Three-dimensional angle measurement based on propagation vector analysis of digital holography
We propose what we believe to be a novel method for highly accurate three-dimensional (3D) anglemeasurement based on propagation vector analysis of digital holography. Three-dimensional rotations inspace can be achieved by use of a CCD camera and a multifacet object, which reflects anincident wave into different directions. The propagation vectors of the reflected wavesfrom the object can be extracted by analyzing the object spectrum of the recordedhologram. Any small rotation of the object will induce a change in the propagationvectors in space, which can then be used for 3D angle measurement. Experimental resultsare presented to verify the idea.
- OSTI ID:
- 20929747
- Journal Information:
- Applied Optics, Vol. 46, Issue 17; Other Information: DOI: 10.1364/AO.46.003539; (c) 2007 Optical Society of America; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6935
- Country of Publication:
- United States
- Language:
- English
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