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Applied Optics

Applied Optics


  • Vol. 36, Iss. 14 — May. 10, 1997
  • pp: 3086–3089

Basic image-processing operations by use of acousto-optics

Partha P. Banerjee, Dongqing Cao, and Ting-Chung Poon  »View Author Affiliations

Applied Optics, Vol. 36, Issue 14, pp. 3086-3089 (1997)

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We describe some basic optical image-processing operations with acousto-optic (AO) Bragg diffraction. Instead of using frequency-plane filters, we place an AO cell behind the object. We then realize experimentally one-dimensional edge enhancement, which utilizes a high-pass filtering effect in the undiffracted order from the AO cell. A numerical simulation compares well with the experimental results. With two AO cells oriented orthogonally to each other, a second-order mixed derivative operation, evident from the four-corner enhancement of a square, is also demonstrated.

© 1997 Optical Society of America

Partha P. Banerjee, Dongqing Cao, and Ting-Chung Poon, "Basic image-processing operations by use of acousto-optics," Appl. Opt. 36, 3086-3089 (1997)

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