Dynamically Tunable Metamaterials

Award Information
Agency:
Department of Defense
Branch
Army
Amount:
$747,259.00
Award Year:
2011
Program:
STTR
Phase:
Phase II
Contract:
W31P4Q-11-C-0098
Award Id:
n/a
Agency Tracking Number:
A2-4108
Solicitation Year:
2009
Solicitation Topic Code:
A09A-T002
Solicitation Number:
2009.A
Small Business Information
410 Jan Davis Drive, Huntsville, AL, -
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
625694500
Principal Investigator:
MilanBuncick
Head Scientist
(256) 922-0802
mbuncick@aegistg.com
Business Contact:
BethAmbroz
Contracts Manager
(256) 922-0802
bambroz@aegistg.com
Research Institute:
The University of Texas at Austin
Andrea Alu
ENS 616
1 University Station C0803
Austin, TX, 78712-
(512) 471-5922

Abstract
The technology, theory and fabrication of metamaterials have seen impressive progress in the last few years, and various applied fields have benefited from the flexibility of electromagnetic response that metamaterials provide at microwaves, infrared (IR) and/or optical frequencies. Negative-refractive and zero-permittivity metamaterials have been proposed for breakthrough novel applications in many fields, spanning engineering, physics and optics. The objective of this proposal is to design, develop and fabricate proof-of-concept examples of the following tunable geometries: (1) 1-D and 2-D metamaterials composed of metallic gratings as thin optical absorbers and reflectors. We will exploit enhanced absorption and reflection to create new photonic devices by filling the slits with optically active or non-linear material, to create tunable and controllable metamaterial properties; (2) Dynamically tunable 2-D and 3-D arrays of plasmonic nano-antennas loaded with optically active or nonlinear Kerr materials. The concept of nanoantennas has been recently introduced in optics, providing a much required bridge between strongly enhanced local fields and free-space radiation; (3) Dynamically tunable artificially magnetic optical metamaterials. We will exploit the inherent resonant fields near artificially magnetic structures in a metamaterial to induce dynamic tunability. (4) Design and fabricate novel optical nanodevices by applying these concepts.

* information listed above is at the time of submission.

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