期刊
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
卷 33, 期 2, 页码 A66-A71出版社
OPTICAL SOC AMER
DOI: 10.1364/JOSAB.33.000A66
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- Hungarian Academy of Sciences
- National Development Agency Hungary [KMR-12-1-2012-0008]
- EUREKA (MetaFer)
Aberration-free flat lenses can be created by introducing phase discontinuities with hyperboloidal distribution on a metasurface. These lenses are able to focus light without aberration under axial illumination but suffer from serious aberration in cases of oblique incidence. Here we introduce a simple design, including an aperture stop and a flat lens with a modified phase distribution that has negligible aberration for incident angles in the range of -40 degrees to 40 degrees. With this design, diffraction-limited imaging systems can be created for a wide incident angle range without the need for complex lens systems. (C) 2016 Optical Society of America
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