, Volume 54, Issue 11, pp 1310-1314
Date: 06 Dec 2009

Josephson admittance spectroscopy of log-periodic antenna at the submillimeter wavelength range

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Abstract

Application of Josephson admittance spectroscopy for the spectral analysis of a broad-band log-periodic antenna was demonstrated at the frequency range from 50 to 700 GHz. A real part of the antenna admittance was reconstructed as a function of the frequency, when the antenna was connected to a Josephson junction. Small-scale features were observed on this dependence. They demonstrated a periodicity in the logarithmic frequency scale and were related to the antenna resonances.

Original Russian Text © O.Yu. Volkov, Yu.Ya. Divin, V.N. Gubankov, I.I. Gundareva, V.V. Pavlovskiy, 2009, published in Radiotekhnika i Elektronika, 2009, Vol. 54, No. 11, pp. 1381–1386.