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Theoretical Aspects, Design, and Characterization of dc Superconducting QuantumInterference Devices

机译：直流超导量子干涉装置的理论方面，设计和表征

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The summary of the thesis is divided into three sections. Section 2 discusses themodelling, dynamics, characteristics, and the noise performance of thin-film dc SQUIDs. Results of both numerical simulations and measurements are used to summarize the most important features of the SQUID dynamics. The dependence of the characteristics and noise performance on various SQUID parameters is discussed. Section 3 presents a more concrete description of the geometrical structures of thin-film dc SQUIDs. The fabrication of the devices is briefly discussed, emphasizing the factors that determine the resolution and reliability of the sensors. Several parasitic features of the SQUID, owing to coupling circuits and practical geometries, are presented and methods to avoid them are discussed. Finally, the optimization of the whole configuration of a dc SQUID magnetometer is analyzed. Section 4 summarizes the experimental results of low-noise dc SQUIDs presented in the thesis. The electronics for measuring low-noise SQUIDs are also discussed.

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