A laser-Compton scattering prototype experiment at 100 MeV linac of Shanghai Institute of Applied Physics

Journal Article · Fri Jan 15 00:00:00 EST 2010 · Review of Scientific Instruments

DOI:https://doi.org/10.1063/1.3282445· OSTI ID:22053611

Luo, W; Fan, G T; Fan, G W; Li, Y J; Xu, Y; Yang, L F ^[1]; Xu, W ^[1]; Pan, Q Y; Cai, X Z; Chen, J G; Chen, Y Z; Guo, W; Liu, W H; Lin, G Q; Ma, Y G; Shen, W Q; Xu, B J; Xu, J Q; Zhang, H O; Yan, Z ^[1] ; others, and

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1. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800 (China)

As a prototype of the Shanghai Laser Electron Gamma Source in the Shanghai Synchrotron Radiation Facility, an x-ray source based on laser-Compton scattering (LCS) has been installed at the terminal of the 100 MeV linac of the Shanghai Institute of Applied Physics. LCS x-rays are generated by interactions between Q-switched Nd:yttrium aluminum garnet laser pulses [with wavelength of 1064 nm and pulse width of 21 ns (full width at half maximum)] and electron bunches [with energy of 108 MeV and pulse width of 0.95 ns (rms)] at an angle of 42 deg. between laser and electron beam. In order to measure the energy spectrum of LCS x-rays, a Si(Li) detector along the electron beam line axis is positioned at 9.8 m away from a LCS chamber. After background subtraction, the LCS x-ray spectrum with the peak energy of 29.1{+-}4.4|{sub stat}{+-}2.1|{sub syst} keV and the peak width (rms) of 7.8{+-}2.8|{sub stat}{+-}0.4|{sub syst} keV is observed. Normally the 100 MeV linac operates with the electron macropulse charge of 1.0 nC/pulse, and the electron and laser collision repetition rate of 20 Hz. Therefore, the total LCS x-ray flux of (5.2{+-}2.0)x10{sup 2} Hz can be achieved.

• OSTI ID: 22053611
• Journal Information: Review of Scientific Instruments, Vol. 81, Issue 1; Other Information: (c) 2010 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0034-6748
• Country of Publication: United States
• Language: English

Related Subjects

43 PARTICLE ACCELERATORS
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
ALUMINIUM
BEAM BUNCHING
COMPTON EFFECT
ELECTRON BEAMS
ELECTRON SOURCES
ENERGY SPECTRA
GAMMA SOURCES
GARNETS
KEV RANGE
LI-DRIFTED SI DETECTORS
LINEAR ACCELERATORS
MEV RANGE
NEODYMIUM LASERS
PULSES
Q-SWITCHING
SYNCHROTRON RADIATION
X RADIATION
X-RAY SOURCES
X-RAY SPECTRA
YTTRIUM