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physics.optics2025
Generation of Perfectly Achromatic Optical Vortices Using a Compensated Tandem Twisted Nematic Cell
Dmytro O. Plutenko, Mikhail V. Vasnetsov
The generation of white optical vortices is currently constrained by intrinsic trade-offs between spectral bandwidth, conversion efficiency, and temporal pulse integrity in convent…
physics.optics2016
Optical trapping by Laguerre-Gaussian beams: Symmetries, stability and equilibria
Alexei D. Kiselev, Dmytro O. Plutenko
We use the T-matrix formalism in combination with the method of far-field matching to evaluate the optical force exerted by Laguerre-Gaussian (LG) light beams on a spherical (Mie)…
physics.optics2014★ 49 cited
Mie scattering of Laguerre-Gaussian beams: photonic nanojets and near-field optical vortices
Alexei D. Kiselev, Dmytro O. Plutenko
We study Mie scattering of Laguerre-Gaussian (LG) light beams remodelled using the method of far-field matching. The theoretical results are used to analyze the optical field in th…