Space-variant Pancharatnam-Berry phase optical elements with computer-generated subwavelength gratings
- PMID: 18026387
- DOI: 10.1364/ol.27.001141
Space-variant Pancharatnam-Berry phase optical elements with computer-generated subwavelength gratings
Abstract
Space-variant Pancharatnam-Berry phase optical elements based on computer-generated subwavelength gratings are presented. By continuously controlling the local orientation and period of the grating we can achieve any desired phase element. We present a theoretical analysis and experimentally demonstrate a Pancharatnam-Berry phase-based diffraction grating for laser radiation at a wavelength of 10.6microm.
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