Temat: spin angular momentum

Skocz do pozycji: 1.

Tytuł:: Optical torques and forces in birefringent microplate
Autorzy:: Zenkova, C. Y.
Ivanskyi, D. I.
Kiyashchuk, T. V.
Tematy:: evanescent wave
spin angular momentum
birefringent microplate; Pokaż więcej
Data publikacji:: 2017
Powiązania:: https://bibliotekanauki.pl/articles/174384.pdf Link otwiera się w nowym oknie
Źródło:: Optica Applicata; 2017, 47, 3; 483-493
0078-5466
1899-7015
Pojawia się w:: Optica Applicata
Opis:: The paper presents a theoretical model for calculating the optical forces caused by the density of spin and orbital momentum and optical torque, caused by the angular momentum typical for a circularly polarized beam or a circular component of an elliptically polarized beam. Total internal reflection at the plate–air interface implemented by the birefringent plate spattered with nanoparticles of gold creates the conditions for the allocation of the predominant action of the vertical spin of the evanescent wave, which has recently been predicted theoretically.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Review on the structured light properties : rotational features and singularities
Autorzy:: Angelsky, Oleg V.
Bekshaev, Aleksandr Ya.
Mokhun, Igor I.
Vasnetsov, Mikhail V.
Zenkova, Claudia Yu.
Hanson, Steen G.
Zheng, Jun
Tematy:: singularity spin and orbital angular momentum
energy flow
structured light
optical vortices; Pokaż więcej
Data publikacji:: 2022
Powiązania:: https://bibliotekanauki.pl/articles/2063906.pdf Link otwiera się w nowym oknie
Źródło:: Opto-Electronics Review; 2022, 30, 2; art. no. e140860
1230-3402
Pojawia się w:: Opto-Electronics Review
Opis:: The review exposes basic concepts and manifestations of the singular and structured light fields. The presentation is based on deep intrinsic relations between the singularities and the rotational phenomena in light; it involves essentially the dynamical aspects of light fields and their interactions with matter. Due to their topological nature, the singularities of each separate parameter (phase, polarization, energy flow, etc.) form coherent interrelated systems (singular networks), and the meaningful interconnections between the different singular networks are analysed. The main features of singular-light structures are introduced via generic examples of the optical vortex and circular vortex beams. The review describes approaches for generation and diagnostics of different singular networks and underlines the role of singularities in formation of optical field structures. The mechanical action of structured light fields on material objects is discussed on the base of the spin-orbital (canonical) decomposition of electromagnetic momentum, expressing the special roles of the spin (polarization) and spatial degrees of freedom. Experimental demonstrations spectacularly characterize the topological nature and the immanent rotational features of the light-field singularities. The review is based on the results obtained by its authors with a special attention to relevant works of other researchers.
Dostawca treści:: Biblioteka Nauki

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