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@inproceedings{feng:ipac2021-thpab313, author = {L. Feng and C.L. Li and B. Liu and X. Lu and J.G. Wang and X.T. Wang and W.Y. Zhang}, % author = {L. Feng and C.L. Li and B. Liu and X. Lu and J.G. Wang and X.T. Wang and others}, % author = {L. Feng and others}, title = {{Drive Laser System for Shanghai Soft X-Ray Free Electron Laser}}, booktitle = {Proc. IPAC'21}, pages = {4403--4405}, eid = {THPAB313}, language = {english}, keywords = {laser, FEL, electron, cathode, free-electron-laser}, venue = {Campinas, SP, Brazil}, series = {International Particle Accelerator Conference}, number = {12}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {08}, year = {2021}, issn = {2673-5490}, isbn = {978-3-95450-214-1}, doi = {10.18429/JACoW-IPAC2021-THPAB313}, url = {https://jacow.org/ipac2021/papers/thpab313.pdf}, note = {https://doi.org/10.18429/JACoW-IPAC2021-THPAB313}, abstract = {{In this paper, we introduce the design and layout of the drive laser of Shanghai Soft X-ray Free Electron Laser (SXFEL). It is known that the temporal and spatial distribution of the drive laser is crucial for high-quality electron beams. The drive laser provides the laser pulse of 266nm wavelength and 8ps pulse duration for the photocathode, as well as 400nm wavelength, 2-20ps tunable pulse duration for the laser heater. For this purpose, there are mainly four parts in such system, including a third-harmonic generation device, pulse stretcher, image transmitted system, and laser optical module for laser heater. Finally, the measured results of the electron beam under this drive laser system are presented and discussed.}}, }