PAC09 - List of Authors (Teryaev, V.E.)

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Teryaev, V.E.

Paper	Title	Page
TU5PFP093	Low Beam Voltage, 10 MW, L-Band Cluster Klystron	1051
	V.E. Teryaev BINP SB RAS, Novosibirsk J.L. Hirshfield Yale University, Physics Department, New Haven, CT S. Kazakov KEK, Ibaraki V.P. Yakovlev Fermilab, Batavia
	Funding: Sponsored in part by US Department of Energy, Office of High Energy Physics. Conceptual design of a multi-beam klystron (MBK) for ILC and Project X application is presented. The chief distinction between the MBK design and existing 10-MW MBK’s is the low operating voltage of 60 kV. There are at least four compelling reasons that justify development of a low-voltage MBK, namely (i) no pulse transformer would be required; (ii) no oil tank would be required for the tube socket; (iii) modulator would be a compact 60-kV IGBT switching circuit. The proposed klystron consists of four clusters that contain six beams each. The tube has common input and output cavities for all 24 beams, and individual gain cavities for each cluster. A closely related optional configuration for a 10 MW tube would involve a design having four totally independent cavity clusters and four 2.5 MW output ports, all within a common magnetic circuit. This option has appeal because the output waveguides would not require a controlled atmosphere and because it would be easier to achieve phase and amplitude stability as required in individual SC cavities.

Paper

Title

Page

TU5PFP093

Low Beam Voltage, 10 MW, L-Band Cluster Klystron

1051

V.E. Teryaev
BINP SB RAS, Novosibirsk
J.L. Hirshfield
Yale University, Physics Department, New Haven, CT
S. Kazakov
KEK, Ibaraki
V.P. Yakovlev
Fermilab, Batavia

Funding: Sponsored in part by US Department of Energy, Office of High Energy Physics.

Conceptual design of a multi-beam klystron (MBK) for ILC and Project X application is presented. The chief distinction between the MBK design and existing 10-MW MBK’s is the low operating voltage of 60 kV. There are at least four compelling reasons that justify development of a low-voltage MBK, namely (i) no pulse transformer would be required; (ii) no oil tank would be required for the tube socket; (iii) modulator would be a compact 60-kV IGBT switching circuit. The proposed klystron consists of four clusters that contain six beams each. The tube has common input and output cavities for all 24 beams, and individual gain cavities for each cluster. A closely related optional configuration for a 10 MW tube would involve a design having four totally independent cavity clusters and four 2.5 MW output ports, all within a common magnetic circuit. This option has appeal because the output waveguides would not require a controlled atmosphere and because it would be easier to achieve phase and amplitude stability as required in individual SC cavities.