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Generation of nondiffracting quasi-circular polarization beams using an amplitude modulated phase hologram |
JOSA A, Vol. 28, Issue 8, pp. 1716-1720 (2011)
http://dx.doi.org/10.1364/JOSAA.28.001716
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Abstract
We propose an approach to the generation of nondiffracting quasi-circularly polarized beams by a highly focusing azimuthally polarized beam using an amplitude modulated spiral phase hologram. Numerical verifications are implemented in the calculation of the electromagnetic fields and Poynting vector field near the focus based on the vector diffraction theory, and the polarization of the wavefront near the focal plane is analyzed in detail by calculating the Stokes polarization parameters. It is found that the electric field, magnetic field, and Poynting vector field can simultaneously be uniform and nondiverging over a relatively long axial range of
© 2011 Optical Society of America
OCIS Codes
(050.1960) Diffraction and gratings : Diffraction theory
(140.3300) Lasers and laser optics : Laser beam shaping
(230.6120) Optical devices : Spatial light modulators
(260.5430) Physical optics : Polarization
ToC Category:
Physical Optics
History
Original Manuscript: May 4, 2011
Revised Manuscript: July 1, 2011
Manuscript Accepted: July 2, 2011
Published: July 27, 2011
Citation
G. H. Yuan, S. B. Wei, and X.-C. Yuan, "Generation of nondiffracting quasi-circular polarization beams using an amplitude modulated phase hologram," J. Opt. Soc. Am. A 28, 1716-1720 (2011)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-28-8-1716
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