Vol. 11, issue 11, article # 4

Tartakovsky V.A., Mayer N.N. Light beam with azimuth carrier frequency in vacuum and in an inhomogeneous medium. // Atmospheric and oceanic optics. 1998. V. 11. No. 11. P. 1001-1005.
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Abstract:

We consider in this paper the problem on propagation of a Gaussian beam with a real zero in the initial conditions. We have derived a solution to the Helmholtz equation that describes this problem for vacuum. We have calculated numerically the probability of conservation of the azimuth carrier frequency, produced by the real zero, during the wave propagation through an inhomogeneous medium.

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