Flexible generation of vector beams based on the noncommutation of Pancharatnam–Berry phase elements
Sign Up to like & getrecommendations! Published in 2019 at "Optics Communications"
DOI: 10.1016/j.optcom.2019.03.043
Abstract: Abstract We examine the noncommutation of Pancharatnam–Berry phase elements in the generation of vector beams. Any desirable vector beams on the two high-order Poincare spheres can be generated by incorporating the noncommutation and certain input… read more here.
Keywords: vector beams; berry phase; pancharatnam berry; noncommutation ... See more keywords
Multi-focus hologram utilizing Pancharatnam-Berry phase elements based metamirror.
Sign Up to like & getrecommendations! Published in 2019 at "Optics letters"
DOI: 10.1364/ol.44.002189
Abstract: An ultrathin reflection-type metamirror is proposed for multi-focusing with any desired focusing fashion including focal number and location. The metamirror is composed of reflection-type Pancharatnam-Berry (P-B) phase elements, which are able to provide full reflection… read more here.
Keywords: metamirror; berry phase; pancharatnam berry; reflection ... See more keywords
Effect of γ′ Phase Elements on Oxidation Behavior of Nanocrystalline Coatings at 1050 °C
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DOI: 10.3390/ma14010202
Abstract: To study the effect of γ′ phase elements on the oxidation behavior of nanocrystalline coatings, two comparable nanocrystalline coating systems were established and prepared by magnetron sputtering. The oxidation experiments of the nanocrystalline coatings on… read more here.
Keywords: nanocrystalline coatings; phase elements; effect phase; elements oxidation ... See more keywords
Nonlinear Aggregation of Phase Elements on the Unit Circle under Parametric External Fields
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DOI: 10.7566/jpsj.94.114003
Abstract: We investigate nonlinear aggregation dynamics of phase elements distributed on the unit circle under parametrically modulated external fields. Our model, inspired by flaky particle rotation in fluids, employs the equation ${d\alpha/dt} = \lambda(t)\sin 2(\alpha -… read more here.
Keywords: phase elements; aggregation; nonlinear aggregation; external fields ... See more keywords