Mid-infrared tunable metamaterials

Title: Mid-infrared tunable metamaterials

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.

Inventors:: Brener, Igal; Miao, Xiaoyu; Shaner, Eric A.; Passmore, Brandon Scott

Issue Date:: 2017-07-11

OSTI Identifier:: 1369050

Assignee:: National Technology & Engineering Solutions of Sandia, LLC SNL-A

Patent Number(s):: 9,705,311

Application Number:: 12/965,659

Contract Number:: AC04-94AL85000

Resource Relation:: Patent File Date: 2010 Dec 10

Research Org:: Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Sponsoring Org:: USDOE

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE

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