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Mid-infrared tunable metamaterials

United States Patent

April 28, 2015
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
A mid-infrared tunable metamaterial comprises an array of resonators on a semiconductor substrate having a large dependence of dielectric function on carrier concentration and a semiconductor plasma resonance that lies below the operating range, such as indium antimonide. Voltage biasing of the substrate generates a resonance shift in the metamaterial response that is tunable over a broad operating range. The mid-infrared tunable metamaterials have the potential to become the building blocks of chip based active optical devices in mid-infrared ranges, which can be used for many applications, such as thermal imaging, remote sensing, and environmental monitoring.
Brener; Igal (Albuquerque, NM), Miao; Xiaoyu (Sunnyvale, CA), Shaner; Eric A. (Rio Rancho, NM), Passmore; Brandon Scott (Fayetteville, AR), Jun; Young Chul (Albuquerque, NM)
Sandia Corporation (Albuquerque, NM)
13/ 716,324
December 17, 2012
STATEMENT OF GOVERNMENT INTEREST This invention was made with Government support under contract no. DE-AC04-94AL85000 awarded by the U.S. Department of Energy to Sandia Corporation. The Government has certain rights in the invention.