Measurements Of Ultrasmall Displacements

S. F. Jacobs

doi:10.1117/12.7972275

1 October 1978 Measurements Of Ultrasmall Displacements

S. F. Jacobs

Author Affiliations +

Optical Engineering, Vol. 17, Issue 5, 175544 (October 1978). https://doi.org/10.1117/12.7972275

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.

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S. F. Jacobs "Measurements Of Ultrasmall Displacements," Optical Engineering 17(5), 175544 (1 October 1978). https://doi.org/10.1117/12.7972275

Published: 1 October 1978

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