A. A. Kovalev

Vibrational imaging based on stimulated Raman scattering microscopy

P. Nandakumar, A. A. Kovalev, Andreas Volkmer · New Journal of Physics · 2009 · 392 citations · Full text

Engineering, High Sensitivity, Microscopy +12

Astigmatic transforms of an optical vortex for measurement of its topological charge

Victor V. Kotlyar, A. A. Kovalev, Alexey P. Porfirev · Applied Optics · 2017 · 168 citations

Photonics, Vortex Dynamics, Optical Vortices +13

Energy density and energy flux in the focus of an optical vortex: reverse flux of light energy

Victor V. Kotlyar, A. A. Kovalev, Anton G. Nalimov · Optics Letters · 2018 · 102 citations

Photonics, Vortex Dynamics, Engineering +15

Diffraction of a plane, finite-radius wave by a spiral phase plate

Victor V. Kotlyar, Svetlana N. Khonina, A. A. Kovalev et al. · Optics Letters · 2006 · 95 citations

Engineering, Physical Optics, Physics +10

Topological charge of a linear combination of optical vortices: topological competition

Victor V. Kotlyar, A. A. Kovalev, A. V. Volyar · Optics Express · 2020 · 93 citations · Full text