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Proceedings Paper

Controlled emission of polarized infrared light by a nanocavity equipped optical source
Author(s): K. Ikeda; H. T. Miyazaki; T. Kasaya; K. Yamamoto; Y. Inoue; K. Fujimura; T. Kanakugi; M. Okada; K. Hatade
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Paper Abstract

This paper presents the development of a nanofabricated mid-infrared optical source, thermally emitting linearly polarized light. The optical source in the current study is a heated series of one-dimensional metal-insulator-metal cavities with a closed end on a Au surface. This closed cavity exhibits the so-called organ pipe resonance resulting in specific frequencies being selectively emitted from the blackbody heat source. This characteristic results in the control of the thermal radiation, thereby emitting a narrow infrared spectrum at a specific wavelength of 2.5-5.35 micro-meters. The wavelength is specified by a theoretical model and 100nm wide, 1000nm deep dimensions of the cavity were accurately manufactured. The maximum emittance reaches 0.90, and the peak width Δλ/λ is as narrow as 0.13-0.23. As a demonstration, the Cyclohexane concentration in Benzene is determined with a simple optical system. This simple emitter is expected to play a key role in the infrared sensing technologies for analyzing our environment.

Paper Details

Date Published: 1 February 2008
PDF: 8 pages
Proc. SPIE 6900, Quantum Sensing and Nanophotonic Devices V, 690009 (1 February 2008); doi: 10.1117/12.762754
Show Author Affiliations
K. Ikeda, Nalux Co., Ltd. (Japan)
H. T. Miyazaki, National Institute for Materials Science (Japan)
T. Kasaya, National Institute for Materials Science (Japan)
K. Yamamoto, Nalux Co., Ltd. (Japan)
Y. Inoue, Nalux Co., Ltd. (Japan)
K. Fujimura, Nalux Co., Ltd. (Japan)
T. Kanakugi, Nalux Co., Ltd. (Japan)
M. Okada, Nalux Co., Ltd. (Japan)
K. Hatade, Nalux Co., Ltd. (Japan)

Published in SPIE Proceedings Vol. 6900:
Quantum Sensing and Nanophotonic Devices V
Rengarajan Sudharsanan; Christopher Jelen, Editor(s)

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