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

Lingfeng Yu; Giancarlo Pedrini; Wolfgang Osten

doi:10.1117/12.764318

22 February 2008 Propagation vector analysis of digital holography and its application for three-dimensional angle measurement

Lingfeng Yu, Giancarlo Pedrini, Wolfgang Osten

Author Affiliations +

Proceedings Volume 6912, Practical Holography XXII: Materials and Applications; 69120B (2008) https://doi.org/10.1117/12.764318
Event: Integrated Optoelectronic Devices 2008, 2008, San Jose, California, United States

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.

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Lingfeng Yu, Giancarlo Pedrini, and Wolfgang Osten "Propagation vector analysis of digital holography and its application for three-dimensional angle measurement", Proc. SPIE 6912, Practical Holography XXII: Materials and Applications, 69120B (22 February 2008); https://doi.org/10.1117/12.764318

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