issue 5
Show Author Affiliations
S. F. Jacobs, University of Arizona (United States)

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