Affiliation:
1. Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA.
2. University of Waterloo, Waterloo, ON N2L 3G1, Canada.
Abstract
Multifunction planar optics
Specially designed two-dimensional (2D) arrays of nanometer-scale metallic antennas, or metasurfaces, may allow bulky optical components to be shrunk down to a planar device structure. Khorasaninejad
et al.
show that arrays of nanoscale fins of TiO can function as high-end optical lenses. At just a fraction of the size of optical objectives, such planar devices could turn your phone camera or your contact lens into a compound microscope. Maguid
et al.
interleaved sparse 2D arrays of metal antennas to get multifunctional behavior from the one planar device structure (see the Perspective by Litchinitser). The enhanced functionality of such designed metasurfaces could be used in sensing applications or to increase the communication capacity of nanophotonic networks.
Science
, this issue pp.
1190
and
1202
; see also p.
1177
Funder
Air Force Office of Scientific Research
MURI
Charles Stark Draper Laboratory, Inc.
Thorlabs Inc.
Ministry of Science and Technology, Taiwan
Charles Stark Draper Fellowship
Harvard John A. Paulson School of Engineering and Applied Sciences
A*STAR Singapore
National Science Scholarship
Publisher
American Association for the Advancement of Science (AAAS)
Cited by
2654 articles.
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