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Proceedings Paper

Generation of space-variant polarized beams by use of segmented subwavelength metallic gratings
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Paper Abstract

The generation of space-variant polarized beams by segmented subwavelength metallic gratings is demonstrated theoretically and experimentally. First, the subwavelength metallic gratings acting as a polarizing beam splitters are designed and fabricated, and its transmission properties are measured. Next, the devices composed of space-variant subwavelength metallic gratings are proposed to convert incident circularly polarized beams into space-variant polarized beams. Several types of devices are fabricated by using of e-beam lithography (EBL) and reactive ion etching (RIE) technology. Finally, the intensity and polarization properties of generated beams are measured which show a good performance of high polarization purity.

Paper Details

Date Published: 5 December 2011
PDF: 8 pages
Proc. SPIE 8198, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration, 81980L (5 December 2011); doi: 10.1117/12.904403
Show Author Affiliations
Zhehai Zhou, Beijing Information Science and Technology Univ. (China)
Tsinghua Univ. (China)
Qiaofeng Tan, Tsinghua Univ. (China)


Published in SPIE Proceedings Vol. 8198:
2011 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration

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