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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 9 — May. 1, 2014
  • pp: 2719–2722

Optical metasurfaces for beam scanning in space

Jierong Cheng and Hossein Mosallaei  »View Author Affiliations


Optics Letters, Vol. 39, Issue 9, pp. 2719-2722 (2014)
http://dx.doi.org/10.1364/OL.39.002719


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Abstract

The concept of a layered metasurface constructed from loop nanoantennas for beam scanning in space is explored. Each layer of the metasurface can be envisioned as a shunt impedance sheet designable by modifying the loop configuration cell by cell. The single and concentric loop nanoantennas made of silver provide capacitive and inductive impedances, respectively, with negligible loss at 1.5 μm, managing full control of the beam phase and amplitude. A telecom metasurface for beam scanning in 3D space is presented. The complex structure is modeled with an in-house-developed finite-difference time-domain method considering interactions among elements, in contrast to many designs in which isolated elements are simulated by assuming local periodicity.

© 2014 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(260.3910) Physical optics : Metal optics
(350.4600) Other areas of optics : Optical engineering
(160.3918) Materials : Metamaterials

ToC Category:
Materials

History
Original Manuscript: February 17, 2014
Revised Manuscript: March 19, 2014
Manuscript Accepted: March 27, 2014
Published: April 25, 2014

Citation
Jierong Cheng and Hossein Mosallaei, "Optical metasurfaces for beam scanning in space," Opt. Lett. 39, 2719-2722 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-9-2719


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