Abstract
Solutions of the parabolic equation which describes propagation of Bessel–Gaussian beams along the axis of an axially-symmetric medium having quadratic inhomogeneity have been obtained and investigated. It is shown that in the process of propagation the parameters of the beams change nonmonotonically. In the case of a transparent medium the beams periodically recover their initial structure.
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Korneichik, T.M., Khapalyuk, A.P. Bessel–Gaussian Beams in an Inhomogeneous Medium. Journal of Applied Spectroscopy 70, 557–564 (2003). https://doi.org/10.1023/A:1026150531577
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DOI: https://doi.org/10.1023/A:1026150531577