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To overcome the limitation in bandwidth and power capacity of Traveling-Wave in Ceramic (TWC) coaxial window, a wide-band high-power coaxial window is proposed. Using CST Microwave Studio, a L-band wide-band high-power coaxial window is optimized and the performance is compared with half-wavelength coaxial window and TWC coaxial window, which shows wider bandwidth and higher power capacity of the...
The paper show the multipaction capability of Thales RF output solutions for today high power L- and S-Band TWTs. Thales accepts that a real prediction of the multipaction onset level of complex coaxial structures like in example a TNC connector, with dielectrics, air gaps and complex electric fields inside, is not possible with today knowledge. Therefore Thales prefers to qualify their RF output...
Thales Electron Devices has been developing and manufacturing 10MW L-band vertical Multi Beam Klystrons (TH1801) for TTF, FLASH and PITZ machines at DESY for more than 10 years. At this point, 8 tubes have been installed at DESY with more than 80 000 hours of cumulated RF operation. All over these years, THALES has been collecting data on MBK tubes behavior which permitted to improve continuously...
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