Tunable LWIR Notch Filter Metasurfaces

Award Information
Agency: Department of Defense
Branch: Army
Contract: W911QX-18-C-0002
Agency Tracking Number: A2-7004
Amount: $504,999.76
Phase: Phase II
Program: SBIR
Solicitation Topic Code: A16-094
Solicitation Number: 2016.2
Solicitation Year: 2016
Award Year: 2018
Award Start Date (Proposal Award Date): 2018-04-05
Award End Date (Contract End Date): 2019-04-04
Small Business Information
6201 East Oltorf St., Austin, TX, 78741
DUNS: 100651798
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Mark Lucente, Ph.D.
 (512) 389-9990
Business Contact
 Michael Mayo
Phone: (512) 389-9990
Email: mmayo@nanohmics.com
Research Institution
For dynamic protection of LWIR sensors from laser dazzler threats, Nanohmics, Inc., proposes to develop a thin, light-weight, electronically tunable notch filter based on microfabricated graphene-integrated metasurfaces.The optical filter can reject a specific narrow spectral line (notch) or multiple simultaneous notches.The metasurface comprises an engineered array of resonant microstructure nanoantennas that leverage standard materials and microfabrication techniques to reduce costs and provide a rapid route to commercialization.With no moving parts, the notch filter is rugged and consumes little power.In Phase I Nanohmics designed, fabricated, and tested proof-of-concept filters with TRL 3, demonstrating the feasibility of a tunable LWIR notch filter based on optical metasurfaces for dynamic protection of sensor instruments in the LWIR spectral band, 8-12 m.Phase I laboratory tests and modeling strengthened the design for a scaled-up, high-rejection prototype, which will be developed to TRL 5 and provided to the Army by the end of Phase II.It will be thermally engineered to operate properly for optical irradiance of 100 mW/sq.cm.The thin (<5 mm) notch filter will be rapidly tunable with a switching rate of 60 Hz, and highly insensitive to polarization and angle of incidence, with an acceptance angle of 32.

* Information listed above is at the time of submission. *

Agency Micro-sites

SBA logo
Department of Agriculture logo
Department of Commerce logo
Department of Defense logo
Department of Education logo
Department of Energy logo
Department of Health and Human Services logo
Department of Homeland Security logo
Department of Transportation logo
Environmental Protection Agency logo
National Aeronautics and Space Administration logo
National Science Foundation logo
US Flag An Official Website of the United States Government