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Development of a high power 1.2 MW CW L-band klystron

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5 Author(s)
Hirano, K. ; Power Reactor & Nucl. Fuel Dev. Corp., Ibaraki, Japan ; Wang, Y.L. ; Emoto, T. ; Enomoto, A.
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The high power CW L-band klystron has been developed as the RF source of the PNC high power CW electron linac (10 MeV, 100 mA). CW power of 1.2 MW at 1.249135 GHz and efficiencies over 65% were the design goals. RF analysis of the windows using high-frequency simulation codes provided information about power loss distribution in the ceramic and optimizing properties of the RF structure. The prototype klystron window was replaced with a long pill-box type beryllia window as a result of the simulation and hardware tests. The klystron has reached CW power of 885 kW with efficiency above 45%. This paper describes key points of the designs and results of the high power RF tests

Published in:

Particle Accelerator Conference, 1995., Proceedings of the 1995  (Volume:3 )

Date of Conference:

1-5 May 1995