Speaker
Description
A C-band test platform has been built at IHEP-Dongguan for studies of high-gradient RF structures and advanced beam manipulation techniques toward future light source projects. Prototypes of 3.6-cell C-band RF photocathode gun achieved high-power operation close to 150 MV/m and beam extraction at about 137 MV/m cathode gradient, representing the first reported beam extraction from a C-band RF photo gun. Following the initial beam experiment, the original beamline has been reconfigured for proof-of-principle studies of angular dispersion modulation (ADM), a compression scheme widely adopt but not experimentally verified for ultra-short bunch generation in future light source applications. Preliminary simulation studies have been performed to evaluate bunch compression performance and beam transport properties. This contribution presents the present status and details of the upgraded C-band test platform, along with key simulation results for the coming ADM proof-of-principle experiment.
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