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DEFLECTING CAVITY FOT BUNCHLENGTH DIAGNOSTICS AT COMPACT ERL INJECTOR

Shunya Matsuba

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Abstract

Energy Recovery Linac (ERL) as synchrotron light source is planned to construct in KEK. Before the construction of full-set of ERL, compact ERL to study the accelerator technologies will be constructed. For the injector, a high voltage photoemission gun with DC operation and measurement systems for the low emittance beam will be developed. In order to observe bunch length and longitudinal beam profile, we have fabricated and designed a single-cell deflecting cavity with 2.6 GHz dipole mode. In addition, power input test, vacuum test and frequency measurements were carried out. We describe the optimization of the cavity, mechanical design and the measurements results with simulation.

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What this paper is about

Energy Recovery Linac (ERL) as synchrotron light source is planned to construct in KEK. Before the construction of full-set of ERL, compact ERL to study the accelerator technologies will be constructed. For the injector, a high voltage photoemission gun with DC operation and measurement systems for the low emittance beam will be developed. In order to observe bunch length and longitudinal beam profile, we have fabricated and designed a single-cell deflecting cavity with 2.6 GHz dipole mode. In addition, power input test, vacuum test and frequency measurements were carried out. We describe the optimization of the cavity, mechanical design and the measurements results with simulation.

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Available abstract

Energy Recovery Linac (ERL) as synchrotron light source is planned to construct in KEK. Before the construction of full-set of ERL, compact ERL to study the accelerator technologies will be constructed. For the injector, a high voltage photoemission gun with DC operation and measurement systems for the low emittance beam will be developed. In order to observe bunch length and longitudinal beam profile, we have fabricated and designed a single-cell deflecting cavity with 2.6 GHz dipole mode. In addition, power input test, vacuum test and frequency measurements were carried out. We describe the optimization of the cavity, mechanical design and the measurements results with simulation.

Key concepts: Injector, Linear particle accelerator, Thermal emittance, Optics, Physics, Beam (structure), Synchrotron, Particle accelerator

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DEFLECTING CAVITY FOT BUNCHLENGTH DIAGNOSTICS AT COMPACT ERL INJECTOR — Research Paper | ScholarLens