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ESICM LIVES 2019 : Berlin, Germany. 28 September - 2 October 2019. [PDF]

Intensive Care Med Exp, 2019
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Energy backflow in the focus of an optical vortex

Laser physics, 2018
By employing Richards-Wolf formulae for an aplanatic system, we show that when tightly focusing a left-hand circularly polarized optical vortex with the topological charge 2 and an arbitrary apodization function, an on-axis energy backflow occurs in the ...
V. Kotlyar, A. Nalimov, S. Stafeev
semanticscholar   +1 more source