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Proceedings Paper

Propagation vector analysis of digital holography and its application for three-dimensional angle measurement
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Paper Abstract

We propose a novel method for high accurate three-dimensional angle measurement based on propagation vector analysis of digital holography. 3D rotations in space can be achieved by use of a CCD camera and a multi-facet object, which reflects an incident wave into different directions. The propagation vectors of the reflected waves from the object can be extracted by analyzing the object spectrum of the recorded hologram. Any small rotation of the object will induce the change of the propagation vectors in space, which can then be used for 3D angle measurement. Experimental results are presented to verify the idea.

Paper Details

Date Published: 22 February 2008
PDF: 6 pages
Proc. SPIE 6912, Practical Holography XXII: Materials and Applications, 69120B (22 February 2008); doi: 10.1117/12.764318
Show Author Affiliations
Lingfeng Yu, Beckman Laser Institute, Univ. of California, Irvine (United States)
Giancarlo Pedrini, Univ. Stuttgart (Germany)
Wolfgang Osten, Univ. Stuttgart (Germany)

Published in SPIE Proceedings Vol. 6912:
Practical Holography XXII: Materials and Applications
Hans I. Bjelkhagen; Raymond K. Kostuk, Editor(s)

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