Abstract
Part IV of the study continues the treatment of the theory of formation of laser beams with smooth spatial distribution, and of their conservation as they are transported in linear and nonlinear media. An exact solution is obtained for the problem of development of a small perturbation with an arbitrary amplitudephase distribution against the background of a plane wave with cubic nonlinearity. Self-consistent (waveguide) solutions of the nonlinear parabolic equation are obtained. The solutions demonstrate the effectiveness of suppression of small-scale self-focusing of diverging beams. The project of a high-aperture single-lens objective with aberration correction is developed and the relevant calculations are made.
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Additional information
Quantum Radiophysics Division, Lebedev Physics Institute. Translated from Preprint No. 94 of the Lebedev Physics Institute, Academy of Sciences of the USSR, Moscow, 1990.
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Pyatakhin, M.V., Suchkov, A.F. Theory of spatiotemporal characteristics of laser emission. IV. Methods of controlling the spatial structures of laser beams in linear and nonlinear media. J Russ Laser Res 12, 107–125 (1991). https://doi.org/10.1007/BF01126633
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DOI: https://doi.org/10.1007/BF01126633