A High Sensitivity Faraday Cup for Ultrashort Electron Bunches

Autor:	Setiniyaz, Sadiq, Baek, In-Hyung, Gudkov, Boris, Han, Byungheon, Jang, Kyu Ha, Jeong, Young Uk, Kim, Hyun Woo, Miginsky, Sergey, Nam, Jinhee, Park, Sunjeong, Vinokurov, Nikolay
Jazyk:	angličtina
Rok vydání:	2016
Předmět:	Physics::Accelerator Physics 06 Beam Instrumentation Controls Feedback and Operational Aspects Accelerator Physics
DOI:	10.18429/jacow-ipac2016-mopmb054
Popis:	The UED (Ultrafast Electron Diffraction) beamline of KAERI (Korea Atomic Energy Research Institute) WCI (World Class Institute) Center has been successfully commissioned. A S-band co-axial RF photogun with 1.5 cylindrically symmetric cells was used to remove multiple modes of the electric filed inside the cavity. It is designed to generate sub-picosecond electron bunches with energy up to 3.3~MeV. We have developed a system consists of an in-air Faraday cup (FC) and a preamplifier for charge measurement. Tests performed utilizing 3.3~MeV electrons show the system were able to measure ultrashort bunches with tens of femtosecond pulse duration at 10 fC sensitivity. In this paper, we shall present the design, calibration and test results of this system. Proceedings of the 7th Int. Particle Accelerator Conf., IPAC2016, Busan, Korea
Databáze:	OpenAIRE
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