Spot size diagnostics for flash radiographic X-ray sources at LAPA

LI Cheng-Gang; LI Qin; SHI Jin-Shui; DENG Jian-Jun

doi:10.1088/1674-1137/33/S2/041

Chinese Physics C> 2009, Vol. 33> Issue(S2) : 157-160 DOI: 10.1088/1674-1137/33/S2/041

Spot size diagnostics for flash radiographic X-ray sources at LAPA

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Abstract：
Spot size is one of the parameters to characterize the performance of a radiographic X-ray source. It determines the degree of blurring due to magnification directly. In recent years, a variety of measurement methods have been used to diagnose X-ray spot size at Laboratory of Accelerator Physics and Application (LAPA). Computer simulations and experiments showed that using a rolled-edge to measure the spot size are more accurate, and the intensity distribution of X-ray source was obtained by a device with a square aperture. Experimental and simulation results on a flash X-ray source at our laboratory are presented and discussed in this paper. In addition, a new method for time resolved diagnostics of X-ray spot size is introduced too.

References

[1]

. SHI Jin-Shui, DING Bo-Nan, DENG Jian-Jun et al. High Power Laser and Particle Beams, 1997, 8(4): 599-603 (in Chinese)2. DENG Jian-Jun, DING Bo-Nan, WANG Hua-Cen et al.High Power Laser and Particle Beams, 2003, 15(5): 502-504. (in Chinese)3. SHI Jin-Shui, LI Jin, HE Yi et al. High Power Laser and Particle Beams, 1999, 11(2): 177-179 (in Chinese)4. Gideon Barnea, Meir Markovits, Itamar Navon. Proceeding of Beams 2002. Albuquerque, 2002. 171-1745. Richardson R A. Proceeding of 1999 Particle Accelerator.New York, 1999. 2149-2151

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LI Cheng-Gang, LI Qin, SHI Jin-Shui and DENG Jian-Jun. Spot size diagnostics for flash radiographic X-ray sources at LAPA[J]. Chinese Physics C, 2009, 33(S2): 157-160. doi: 10.1088/1674-1137/33/S2/041

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Received: 2009-01-05
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Spot size diagnostics for flash radiographic X-ray sources at LAPA

Corresponding author: LI Cheng-Gang,

Received Date: 2009-01-05
Accepted Date: 1900-01-01
Available Online: 2009-01-08

Abstract: Spot size is one of the parameters to characterize the performance of a radiographic X-ray source. It determines the degree of blurring due to magnification directly. In recent years, a variety of measurement methods have been used to diagnose X-ray spot size at Laboratory of Accelerator Physics and Application (LAPA). Computer simulations and experiments showed that using a rolled-edge to measure the spot size are more accurate, and the intensity distribution of X-ray source was obtained by a device with a square aperture. Experimental and simulation results on a flash X-ray source at our laboratory are presented and discussed in this paper. In addition, a new method for time resolved diagnostics of X-ray spot size is introduced too.