Pancharatnam--Berry phase in space-variant polarization-state manipulations with subwavelength gratings
Optics Letters, Vol. 26, Issue 18, pp. 1424-1426 (2001)
http://dx.doi.org/10.1364/OL.26.001424
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Abstract
We report the appearance of a geometrical phase in space-variant polarization-state manipulations. This phase is related to the classic Pancharatnam–Berry phase. We show a method with which to calculate it and experimentally demonstrate its effect, using subwavelength metal stripe space-variant gratings. The experiment is based on a unique grating for converting circularly polarized light at a wavelength of 10.6 μm into an azimuthally polarized beam. Our experimental evidence relies on analysis of far-field images of the resultant polarization.
© 2001 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
(350.1370) Other areas of optics : Berry's phase
(350.3950) Other areas of optics : Micro-optics
Citation
Ze’ev Bomzon, Vladimir Kleiner, and Erez Hasman, "Pancharatnam--Berry phase in space-variant polarization-state manipulations with subwavelength gratings," Opt. Lett. 26, 1424-1426 (2001)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-26-18-1424
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