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Applied Optics

Applied Optics


  • Vol. 37, Iss. 32 — Nov. 10, 1998
  • pp: 7496–7503

Polarization changing and beam profile deformation of light during the isotropic Raman–Nath acousto-optic interaction

Chen-Wen Tarn, Ray-Shu Huang, and Cheh-Wei Hsieh  »View Author Affiliations

Applied Optics, Vol. 37, Issue 32, pp. 7496-7503 (1998)

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A spatial Fourier transform approach is used to study the phenomena of polarization changing and beam profile deformation of light during the Raman–Nath, acousto-optic interaction in isotropic media. Starting from the vector version of the well-known Raman–Nath interaction equation and using a spatial Fourier transform allows analytic solutions that encompass the effects of polarization changing and beam-profile deformation for the multiple scattered light to be found in the spatial-frequency domain. Two kinds of sound wave, longitudinal and shear, are assumed to be interacted with the light, whose transverse spatial profile and state of polarization are arbitrary. It is shown that, for light with an arbitrary spatial profile after interaction with the sound wave in the Raman–Nath regime, the spatial profiles of the scattered light are almost the same shape as those of the input light. For the polarization changing part, it is found that the state of polarization and the direction of rotation can alter, depending not only on the sound amplitude but also on the propagation mode of the sound wave. Simulation results are provided to confirm the validity of this approach.

© 1998 Optical Society of America

OCIS Codes
(160.1050) Materials : Acousto-optical materials
(230.1040) Optical devices : Acousto-optical devices
(260.5430) Physical optics : Polarization

Original Manuscript: February 18, 1998
Revised Manuscript: May 18, 1998
Published: November 10, 1998

Chen-Wen Tarn, Ray-Shu Huang, and Cheh-Wei Hsieh, "Polarization changing and beam profile deformation of light during the isotropic Raman–Nath acousto-optic interaction," Appl. Opt. 37, 7496-7503 (1998)

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