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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 17 — Jun. 10, 1999
  • pp: 3720–3725

Optical symmetry filtering by use of anisotropic self-diffraction in BaTiO3 crystals

Ching-Cherng Sun, Bor Wang, Wei-Chia Su, Arthur E. T. Chiou, and Jenq-Yang Chang  »View Author Affiliations


Applied Optics, Vol. 38, Issue 17, pp. 3720-3725 (1999)
http://dx.doi.org/10.1364/AO.38.003720


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Abstract

We propose what we believe to be a novel and simple method for optical symmetry filtering, using anisotropic self-diffraction in BaTiO3 crystals. This method allows us to distinguish a centrosymmetric pattern from a noncentrosymmetric pattern easily with scale invariance. It is self-referential; no extra reference element is required. Both the theory and the experiment are demonstrated.

© 1999 Optical Society of America

OCIS Codes
(070.5010) Fourier optics and signal processing : Pattern recognition
(070.6110) Fourier optics and signal processing : Spatial filtering
(100.4550) Image processing : Correlators

History
Original Manuscript: September 9, 1998
Revised Manuscript: December 21, 1998
Published: June 10, 1999

Citation
Ching-Cherng Sun, Bor Wang, Wei-Chia Su, Arthur E. T. Chiou, and Jenq-Yang Chang, "Optical symmetry filtering by use of anisotropic self-diffraction in BaTiO3 crystals," Appl. Opt. 38, 3720-3725 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-17-3720

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