Contents

Physics of Wave Phenomena

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Vol. 31, No. 6, 2023

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Acoustics and Optics of Open Reservoirs

Phase Invariants of Vector–Scalar Fields Excited in the Shallow Sea by Multipole Sources

G. N. Kuznetsov and A. N. Stepanov p. 371  abstract

Physical Problems of Direction Finding in the Deep Sea

S. P. Aksenov and G. N. Kuznetsov p. 383  abstract

Application of Warping Transform for the Analysis of the Acoustic Mode Coupling due to a Local Inhomogeneity in Shallow Water

A. A. Lunkov and M. A. Shermeneva p. 396  abstract

Underwater Lidar: Remote Sensing in Strongly Scattering Media

S. M. Pershin, A. F. Bunkin, V. A. Zavozin, M. Ya. Grishin, V. S. Makarov, P. A. Titovets and M. O. Fedyuk p. 406  abstract

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Spectroscopy of Ions in Condensed Media

Evaluation of Cr²⁺ Ions Absorption Cross-Section in Zn_1–xMn_xSe Solid Solutions by Nonlinear Transmission Measurements

M. E. Doroshenko, K. A. Pierpoint, A. Říha and H. Jelínková p. 412  abstract

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Nonlinear Optics

Generation of High-Order Harmonics by Gallium Ions in Intense Laser Pulse

A. I. Magunov, V. V. Strelkov and S. N. Yudin p. 418  abstract

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Waves in Plasma

Effects of Electron Temperature on Ion-Acoustic Solitons and Double Layers in Nonextensive Plasmas

M. M. Hatami p. 427  abstract

Transition from Regular to Mach Reflection of Shock Waves in Laterally Colliding Laser-Produced Plasmas

S. Shilpa and Pramod Gopinath p. 434  abstract

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