| 非对称DC SQUID的数值模拟研究 |
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| 引用本文： | 王会武,谢晓明.非对称DC SQUID的数值模拟研究[J].稀有金属材料与工程,2008(Z4). |
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| 作者姓名： | 王会武 谢晓明 |
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| 作者单位： | 中国科学院上海微系统与信息技术研究所信息功能材料国家重点实验室; |
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| 摘 要： | 磁通电压转换系数是衡量直流超导量子干涉器(DCSQUID)性能的重要指标。使用数值模拟分析SQUID环电感和结临界电流的不对称程度对DCSQUID器件的磁通电压转换系数的影响,比较非对称结构器件和对称结构器件的性能差别。模拟结果显示磁通电压转换系数随着DCSQUID器件不对称程度的增大有提高。在提高磁通电压转换系数的基础上,讨论DCSQUID读出电路简化为直读式电路的可能性。
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| 关 键 词： | 超导量子干涉器 磁通电压转换系数 非对称结构 |
Characteristic of the Asymmetrical DC SQUID Studied by Numerical Simulation |
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| Wang Huiwu,Xie Xiaoming.Characteristic of the Asymmetrical DC SQUID Studied by Numerical Simulation[J].Rare Metal Materials and Engineering,2008(Z4). |
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| Authors: | Wang Huiwu Xie Xiaoming |
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| Affiliation: | Wang Huiwu,Xie Xiaoming (Shanghai Institute of Microsystem , Information Technology,Chinese Academy of Sciences,Shanghai 200050,China) |
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| Abstract: | Flux to voltage transfer coefficient is an important parameter of DC SQUID sensor. It was studied in different asymmetrical SQUID configurations and compared to the symmetrical ones by numerical simulation. The results show that the flux to voltage coefficient of asymmetrical SQUID was enhanced to the symmetrical one. The possibility of simplifying for the SQUID readout with asymmetrical SQUID sensor was discussed. |
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| Keywords: | SQUID voltage to flux transfer coefficient asymmetrical structure |
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