A Monte Carlo simulation study of a flat-panel X-ray source

作者：Grant Edwin J; Posada Chrystian M; Castano Carlos H; Lee Hyoung K^*

来源：Applied Radiation and Isotopes, 2012, 70(8): 1658-1666.

DOI：10.1016/j.apradiso.2012.04.011

• Transmission X-ray
• MCNPX
• Flat-panel source
• Bremsstrahlung
• Distributed X-ray source
• Field emission X-ray source

A novel flat-panel transmission X-ray source based on nitrogen-incorporated ultra-nano-crystalline diamond (N-UNCD) field emitters is being developed for medical and industrial X-ray imaging. X-ray generation characteristics of the X-ray tubes were simulated with the MCNPX 2.6.0 Monte Carlo code. The simulation results showed that 0.25-12 mu m thick tungsten targets could generate an adequate intensity of Bremsstrahlung X-rays. Generated X-ray output intensities of 1.48 x 10(12) MeV/mA-s of 100 kVp electrons hitting the target were found before collimation.

• 出版日期2012-8