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首页> 外文期刊>Journal of Experimental and Theoretical Physics >Nonthermal Optical Response of Superconductor-Insulator-Normal Metal-Insulator-Superconductor Tunnel Structures
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Nonthermal Optical Response of Superconductor-Insulator-Normal Metal-Insulator-Superconductor Tunnel Structures

机译：超导体-绝缘体-普通金属-绝缘体-超导体隧道结构的非热光学响应

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摘要

Bolometers, which are based on superconductor-insulator-normal metal-insulator-supercon-ductor structures integrated into double slot antennas, are designed and fabricated. The change in the tunneling current in such structures during irradiation at a frequency of 330 GHz is experimentally studied at a temperature of about 0.1 K. It is found that, during irradiation, the energy distribution of electrons has a substantially nonequilibrium form, which differs from the Fermi distribution, and the main contribution to the addition to the tunneling current is made by the electrons that have no time to attain equilibrium within the electron system of the normal metal absorber. The characteristic electron and phonon relaxation times are estimated, and the estimates support the fact that the electron system is strongly nonequilibrium in the radi-ation field.
机译：设计并制造了基于集成在双缝隙天线中的超导体-绝缘体-普通金属-绝缘体-超导体结构的测流计。在约0.1 K的温度下，通过实验研究了在330 GHz频率下辐射期间此类结构中的隧穿电流变化。发现，在辐射期间，电子的能量分布具有基本上非平衡的形式，这与费米分布以及对增加隧穿电流的主要贡献是由于电子没有时间在普通金属吸收体的电子系统中达到平衡。估算了特征性的电子和声子弛豫时间，这些估算结果支持了电子系统在辐射场中非常不平衡的事实。

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