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Proceedings Paper

Measurement of displacement vector fields based on high-precision phase measurement
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Paper Abstract

Because in interferometry the phase is the primary quantity to be measured the main interest during the last ten years was focused on the development of high precision phase reconstruction techniques. Although the measurement of the other quantities to be measured, as for instance the 3 coordinates of the object points, can be reduced to a phase measurement from the practical point of view three strongly connected tasks have to be solved for the measurement of vector displacement fields: interferometer design, data acquisition, and data evaluation. This paper deals with the discussion of the theoretical background of these three procedures concerning the topical state of the art and tries to derive some general rules as well as some problems remaining to be solved for the investigation of extended specimens.

Paper Details

Date Published: 5 February 1993
PDF: 12 pages
Proc. SPIE 1755, Interferometry: Techniques and Analysis, (5 February 1993); doi: 10.1117/12.140765
Show Author Affiliations
Wolfgang Osten, Bremer Institut fuer Angewandte Strahltechnik (Germany)
Werner P. O. Jueptner, Bremer Institut fuer Angewandte Strahltechnik (Germany)

Published in SPIE Proceedings Vol. 1755:
Interferometry: Techniques and Analysis
Gordon M. Brown; Osuk Y. Kwon; Malgorzata Kujawinska; Graeme T. Reid, Editor(s)

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