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Applied Optics

Applied Optics


  • Vol. 39, Iss. 17 — Jun. 10, 2000
  • pp: 2925–2930

Real-time edge-enhanced optical correlation with a cerium-doped potassium sodium strontium barium niobate photorefractive crystal

Bao-Lai Liang, Zhao-Qi Wang, Guo-Guang Mu, Jiu-Hong Guan, Hong-Li Liu, and C. M. Cartwright  »View Author Affiliations

Applied Optics, Vol. 39, Issue 17, pp. 2925-2930 (2000)

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The nonlinear diffraction property of a volume grating written by two-wave mixing in a cerium-doped potassium sodium strontium barium niobate crystal is applied in a coherent image processing system to obtain real-time image edge enhancement as well as edge-enhanced optical correlation. The theoretical analysis of the correlator is given, and the experimental results of optical correlation are presented, which are compared with the computer-simulated results.

© 2000 Optical Society of America

OCIS Codes
(090.2900) Holography : Optical storage materials
(100.2980) Image processing : Image enhancement
(100.4550) Image processing : Correlators

Original Manuscript: August 18, 1999
Revised Manuscript: February 25, 2000
Published: June 10, 2000

Bao-Lai Liang, Zhao-Qi Wang, Guo-Guang Mu, Jiu-Hong Guan, Hong-Li Liu, and C. M. Cartwright, "Real-time edge-enhanced optical correlation with a cerium-doped potassium sodium strontium barium niobate photorefractive crystal," Appl. Opt. 39, 2925-2930 (2000)

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