Controlled thermal emission of two-color polarized infrared light from arrayed plasmon nanocavities

K. Ikeda; H. T. Miyazaki; T. Kasaya; K. Yamamoto; Y. Inoue; K. Fujimura; T. Kanakugi

doi:10.1117/12.794456

28 August 2008 Controlled thermal emission of two-color polarized infrared light from arrayed plasmon nanocavities

K. Ikeda, H. T. Miyazaki, T. Kasaya, K. Yamamoto, Y. Inoue, K. Fujimura, T. Kanakugi

Proceedings Volume 7033, Plasmonics: Nanoimaging, Nanofabrication, and Their Applications IV; 70331N (2008) https://doi.org/10.1117/12.794456
Event: NanoScience + Engineering, 2008, San Diego, California, United States

Abstract

We have developed thermal emitters of linearly polarized and narrow-band mid-infrared light based on highly controlled plasmon resonance in narrow and deep rectangular Au gratings. This optical source is a series of one-dimensional metal-insulator-metal optical cavities with a closed end. This characteristic results in the control of the thermal radiation, emitting a narrow infrared spectrum at a specific wavelength of 2.5-5.5 micro-meters. The wavelength is specified 100nm wide, 1000nm deep dimensions of the cavity were accurately manufactured. The maximum emittance reaches 0.90, and the FWHM/wavelength of the peak is as narrow as 0.13-0.23. Furthermore, we have demonstrated simple chemical analysis based on orthogonally polarized two-color infrared waves emitted from an integrated grating. This simple emitter is expected to play a key role in the infrared sensing technologies for analyzing our environment.

Citation Download Citation

K. Ikeda, H. T. Miyazaki, T. Kasaya, K. Yamamoto, Y. Inoue, K. Fujimura, and T. Kanakugi "Controlled thermal emission of two-color polarized infrared light from arrayed plasmon nanocavities", Proc. SPIE 7033, Plasmonics: Nanoimaging, Nanofabrication, and Their Applications IV, 70331N (28 August 2008); https://doi.org/10.1117/12.794456

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