High Power Laser and Particle Beams, Volume. 34, Issue 10, 104018(2022)
Design of the photocathode drive laser system for high current electron beam operation of DC-SRF-II gun
Figures & Tables(10)
Fig. 1. Peking University DC-SRF-II photocathode drive laser system
Fig. 2. Macro pulse mode of Peking University DC-SRF-II photocathode drive laser system
Fig. 3. The main amplification unit of Peking University DC-SRF-II photocathode drive laser system
Fig. 5. The signal laser is coupled from PCF into ROD-PCF by four focal lenses
Fig. 6. Seed pulse and pulse stretcher of Peking University DC-SRF-II photocathode drive laser system
Fig. 7. Hypsochromic shift with the increasing angle of incidence (AOI) of tunable filter
Table 1. Parameters of DC-SRF-II laser amplifier
View tableView in ArticleTable 1. Parameters of DC-SRF-II laser amplifier
amplifier unit output power/mW pre-amplifier I (Yb-doped fiber) 10 pre-amplifier II (Yb-doped fiber) 200 main-amplifier I (PCF) 50 00 main-amplifier II (ROD - PCF) 100 000
Table 2. Focal length of coupling lenses
View tableView in ArticleTable 2. Focal length of coupling lenses
$ {f}_{1} $ $ {f}_{2} $ $ {f}_{3} $ $ {f}_{4} $ $ {f}_{5} $ $ {f}_{6} $ $ {f}_{7} $ 25 20 25 20 50 25 25
Table 3. Spectral region and width of different AOI
View tableView in ArticleTable 3. Spectral region and width of different AOI
angle of incidence/(°) spectral region/nm spectral width/nm $ 0 $ 1028～1032 4.0 $ 2.5 $ 1028～1031.5 3.5 $ 3.5 $ 1028～1031 3.0 $ 4.5 $ 1028～1030.5 2.5 $ 5.5 $ 1028～1030 2.0 $ 6.0 $ 1028～1029.5 1.5 $ 6.5 $ 1028～1029 1.0 $ 7.0 $ 1028～1028.5 0.5
Tools
Get Citation
Copy Citation Text
Tong Wu, Hang Xu, Jinqiang Xu, Jingyi Li, Senlin Huang. Design of the photocathode drive laser system for high current electron beam operation of DC-SRF-II gun[J]. High Power Laser and Particle Beams, 2022, 34(10): 104018
Paper Information
Category: High Brightness Beam Physics and Technology
Received: Aug. 9, 2022
Accepted: --
Published Online: Sep. 9, 2022
The Author Email: Xu Hang (xuhang@ihep.ac.cn), Huang Senlin (huangsl@pku.edu.cn)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20