期刊
SCIENCE ADVANCES
卷 5, 期 10, 页码 -出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/sciadv.aax4769
关键词
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资金
- NSF [1825308, NNCI-1542101, 1337840, 0335765]
- Samsung GRO grant
- UW Reality Lab
- Huawei
- NIH
- Molecular Engineering & Sciences Institute
- Clean Energy Institute
- Washington Research Foundation
- M. J. Murdock Charitable Trust
- Altatech
- ClassOne Technology
- GCE Market
- SPTS
- Air Force Office of Scientific Research [FA9550-15RYCOR159]
- [NSF-MRI-1624513]
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [1825308] Funding Source: National Science Foundation
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [1337840] Funding Source: National Science Foundation
Controlling the propagation of optical fields in three dimensions using arrays of discrete dielectric scatterers is an active area of research. These arrays can create optical elements with functionalities unrealizable in conventional optics. Here, we present an inverse design method based on the inverse Mie scattering problem for producing three-dimensional optical field patterns. Using this method, we demonstrate a device that focuses 1.55-mu m light into a depth-variant discrete helical pattern. The reported device is fabricated using two-photon lithography and has a footprint of 144 mu m by 144 mu m, the largest of any inverse-designed photonic structure to date. This inverse design method constitutes an important step toward designer free-space optics, where unique optical elements are produced for user-specified functionalities.
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