Plasmonic mid-infrared beam steering

D. C. Adams; S. Thongrattanasiri; T. Ribaudo; V. A. Podolskiy; D. Wasserman

doi:10.1063/1.3431665

Plasmonic mid-infrared beam steering

D. C. Adams, S. Thongrattanasiri, T. Ribaudo, V. A. Podolskiy, D. Wasserman

Research output: Contribution to journal › Article › peer-review

Abstract

We present a metal/semiconductor beam steering device for use in the mid-infrared wavelength range. We demonstrate how changing the frequency of the incident light results in a smoothly varying shift in the angular distribution of the transmitted beam, and we present an analysis of the beam profile for a number of different wavelengths. Finally we verify that a similar steering effect is achieved with fixed frequency incident light and a modification of the permittivity of the semiconductor substrate, ultimately resulting in a 3° shift in the transmitted beam angle for minimal shifts in the semiconductor permittivity.

Original language	English (US)
Article number	201112
Journal	Applied Physics Letters
Volume	96
Issue number	20
DOIs	https://doi.org/10.1063/1.3431665
State	Published - May 17 2010
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.3431665

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abstract = "We present a metal/semiconductor beam steering device for use in the mid-infrared wavelength range. We demonstrate how changing the frequency of the incident light results in a smoothly varying shift in the angular distribution of the transmitted beam, and we present an analysis of the beam profile for a number of different wavelengths. Finally we verify that a similar steering effect is achieved with fixed frequency incident light and a modification of the permittivity of the semiconductor substrate, ultimately resulting in a 3° shift in the transmitted beam angle for minimal shifts in the semiconductor permittivity.",

author = "Adams, {D. C.} and S. Thongrattanasiri and T. Ribaudo and Podolskiy, {V. A.} and D. Wasserman",

note = "Funding Information: The authors would like to thank C. Gmachl and the NSF-ERC Mid-Infrared Technology for Health and the Environment, (Grant No. EEC-0540832) for use of the 10 μ m Daylight Solutions tunable laser. This work was sponsored under Air Force Research Laboratory under Grant No. FA8650-08-C-1445, Office of Naval Research under Grant No. N00014-07-1-0457, and National Science Foundation under Grant Nos. ECCS-0724763 and ECCS-0925542. ",

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AU - Ribaudo, T.

AU - Podolskiy, V. A.

AU - Wasserman, D.

N1 - Funding Information: The authors would like to thank C. Gmachl and the NSF-ERC Mid-Infrared Technology for Health and the Environment, (Grant No. EEC-0540832) for use of the 10 μ m Daylight Solutions tunable laser. This work was sponsored under Air Force Research Laboratory under Grant No. FA8650-08-C-1445, Office of Naval Research under Grant No. N00014-07-1-0457, and National Science Foundation under Grant Nos. ECCS-0724763 and ECCS-0925542.

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AB - We present a metal/semiconductor beam steering device for use in the mid-infrared wavelength range. We demonstrate how changing the frequency of the incident light results in a smoothly varying shift in the angular distribution of the transmitted beam, and we present an analysis of the beam profile for a number of different wavelengths. Finally we verify that a similar steering effect is achieved with fixed frequency incident light and a modification of the permittivity of the semiconductor substrate, ultimately resulting in a 3° shift in the transmitted beam angle for minimal shifts in the semiconductor permittivity.

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Plasmonic mid-infrared beam steering

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