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Research on Irradiation Electric Field for Charged Particles Beam with High Energy

By Jianping Shi, Yijia Tang, Lingli Zhan, Hongjian Liu and Xunan Chen

Abstract

Irradiation protection of the nonlinear optical devices used in the spacecraft and next generation active laser system must be solved. The first problem was to find the irradiation damage mechanism of the nonlinear materials. In this paper the irradiation electronic field originating from high speed charged particle beams was discussed. The calculating model of the electronic field, based on the relativistic mechanics and electro-magnetic theory, was founded. The common characters of the irradiation electronic field were predicted and the fields of α ray and β ray were calculated by means of our model. The simulating results showed that the intensity of the electric field increased with the energy or the intensity of the beam. The results also showed that the field change trend of α ray and β ray was similar, but the field value was quite different. When the beam intensity I = 100 μA and the beam energy εm = 500 Mev, the electronic field values were about 3.5 × 107 v/m for α ray and 2.4 × 1011 v/m for β ray

Topics: Charged-Particles Beam with High Energy, Irradiating Damage, Irradiation Electronic Field, α Ray, β Ray, LCC:Engineering (General). Civil engineering (General), LCC:TA1-2040, LCC:Technology, LCC:T, DOAJ:General and Civil Engineering, DOAJ:Technology and Engineering
Publisher: Scientific Research Publishing
Year: 2011
DOI identifier: 10.4236/eng.2011.31002
OAI identifier: oai:doaj.org/article:b0ff1926a5024a0a897d97bf7d3fe0cb
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