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Tight focusing properties of hybridly polarized vector beams |
JOSA A, Vol. 29, Issue 6, pp. 1099-1104 (2012)
http://dx.doi.org/10.1364/JOSAA.29.001099
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Abstract
We theoretically investigate the tight focusing properties of hybridly polarized vector beams. Some numerical results are obtained to illustrate the intensity, phase, and polarization of tightly focused hybridly polarized vector beams. It is shown that the shape of the focal pattern may change from an elliptical beam to a ring focus with increasing radial index. The phase distribution around the tightly focused ring is shown to be the helical phase profile, indicating that the radial-variant spin angular momentum of hybridly polarized vector beams can be converted into the radial-variant orbital angular momentum.
© 2012 Optical Society of America
OCIS Codes
(260.5430) Physical optics : Polarization
(350.5030) Other areas of optics : Phase
(350.4855) Other areas of optics : Optical tweezers or optical manipulation
(050.4865) Diffraction and gratings : Optical vortices
ToC Category:
Physical Optics
History
Original Manuscript: November 30, 2011
Revised Manuscript: February 15, 2012
Manuscript Accepted: March 13, 2012
Published: June 1, 2012
Virtual Issues
Vol. 7, Iss. 8 Virtual Journal for Biomedical Optics
Citation
Kelei Hu, Ziyang Chen, and Jixiong Pu, "Tight focusing properties of hybridly polarized vector beams," J. Opt. Soc. Am. A 29, 1099-1104 (2012)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josaa-29-6-1099
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