Narrowband Perfect Absorber using Metamaterials

Award Information
Agency:
Department of Defense
Branch
Office for Chemical and Biological Defense
Amount:
$497,978.00
Award Year:
2013
Program:
SBIR
Phase:
Phase II
Contract:
W911NF-13-C-0079
Award Id:
n/a
Agency Tracking Number:
C2-0365
Solicitation Year:
2011
Solicitation Topic Code:
CBD11-102
Solicitation Number:
2011.1
Small Business Information
419 Lafayette Street, New York, NY, -
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
145785528
Principal Investigator:
ChrisSarantos
Lead Metamaterials Scient
(805) 637-1067
csarantos@gmail.com
Business Contact:
ThomasJames
CEO
(718) 484-7033
thomas.l.james@gmail.com
Research Institute:
Stub




Abstract
We will continue developing a plasmonic metamaterial with strong absorption within a narrow band that is dynamically tunable over the 8-10 micron range. A metamaterial consisting of one or more bi-layers of thin metal and dielectric films will trap, concentrate and absorb a narrow frequency band while strongly reflecting out-of-band light. Tuning the frequency of the absorption band may be achieved either by MEMS actuation to change geometry, or by carrier density modulation to change the refractive index of semiconductor layers. The metamaterial may be fabricated with standard lithography techniques and processes that are compatible with microbolometer manufacturing. We believe that this plasmonic perfect absorber approach offers considerable advantages over a coupled split-ring and cut wire approach that is being pursued by other groups, because the material losses in real metals will always broaden out a resonance that relies on current loops in metals. By completion of Phase II, we will have evaluated a fully integrated plasmonic absorber microbolometer system for detecting chemical and biological agents.

* information listed above is at the time of submission.

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