Complex geometrical optics application to the Gaussian light beam Raman-Nath diffraction description

Roman J. Bukowski

doi:10.1117/12.330462

11 November 1998 Complex geometrical optics application to the Gaussian light beam Raman-Nath diffraction description

Roman J. Bukowski

Proceedings Volume 3581, Acousto-Optics and Applications III; (1998) https://doi.org/10.1117/12.330462
Event: Acousto-Optics and Applications III, 1998, Gdansk-Jurata, Poland

Abstract

The description of the gaussian on the planar ultrasound wave in Raman-Nath region by complex optical rays method is presented in this works. The case of the perpendicular light beam incidence relatively to the direction of propagation of the ultrasound beam of (Delta) z width was considered. The influence of such parameters as a size and position of the gaussian beam waist, a laser-screen distance, a position of the ultrasound beam and Raman-Nath parameter value on diffraction pattern was analyzed. That was proved that in some cases the diffraction beams have a fine structure. The final analytical formulas were illustrated by some graphs of the light intensity distributions in beams diffracted on ultrasound waves propagated in water.

Citation Download Citation

Roman J. Bukowski "Complex geometrical optics application to the Gaussian light beam Raman-Nath diffraction description", Proc. SPIE 3581, Acousto-Optics and Applications III, (11 November 1998); https://doi.org/10.1117/12.330462

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