H-D curve measurement using Monte Carlo simulation in flash X-ray radiography

liu jun; liu jin; shi jiang-jun; liu rui-gen; guan yong-hong; xiao zhi-qiang

Volume 19 Issue 07

Mar. 2012

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Article Navigation > High Power Laser and Particle Beams > 2007 > 19(07): 0-

wang youwen, chen liezun, zhang lifu, et al. Characteristics of temporal modulation in nonlinear propagation of broad-band lasers stacked by chirped pulses[J]. High Power Laser and Particle Beams, 2010, 22.

Citation:

liu jun, liu jin, shi jiang-jun, et al. H-D curve measurement using Monte Carlo simulation in flash X-ray radiography[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

liu jun, liu jin, shi jiang-jun, et al. H-D curve measurement using Monte Carlo simulation in flash X-ray radiography[J]. High Power Laser and Particle Beams, 2007, 19.

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H-D curve measurement using Monte Carlo simulation in flash X-ray radiography

1.
Institute of Fluid Physics,CAEP,P.O.Box 919-105,Mianyang 621900,China

Publish Date: 2007-07-15

Abstract

Abstract

The deficiencies in traditional H-D curve measurements in high-energy flash X-ray radiography are analyzed and the relationship between the optical density and X-ray exposure is obtained using Monte Carlo simulations. A spherical symmetrical object is used to obtain an optical density profile. Various factors, which lead to asymmetrical distribution of the optical density, are analyzed using Monte Carlo simulations. It is shown that the main factor is the imperfect geometrical alignment of radiographic parts such as collimator and electron beam axial. Averaging the leftright optical density of symmetrical points is a reasonable method. And the method to obtain H-D curves is detailed, and accurate H-D curves are presented according to Silberstein theory. This measurement avoided the measu
- flesh x-ray radiography,
- optical density,
- exposure,
- monte carlo simulation,
- h-d curve

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