Hilbert spectroscopy from gigahertz to terahertz frequencies by high-Tc Josephson junctions
作者： Y.Y Divin , O.Y Volkov , M Liatti , V.V Shirotov , V.V Pavlovskii
DOI: 10.1016/S0921-4534(02)00712-8
关键词: High-temperature superconductivity 、 Junction temperature 、 Physics 、 Electromagnetic radiation 、 Condensed matter physics 、 Terahertz radiation 、 Josephson effect 、 Spectroscopy 、 Dynamic range 、 Particle detector
摘要: Abstract Hilbert spectroscopy is based on a frequency-selective detection of electromagnetic radiation by Josephson junction described the resistively shunted (RSJ) model. The YBa 2 Cu 3 O 7− x grain-boundary junctions fabricated NdGaO bicrystals were found to be close RSJ General-purpose spectrometers developed and characterized using voltage-biased low-resistance junctions. spectral bandwidth was shown several frequency decades for any temperature between 48 85 K. A total from 6 GHz 2.5 THz has been covered one at different temperatures. resolving power f /δ three orders in terahertz range. dynamic range intensities five orders.
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