Radially and azimuthally polarized beams generated by space-variant dielectric subwavelength gratings
Optics Letters, Vol. 27, Issue 5, pp. 285-287 (2002)
http://dx.doi.org/10.1364/OL.27.000285
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Abstract
We present a novel method for forming radially and azimuthally polarized beams by using computer-generated subwavelength dielectric gratings. The elements were deposited upon GaAs substrates and produced beams with a polarization purity of 99.2% at a wavelength of 10.6 µm . We have verified the polarization properties with full space-variant polarization analysis and measurement, and we show that such beams have certain vortexlike properties and that they carry angular momentum.
© 2002 Optical Society of America
[Optical Society of America ]
OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(050.2770) Diffraction and gratings : Gratings
(230.5440) Optical devices : Polarization-selective devices
(260.5430) Physical optics : Polarization
Citation
Ze’ev Bomzon, Gabriel Biener, Vladimir Kleiner, and Erez Hasman, "Radially and azimuthally polarized beams generated by space-variant dielectric subwavelength gratings," Opt. Lett. 27, 285-287 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-5-285
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