New derivation of the spin of the Electromagnetic field
Sign Up to like & getrecommendations! Published in 2019 at "Optik"
DOI: 10.1016/j.ijleo.2019.03.074
Abstract: Abstract A new derivation of the electromagnetic field spin angular momentum is introduced. The conservation of the spin angular momentum is found to be connected with the orthogonality property of the electromagnetic field. The equation… read more here.
Keywords: spin angular; new derivation; spin; electromagnetic field ... See more keywords
Spin angular momentum of gravitational wave interference
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DOI: 10.1088/1367-2630/abf23f
Abstract: Spin angular momentum (SAM) is an important feature for wave systems, prominent in various properties like spin-momentum locking of wave propagations. Here, we study the SAM of gravitational waves in general relativity based on the… read more here.
Keywords: spin angular; gravitational wave; interference; wave ... See more keywords
Orbital-to-spin angular momentum conversion employing local helicity
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.99.075155
Abstract: Spin-orbit interactions in optics traditionally describe an influence of the polarization degree of freedom of light on its spatial properties. The most prominent example is the generation of a spin-dependent optical vortex upon focusing or… read more here.
Keywords: orbital spin; momentum; angular momentum; helicity ... See more keywords
Stable optical lateral forces from inhomogeneities of the spin angular momentum
Sign Up to like & getrecommendations! Published in 2022 at "Science Advances"
DOI: 10.1126/sciadv.abn2291
Abstract: Transverse spin momentum related to the spin angular momentum (SAM) of light has been theoretically studied recently and predicted to generate an intriguing optical lateral force (OLF). Despite extensive studies, there is no direct experimental… read more here.
Keywords: spin angular; stable optical; optical lateral; angular momentum ... See more keywords
Structured spin angular momentum in highly focused cylindrical vector vortex beams for optical manipulation.
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DOI: 10.1364/oe.26.023449
Abstract: We investigate the spin properties of a family of cylindrical vector vortex beams under a focusing condition. The spin-orbit interaction is demonstrated by comparing the energy flow and spin flow density of the focused field… read more here.
Keywords: spin angular; optical manipulation; angular momentum; spin ... See more keywords
Understanding of transverse spin angular momentum in tightly focused linearly polarized vortex beams.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.449583
Abstract: Spin angular momentum (SAM) is widely used in spin-dependent unidirectional optical interfaces, optical manipulation, integrated optical signal processing, laser structuring and other fields, but its physical mechanism has not been fully understood so far. In… read more here.
Keywords: spin angular; vortex beams; tightly focused; angular momentum ... See more keywords
Spin angular momentum and nonreciprocity of ghost surface polariton in antiferromagnets.
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DOI: 10.1364/oe.466066
Abstract: We investigated the spin angular momentum (SAM) and nonreciprocity of ghost surface polariton (GSP) at the surface of an antiferromagnet (AF) in the normal geometry, where the AF easy axis and external field (H0) both… read more here.
Keywords: spin angular; angular momentum; ghost surface; surface ... See more keywords
Large in-plane asymmetric spin angular shifts of a light beam near the critical angle.
Sign Up to like & getrecommendations! Published in 2019 at "Optics letters"
DOI: 10.1364/ol.44.000207
Abstract: The photonic spin Hall effect (SHE) manifests itself as the transverse and in-plane spin-dependent shifts of a light beam. Normally, the spin shifts are tiny due to the weak spin-orbit coupling. Therefore, it is very… read more here.
Keywords: plane; angular shifts; shifts light; spin ... See more keywords
Spin angular momentum density in the tight focus of a light field with phase and polarization singularities
Sign Up to like & getrecommendations! Published in 2019 at "Computer Optics"
DOI: 10.18287/2412-6179-2019-43-6-1098-1102
Abstract: For a light field with both phase and polarization singularities at its center, expressions are obtained that describe the distribution of the spin angular momentum (SAM) density in the sharp focal spot of an aplanatic… read more here.
Keywords: spin angular; phase polarization; angular momentum; field phase ... See more keywords