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Optical pattern recognition via adaptive spatial homodyne detection

Hsu, Magnus T L; Knittel, Joachim; Morizur, Jean-Francois; Bachor, Hans; Bowen, Warwick P


We present an experimental demonstration of an optical pattern recognition scheme based on spatial homodyne detection. Our scheme is adaptive, all-optical, utilizes a single-element photo-detector, and provides a single parameter readout to quantify the efficacy of pattern recognition, thereby allowing very fast pattern recognition speeds. The spatial homodyne detector was applied to the identification of one- and two-dimensional phase profiles.

CollectionsANU Research Publications
Date published: 2010-12-01
Type: Journal article
Source: Journal of the Optical Society of America. A, Optics, image science, and vision
DOI: 10.1364/JOSAA.27.002583
Access Rights: Open Access


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