Nondiffracting wave properties in radially and azimuthally symmetric optical axis phase plates
Optics Letters, Vol. 34, Issue 23, pp. 3641-3643 (2009)
http://dx.doi.org/10.1364/OL.34.003641
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Abstract
A wave propagation analysis carried out in two kinds of q-plates having topological unit charge (1-plates), one plate with a radial orientation of the optical axis and the other with an azimuthal one, reveals that these devices admit nondiffracting Bessel beams as exact solutions of the vector Helmholtz’s equation. The phase shifts between the ordinary and the extraordinary waves in both structures were found to be different. The polarization-scrambling term in the Helmholtz equation is responsible for such differences, emphasizing that this term cannot be dropped in radial plates, contrary to the azimuthal case. A phase shift analysis suggests that these plates are relevant for the control of nonconventional polarization states of light. In this way, a novel redistribution of the spin-orbital angular momentum of these nondiffracting beams passing by the 1-plate is demonstrated, which could be useful for applications in classic and quantum regimes.
© 2009 Optical Society of America
OCIS Codes
(230.3720) Optical devices : Liquid-crystal devices
(260.1440) Physical optics : Birefringence
(350.5500) Other areas of optics : Propagation
ToC Category:
Physical Optics
History
Original Manuscript: August 25, 2009
Revised Manuscript: October 7, 2009
Manuscript Accepted: October 7, 2009
Published: November 20, 2009
Citation
Pablo Vaveliuk, "Nondiffracting wave properties in radially and azimuthally symmetric optical axis phase plates," Opt. Lett. 34, 3641-3643 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-23-3641
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