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Spin-to-orbit conversion at acousto-optic diffraction of light: conservation of optical angular momentum |
Applied Optics, Vol. 51, Issue 10, pp. C22-C26 (2012)
http://dx.doi.org/10.1364/AO.51.000C22
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Abstract
Acousto-optic diffraction of light in optically active cubic crystals is analyzed from the viewpoint of conservation of optical angular momentum. It is shown that the availability of angular momentum in the diffracted optical beam can be necessarily inferred from the requirements of angular momentum conservation law. As follows from our analysis, a circularly polarized diffracted wave should bear an orbital angular momentum. The efficiency of the spin-to-orbit momentum conversion is governed by the efficiency of acousto-optic diffraction.
OCIS Codes
(070.1060) Fourier optics and signal processing : Acousto-optical signal processing
(260.1180) Physical optics : Crystal optics
(260.6042) Physical optics : Singular optics
History
Original Manuscript: November 30, 2011
Revised Manuscript: January 12, 2012
Manuscript Accepted: January 20, 2012
Published: March 16, 2012
Citation
Ihor Skab and Rostyslav Vlokh, "Spin-to-orbit conversion at acousto-optic diffraction of light: conservation of optical angular momentum," Appl. Opt. 51, C22-C26 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-10-C22
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