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| TUPMA047 |
Development of a Photocathode DC Gun at JAEA-ERL
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175 |
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- R. Hajima, H. Iijima, R. Nagai, N. Nishimori, T. Nishitani
JAEA/ERL, Ibaraki
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An electron gun producing an e-beam with high-brightness and high average-current is a key component to realize a next-generation X-ray light source based on energy-recovery linac (ERL). In JAEA, we are developing a photocathode DC gun for a future ERL light source. The DC gun is operated at 250 kV and 50 mA at maximum, and equipped with a load-lock chamber for cathode preparation. In order to keep small emittance at high current operation, we adopt superlattice semiconductor as a photocathode. In this paper, we present the status of the gun development and future plans towards the ERL test facility to construct in collaboration with KEK.
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