Terahertz-to-infrared converter based on metal nanoparticles: potentialities of applications

Kamil A. Moldosanov; Valery M. Lelevkin; Peter V. Kozlov; Andrey K. Kaveev

doi:10.1117/1.JNP.6.061716

13 December 2012 Terahertz-to-infrared converter based on metal nanoparticles: potentialities of applications

Kamil A. Moldosanov, Valery M. Lelevkin, Peter V. Kozlov, Andrey K. Kaveev

Author Affiliations +

Journal of Nanophotonics, Vol. 6, Issue 1, 061716 (December 2012). https://doi.org/10.1117/1.JNP.6.061716

Abstract

In a new type of terahertz (THz)-to-infrared converter for the visualization of THz radiation sources, nanoparticles are embedded in a THz-transparent matrix material. The nanoparticles are made of a metal or an alloy having a partially filled peak of the electron density of states at the Fermi energy. The converter is designed to operate with the THz objective forming a source's image on the matrix, wherein the irradiated nanoparticles convert THz energy to thermal energy, whose spatial distribution is captured by an infrared camera. Nickel nanoparticles are very appropriate for high-frequency THz radiation and can find application in real-time passive imaging of biomedical objects at room temperature. Nanoparticles of compounds with heavy fermions are suitable for low-frequency THz radiation, which could be used to image concealed objects carried by a human being.

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Kamil A. Moldosanov, Valery M. Lelevkin, Peter V. Kozlov, and Andrey K. Kaveev "Terahertz-to-infrared converter based on metal nanoparticles: potentialities of applications," Journal of Nanophotonics 6(1), 061716 (13 December 2012). https://doi.org/10.1117/1.JNP.6.061716

Published: 13 December 2012

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