K. Ko
Stanford University
7 Papers
31 Citations
K. Ko is an academic researcher from Stanford University. The author has contributed to research in topics: Niobium & Superconductivity. The author has an hindex of 4, co-authored 7 publications.
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Papers
Design of a Low Loss SRF Cavity for the ILC
Jacek Sekutowicz,K. Ko,L. Ge,Lie-Quan Lee,Zenghai Li,C. Ng,G. Schussman,Liling Xiao,I. Gonin,T. Khabibouline,Nikolay Solyak,Y. Morozumi,Kenji Saito,P. Kneisel +13 more
- 16 May 2005
TL;DR: In this article, a low-loss, 1.3 GHz 9-cell SRF structure is proposed for the ILC main linac, where the advantages of this structure include lower cryogenic loss, shorter rise time, and less stored energy.
Status of Nb-Pb superconducting RF-GUN cavities
Jacek Sekutowicz,J. Iversen,D. Klinke,D. Kostin,W.-D. Möller,A. Muhs,P. Kneisel,J. Smedley,T. Rao,P. Strzyzewski,A. Soltan,Zenghai Li,K. Ko,Liling Xiao,R. Lefferts,A. Lipski,Massimo Ferrario +16 more
- 25 Jun 2007
TL;DR: In this paper, the progress and status of an electron RF* gun made of two superconductors: niobium and lead was reported, which combines the advantages of the RF performance of bulk Niobium superconducting cavities and the reasonably high quantum efficiency of lead.
Nb-Pb Superconducting RF Gun
Jacek Sekutowicz,J. Iversen,G. Kreps,Wolf-Dietrich Möller,W. Singer,X. Singer,Desy,Ilan Ben-Zvi,Andrew Burrill,J. Smedley,T. Rao,Massimo Ferrario,Frascati,P. Kneisel,Jefferson Lab,J. Langner,P. Strzyzewski,R. Lefferts,A. Lipski,Karol Szałowski,U Lodz,K. Ko,Liling Xiao +22 more
- 29 Mar 2006
TL;DR: In this article, the status of an electron RF-gun made of two superconductors: niobium and lead, is reported, which combines the advantages of the RF performance of bulk Niobium superconducting cavities and the reasonably high quantum efficiency of lead.
Thermal Analysis of SRF Cavity Couplers Using Parallel Multiphysics Tool TEM3P
Akcelik,Lie-Quan Lee,Z. Li,C. Ng,K. Ko,G. Cheng,Robert Rimmer,H. Wang,Jefferson Lab +8 more
- 20 May 2009
TL;DR: TEM3P is used to analyze thermal loading at coupler end of the JLAB SRF cavity and allows high-fidelity, high-accuracy simulations and the parallel implementation facilitates large-scale computation with fast turnaround times.
Initial studies of 9-cell high-gradient superconducting cavities at kek
Takayuki Saeki,Fumio Furuta,Kenji Saito,Y. Higashi,Toshiyasu Higo,Hitoshi Inoue,S. Kazakov,H. Matsumoto,Y. Morozumi,M. Sato,N. Toge,K. Ueno,T. Yamaoka,L. Ge,K. Ko,M. Q. Ge,H. S. Kim,R. S. Orr,Jacek Sekutowicz,Y. Sohn +19 more
- 01 Jan 2006
TL;DR: In this article, the results of vertical tests by these two ICHIRO cavities would be reported, and the authors proposed to construct Superconducting RF Test Facility (STF) at KEK for the RD 51.