超导约瑟夫森结在频谱信息检测中的应用  

Application of Josephson junction in the spectral information detection

作　　者：叶苏俐[1] 许伟伟[1] 陈健[1] 张彩虹[1] 康琳[1] 吴培亨[1] 

机构地区：[1]南京大学超导电子研究所,南京210093

出　　处：《低温与超导》2007年第5期399-402,共4页Cryogenics and Superconductivity

基　　金：国家"863"项目(2006AA03Z214);国家自然科学基金项目(10474036)(10390163)资助

摘　　要：开展了利用超导约瑟夫森效应进行频谱检测的研究。利用小型制冷机得到液氮温区环境,并使探测系统小型化、智能化。利用DSP系统进行数据采集、信号处理及对整个测量系统的控制。改进后的系统检测了约100GHz微波辐照的响应,展示了超导约瑟夫森结在频谱信息检测中的优越性。Research on the spectral information detection was done with Josephson junction as a kernel device. Small - size cryocooler was used to create environment near liquid nitrogen and the detection system was a minimized and auto - controlled one. The microwave about 100GHz was detected by the optimized system with the data read and processed by the DSP board . This work shows great superiority of Josephson Junction over other devices in the spectral information detection.

关 键 词：THZ DSP D/A 超导约瑟夫森结 

分 类 号：TN929.5[电子电信—通信与信息系统]