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Proceedings Paper

Dynamic holography and its application in measurement systems
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Paper Abstract

Spatial light modulators are of growing interest not only for optical correlators but also for new optical measurement and processing methods. We present different applications of dynamic phase holograms based on liquid crystal elements in the field of optical measurement and manipulation. Within digital holography, modern modulators can be used in order to test the geometry as well as the behavior of objects under external load. A direct comparison between the test objects and a master object at different locations around the world is possible. Holographic tweezers are used in order to position small particles in three dimensions and to measure very small forces. We also present results of novel methods for testing aspheric surfaces and the application of dynamic hologram reconstructions for the ablation of complex patterns on the microscopic scale.

Paper Details

Date Published: 23 October 2003
PDF: 12 pages
Proc. SPIE 5202, Optical Information Systems, (23 October 2003); doi: 10.1117/12.501511
Show Author Affiliations
Tobias Haist, Univ. Stuttgart (Germany)
W. Osten, Univ. Stuttgart (Germany)
M. Reicherter, Univ. Stuttgart (Germany)
J. Liesener, Univ. Stuttgart (Germany)
L. Seifert, Univ. Stuttgart (Germany)

Published in SPIE Proceedings Vol. 5202:
Optical Information Systems
Bahram Javidi; Demetri Psaltis, Editor(s)

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