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- Title
On the conservation of optical angular momentum at acoustogyration diffraction of light.
- Authors
Skab, I.; Vlokh, R.
- Abstract
A phenomenon of acoustogyration diffraction of light is analysed from the viewpoint of conservation of optical angular momentum. It is shown that the availability of optical angular momentum in the diffracted optical beam can be necessarily inferred from the requirements of angular-momentum conservation law. As follows from our analysis, circularly polarised diffracted wave should bear a doubly charged vortex, while its wave front should reveal a singularity typical of scalar fields. The efficiency of the spin-to-orbit momentum conversion is governed by the efficiency of acoustogyration diffraction of light.
- Subjects
OPTICAL diffraction; ANGULAR momentum (Mechanics); SCALAR field theory; PHYSICAL optics; WAVE mechanics; ELECTRODYNAMICS
- Publication
Ukrainian Journal of Physical Optics, 2012, Vol 13, Issue 1, p1
- ISSN
1609-1833
- Publication type
Article
- DOI
10.3116/16091833/13/1/1/2012