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TUPWO029 |
Beam Line Design at the CAEP THz Free Electron Laser |
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- P. Li, W. Bai, H. Wang
CAEP/IAE, Mianyang, Sichuan, People's Republic of China
- X. Li
TUB, Beijing, People's Republic of China
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China Academy of Physics (CAEP) is currently building a THz Free Electron Laser (THz-FEL) which serves as a radiation light sourse used for research in a variety of experimental fields. In this paper, we present the design of the beam line, which was accomplished using PARMELA and TRANSPORT code simulations. The accelerator consists of a 350 kV photocathode DC gun in conjunction with one cryomodule containing two 4-cell superconductiong RF cavities. The energy of the elctron beam is 7~8 MeV, and the maximum of the average beam current is 5 mA. A transverse emittance typically below 10 pi mm.mrad can be achieved.
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