期刊
APPLIED PHYSICS LETTERS
卷 102, 期 23, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4810873
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资金
- US Air Force [FA4600-06-D003]
- National Science Foundation Materials Research Science and Engineering Center [DMR 1120923]
A metasurface lens that focuses light and controls its polarization at a wavelength of 2 mu m is presented. This lens demonstrates high transmission and complete phase control within a subwavelength thickness at near-infrared frequencies. By cascading four patterned sheets, the efficiency is dramatically improved over more common single sheet designs. In addition, by utilizing anisotropic sheets, arbitrary birefringence can be achieved. A planar lens that both focuses light and converts its polarization from linear to circular is analyzed. (C) 2013 AIP Publishing LLC.
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