Josephson admittance spectroscopy of log-periodic antenna at the submillimeter wavelength range
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- Volkov, O.Y., Divin, Y.Y., Gubankov, V.N. et al. J. Commun. Technol. Electron. (2009) 54: 1310. doi:10.1134/S1064226909110114
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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.