Development of the third harmonic SC cavity at Fermilab

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The third harmonic 3.9 GHz superconducting cavity was recently proposed by DESY for a new generation of high brightness photo-injector (TTF photoinjector-2) to compensate nonlinear distortion of the longitudinal phase space due to RF curvature of the 1.3 GHz TESLA cavities [1,2]. Installation of the 3rd harmonic cavity will allow us to generate ultra-short (<50 {micro}m rms) highly charged electron bunches with an extremely small transverse normalized emittance (<1 {micro}m). This is required to support a new generation of linear colliders, free electron lasers and synchrotron radiation sources. In this paper we present the current status of the 3rd harmonic ... continued below

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498 Kilobytes pages

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al., Nikolay Solyak et August 5, 2004.

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The third harmonic 3.9 GHz superconducting cavity was recently proposed by DESY for a new generation of high brightness photo-injector (TTF photoinjector-2) to compensate nonlinear distortion of the longitudinal phase space due to RF curvature of the 1.3 GHz TESLA cavities [1,2]. Installation of the 3rd harmonic cavity will allow us to generate ultra-short (<50 {micro}m rms) highly charged electron bunches with an extremely small transverse normalized emittance (<1 {micro}m). This is required to support a new generation of linear colliders, free electron lasers and synchrotron radiation sources. In this paper we present the current status of the 3rd harmonic cavity being developed at Fermilab. We discuss the design procedure, the building and testing of the copper and niobium half-cells and components, the design of input and HOM couplers.

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498 Kilobytes pages

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  • Particle Accelerator Conference, Portland, OR (US), 05/12/2003--05/16/2003

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  • Report No.: FERMILAB-Conf-03/480-TD
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 827510
  • Archival Resource Key: ark:/67531/metadc784893

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  • August 5, 2004

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  • Dec. 3, 2015, 9:30 a.m.

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  • Aug. 5, 2016, 11:50 a.m.

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al., Nikolay Solyak et. Development of the third harmonic SC cavity at Fermilab, article, August 5, 2004; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc784893/: accessed June 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.