TITLE

X-ray generation from slanting laser-Compton scattering for future energy-tunable Shanghai Laser Electron Gamma Source

AUTHOR(S)
Luo, W.; Xu, W.; Pan, Q.; Cai, X.; Chen, Y.; Fan, G.; Li, Y.; Liu, W.; Lin, G.; Ma, Y.; Shen, W.; Shi, X.; Xu, B.; Xu, J.; Xu, Y.; Zhang, H.; Yan, Z.; Yang, L.; Zhao, M.
PUB. DATE
December 2010
SOURCE
Applied Physics B: Lasers & Optics;Dec2010, Vol. 101 Issue 4, p761
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
There is great interest in the generation of energy-tunable, bright, short-pulse X/ γ-ray sources, which are required in various research fields. Laser-Compton scattering (LCS) is considered to be one of the most promising methods to implement this kind of X/ γ-ray source. At the 100-MeV LINAC of the Shanghai Institute of Applied Physics, a 2-J, 8-ns, 1064-nm, Q-switched Nd:YAG laser is brought to a slanting collision at 40° (44°) with an 112-MeV, 0.9-ns (rms) relativistic electron beam. We measured the LCS X-ray energy spectrum with a peak energy of 31.73±0.22±1.64 keV and a peak width (rms) of 0.74±0.26±0.03 keV. This preliminary investigation was carried out to understand the feasibility of developing an energy-tunable X/ γ-ray source. Based on this study, the future Shanghai Laser Electron Gamma Source (SLEGS) at the Shanghai Synchrotron Radiation Facility (SSRF) can be constructed to be not only an energy-tunable γ-ray source by guiding the laser incident angle from laser-Compton scattering, but also a high flux (∼10 photons/s or even higher) γ-ray source by adding a laser super-cavity.
ACCESSION #
55471306

 

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