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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 7 — Mar. 1, 2009
  • pp: C135–C140

Collinear diffraction of divergent optical beams in acousto-optic crystals

Vladimir I. Balakshy and Sergey N. Mantsevich  »View Author Affiliations

Applied Optics, Vol. 48, Issue 7, pp. C135-C140 (2009)

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Peculiarities of collinear acousto-optic interaction of a strongly divergent optical beam are examined theoretically by examples of two crystals widely used in acousto-optics: calcium molybdate ( Ca Mo O 4 ) and paratellurite ( Te O 2 ). These materials demonstrate essentially different diffraction characteristics because of peculiar features of optical and acousto-optic anisotropy in these crystals. The dependence of the integral diffraction efficiency and the transmission band of collinear acousto-optic filters on the optical beam divergence and acoustic power is studied. It is shown that with increasing light divergence these characteristics of the filter are worsened according to the same law, and the product of the relative bandwidth and the diffraction efficiency remains constant and independent of the optical wavelength and the acousto-optic interaction length.

© 2009 Optical Society of America

OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(230.1040) Optical devices : Acousto-optical devices
(170.1065) Medical optics and biotechnology : Acousto-optics

Original Manuscript: July 17, 2008
Revised Manuscript: December 4, 2008
Manuscript Accepted: December 5, 2008
Published: January 12, 2009

Vladimir I. Balakshy and Sergey N. Mantsevich, "Collinear diffraction of divergent optical beams in acousto-optic crystals," Appl. Opt. 48, C135-C140 (2009)

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