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Proceedings Paper

Symmetry filter using anisotropic self-diffraction in BaTiO3
Author(s): Bor Wang; Ching-Cherng Sun; Arthur E. T. Chiou
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Paper Abstract

Using anisotropic self-diffraction in BaTiO3, we propose a novel optical symmetry filter which the filter allows us to distinguish a centro-symmetric pattern from a non-centro- symmetric pattern easily with scale invariance. This filter is self-referential, so no extra reference target is required. Both of the theoretical explanation and experimental demonstration are shown.

Paper Details

Date Published: 9 October 1998
PDF: 5 pages
Proc. SPIE 3470, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications IV, (9 October 1998); doi: 10.1117/12.326863
Show Author Affiliations
Bor Wang, National Central Univ. (Taiwan)
Ching-Cherng Sun, National Central Univ. (Taiwan)
Arthur E. T. Chiou, National Dong Hwa Univ. (Taiwan)


Published in SPIE Proceedings Vol. 3470:
Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications IV
Francis T. S. Yu; Shizhuo Yin, Editor(s)

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