WebJun 29, 2024 · Here, we present an experimental study of the rf losses, manifested as degradation of Q 0, in a copper cavity operated at cryogenic temperatures and high gradients. The experimental conditions range from temperatures of 10–77 K and rf pulse lengths of 100–800 ns, using surface electric fields up to 400 MV / m.
Low-Temperature Properties of 2.6-Cell Cryogenic C-Band RF …
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Fabrication and cold test of prototype of spatially periodic radio ...
WebNext-generation photoinjectors with high brightness are under development for advanced accelerator facilities, such as Free-Electron Laser, Ultrafast Electron Diffraction, and Ultrafast Electron Microscopy. A feasible and prospective method to produce electron beam The cryogenic test of the electron gun was performed on the cryogenic platform. As shown in Fig. 11a, the gun cavity was inverted, and the cathode side was connected to the second-stage cold head of the cryocooler via a reserved inset structure. In the cryogenic test, the gun cavity was tested using a … See more To ensure mechanical working precision, microwave measurements were performed before diffusion bonding. As shown in Fig. 9, in an atmospheric … See more During the cryogenic test, a twitch at a frequency of approximately 3 kHz was observed, even after the cavity reached a stable temperature. It … See more WebIt natively comes with conventional UT, TOFD and all beam-forming phased array UT techniques for single-beam and multi-group inspection and its 3-encoded axis … scarica app webex meetings