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The Physics Of Superconducting Microwave Resonators
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Book Synopsis The Physics of Superconducting Microwave Resonators by : Jiansong Gao
Download or read book The Physics of Superconducting Microwave Resonators written by Jiansong Gao and published by . This book was released on 2008 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physics of Limiting Phenomena in Superconducting Microwave Resonators by :
Download or read book Physics of Limiting Phenomena in Superconducting Microwave Resonators written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Superconducting niobium accelerating cavities are devices operating in radio-frequency and able to accelerate charged particles up to energy of tera-electron-volts. Such accelerating structures are though limited in terms of quality factor and accelerating gradient, that translates--in some cases--in higher capital costs of construction and operation of superconducting rf accelerators. Looking forward for a new generation of more affordable accelerators, the physical description of limiting mechanisms in superconducting microwave resonators is discussed. In particular, the physics behind the dissipation introduced by vortices in the superconductor, the ultimate quench limitations and the quality factor degradation mechanism after a quench are described in detail. One of the limiting factor of the quality factor is the dissipation introduced by trapped magnetic flux vortices. The radio-frequency complex response of trapped vortices in superconductors is derived by solving the motion equation for a magnetic flux line, assuming a bi-dimensional and mean free path-dependent Lorentzian-shaped pinning potential. The resulting surface resistance shows the bell-shaped trend as a function of the mean free path, in agreement with the experimental data observed. Such bell-shaped trend of the surface resistance is described in terms of the interplay of the two limiting regimes identified as pinning and flux flow regimes, for low and large mean free path values respectively. The model predicts that the dissipation regime--pinning- or flux-flow-dominated--can be tuned either by acting on the frequency or on the electron mean free path value. The effect of different configurations of pinning sites and strength on the vortex surface resistance are also discussed. Accelerating cavities are also limited by the quench of the superconductive state, which limits the maximum accelerating gradient achievable. The accelerating field limiting factor is usually associate d to the superheating field, which is intimately correlated to the penetration of magnetic flux vortices in the material. Experimental data for N-doped cavities suggest that uniform Ginzburg-Landau parameter cavities are statistically limited by the lower critical field, in terms of accelerating gradient. By introducing a Ginzburg-Landau parameter profile at the cavity rf surface--dirty layer--the accelerating gradient of superconducting resonators can be enhanced. The description of the physics behind the accelerating gradient enhancement as a consequence of the dirty layer is carried out by solving numerically the Ginzburg-Landau equations for the layered system. The enhancement is showed to be promoted by the higher energy barrier to vortex penetration, and by the enhanced lower critical field. Another serious threat to the quality factor during the cavity operation is the extra dissipation introduced by the quench. Such quality factor degradation mechanism due to the quench, is generated by the trapping of external magnetic flux at quench spot. The purely extrinsic origin of such extra dissipation is proven by the impossibility of decrease the quality factor by quenching in a magnetic field-free environment. Also, a clear relation of the dissipation introduced by quenching to the orientation of the applied magnetic field is observed. The full recover of the quality factor by re-quenching in compensated field is possible when the trapped flux at the quench spot is modest. On the contrary, when the trapped magnetic flux is too large, the quality factor degradation may become irreversible by this technique, likely due to the outward flux migration beyond the normal zone opening during the quench.
Book Synopsis Physics of Limiting Phenomena in Superconducting Microwave Resonators by : Mattia Checchin
Download or read book Physics of Limiting Phenomena in Superconducting Microwave Resonators written by Mattia Checchin and published by . This book was released on 2016 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Solid State Physics written by and published by Academic Press. This book was released on 1974-09-05 with total page 803 pages. Available in PDF, EPUB and Kindle. Book excerpt: Solid State Physics
Book Synopsis Microwave Analysis of Unconventional Superconductors with Coplanar-Resonator Techniques by : Gianluca Ghigo
Download or read book Microwave Analysis of Unconventional Superconductors with Coplanar-Resonator Techniques written by Gianluca Ghigo and published by Springer Nature. This book was released on 2022-01-29 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a thorough overview of methods and approaches to the experimental characterization of superconductors at microwave frequencies, and includes a detailed description of the two main techniques, both based on the use of coplanar waveguide resonators, that the authors employed to investigate the properties of unconventional superconductors. In the second part several case studies are described, covering a large spectrum of materials and issues. Particular emphasis is given to recent hot topics concerning iron-based superconductors, both of fundamental nature and relevant for applications. The book is intended as a learning tool for researchers in the field, and serves as a guide providing inspiring examples of the use of coplanar resonator techniques to address key topics in the field of unconventional superconductivity.
Book Synopsis High-Temperature Superconducting Microwave Circuits and Applications by : Haiwen Liu
Download or read book High-Temperature Superconducting Microwave Circuits and Applications written by Haiwen Liu and published by Springer. This book was released on 2019-04-02 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-temperature superconducting (HTS) materials are becoming more and more attractive in the context of designing RF/microwave filters because of their lower losses and excellent performance. This book focuses on the superconducting microwave filter and its application in modern communication. It first presents the basic principles, HTS materials and processing and then introduces several types of multi-band HTS bandpass filter (BPF), discussing their properties and analyzing equivalent circuit models and their performances. This book is a valuable resource for students and researchers who are interested in wireless communication and RF/microwave design.
Book Synopsis Superconductor Electronics by : Johann H. Hinken
Download or read book Superconductor Electronics written by Johann H. Hinken and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent research on superconductors with high critical temperature has led to results that were not available when the original German edition was prepared but could be included in the present English edition. This concerns materials based on bismuth and thallium, as well as measurements of low microwave loss. The author would like to thank Mr. A. H. Armstrong for translating the book from German to English in a very dedicated and competent manner. Thanks are also due once again to Springer-Verlag for their generous support and cordial cooperation. Bad Salzdetfurth September 1989 Johann H. Rinken Preface to the German Edition The development of materials which lose their electrical resistance when cooled, even before reaching the boiling point of liquid nitrogen, has considerably in creased the interest in superconductor technology, and with it superconductor electronics. This development had not been foreseen when work on the present book started, just over a year ago. Nevertheless, recent results of research on materials with high critical temperature are included to the extent that they seem to be confirmed and to be of interest to superconductor electronics. The present book deals with the physical and technological foundations of superconductor electronics so far as they must be known in order to under stand the principal modes of operation of superconductor electronics components.
Book Synopsis Microwave Superconductivity by : H. Weinstock
Download or read book Microwave Superconductivity written by H. Weinstock and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt: Detailed coverage of all aspects of microwave superconductivity: fundamentals, fabrication, measurement, components, circuits, cryogenic packaging and market potential. Both a graduate-level textbook and a reference for microwave engineers. Applications (with either active or passive circuit elements) include those at both liquid-helium and liquid-nitrogen temperatures. Topics covered include wireless communications, space-based cryoelectronics, SQUIDs and SQUID amplifiers, NMR and MRI coils, accelerator cavities, and Josephson flux-flow devices.
Book Synopsis Coupled Superconducting Microwave Resonators for Studies of Electro-mechanical Interaction by : Bindu Gunupudi
Download or read book Coupled Superconducting Microwave Resonators for Studies of Electro-mechanical Interaction written by Bindu Gunupudi and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High Q Superconducting Microwave Resonators by : Nicholas James Parker
Download or read book High Q Superconducting Microwave Resonators written by Nicholas James Parker and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Superconducting Microwave Resonators for Low Loss Sensor Applications by : Tess Skyrme
Download or read book Superconducting Microwave Resonators for Low Loss Sensor Applications written by Tess Skyrme and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coupled Superconducting Microwave Resonators for Studies of Electro-mechanical Interaction by : Malini Gunupudi
Download or read book Coupled Superconducting Microwave Resonators for Studies of Electro-mechanical Interaction written by Malini Gunupudi and published by . This book was released on 2015 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Superconducting Microwave Resonators for Space Applications by :
Download or read book Superconducting Microwave Resonators for Space Applications written by and published by . This book was released on 1991 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: The research contract involved the study of high temperature superconducting microwave cavities for space applications. The focus of the program was the design, construction, testing and evaluation of an active compact hydrogen maser resonator. The critical component of the resonator is a high Q compact cavity resonator which makes use of high T, superconductors to reduce microwave losses. By use of these materials in a compact cavity resonator, maser resonator volume can be reduced by 98% with cavity Q high enough for maser oscillation.
Book Synopsis The Physics of Superconducting Ring Resonators by : Zhenyuan Sun
Download or read book The Physics of Superconducting Ring Resonators written by Zhenyuan Sun and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Superconducting Materials by : David A. Cardwell
Download or read book Handbook of Superconducting Materials written by David A. Cardwell and published by CRC Press. This book was released on 2003 with total page 1136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Physics of Superconductors by : V.V. Schmidt
Download or read book The Physics of Superconductors written by V.V. Schmidt and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: The original Russian edition is based on a lecture course given by the author and provides a modern treatment of the physics of superconductors with special attention paid to the physical interpretation of the phenomena. This revised English translation has been enlarged by the inclusion of such new developments as High Temperature Superconductivity, and, as such, is the most up-to-date textbook on the subject available. The editor, Paul Müller, is himself a winner of the Walter Schottky Award for Solid State Research.
Book Synopsis Lumped Elements for RF and Microwave Circuits by : I. J. Bahl
Download or read book Lumped Elements for RF and Microwave Circuits written by I. J. Bahl and published by Artech House. This book was released on 2003 with total page 509 pages. Available in PDF, EPUB and Kindle. Book excerpt: This practical book is the first comprehensive treatment of lumped elements, which are playing a critical role in the development of the circuits that make these cost-effective systems possible. The book offers professionals an in-depth understanding of the different types of RF and microwave circuit elements.