Bunch length measurement at Tsinghua Thomson scattering X-ray source

DU Ying-Chao; HUA Jian-Fei; YAN Li-Xin; DU Qiang; HUANG Wen-Hui; TANG Chuan-Xiang

doi:10.1088/1674-1137/35/5/020

Chinese Physics C> 2011, Vol. 35> Issue(5) : 505-508 DOI: 10.1088/1674-1137/35/5/020

Bunch length measurement at Tsinghua Thomson scattering X-ray source

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Abstract：
The length of electron beam from a photocathode RF gun is determined by a spectrometer, according to the relative energy spread induced by the bunch length during the acceleration in a linac. For a photocathode RF gun, different laser injected phase and beam charge are studied. The compression is changed for the different laser phases, as from 10° to 30°, and the bunch length is lengthened due to the strong longitudinal space charge force, caused by the increased charge.

References

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DU Ying-Chao, HUA Jian-Fei, YAN Li-Xin, DU Qiang, HUANG Wen-Hui and TANG Chuan-Xiang. Bunch length measurement at Tsinghua Thomson scattering X-ray source[J]. Chinese Physics C, 2011, 35(5): 505-508. doi: 10.1088/1674-1137/35/5/020

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Received: 2010-08-01
Revised: 2010-09-28

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沈阳化工大学材料科学与工程学院沈阳 110142