2008•OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)Open access
Initial RF measurements of the CW normal-conducting RF injector
F.L. Krawczyk, Nathan A. Moody, J. F. A. Soltero, Dinh C. Nguyen, G.O. Bolme, K. Young, Lloyd Toung
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Abstract
The LANL 2.5-cell, normal-conducting radio-frequency (NCRF) injector has been fabricated. We present initial results of low-power RF measurements (cavity Q, cavity field map, coupling beta, etc.) of the NCRF injector. The measured cavity Q and relative fields are found to be in good agreement with the design calculations and earlier measurements of Glidcop properties. However, the coupling beta of the ridge-loaded waveguides is found to be significantly higher than the design point. The impact of these low-power measurement results on the planned high-power RF and electron beam tests will be discussed.
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