دوره 10، شماره 2 - ( 8-1395 )                   جلد 10 شماره 2 صفحات 91-100 | برگشت به فهرست نسخه ها


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Mohsenpour T, Ehsani Amri H, Norouzi Z. Propagation and Interaction of Electrostatic and Electromagnetic Waves in Two Stream Free Electron Laser in the Presence of Self-Fields. IJOP. 2016; 10 (2) :91-100
URL: http://ijop.ir/article-1-241-fa.html
Propagation and Interaction of Electrostatic and Electromagnetic Waves in Two Stream Free Electron Laser in the Presence of Self-Fields. نشریه انجمن اپتیک و فوتونیک ایران. 1395; 10 (2) :91-100

URL: http://ijop.ir/article-1-241-fa.html


چکیده:   (1821 مشاهده)

A relativistic theory for two-stream free electron laser (FEL) with a one-dimensional helical wiggler and ion-channel guiding in the presence of self-fields are presented. A dispersion relation (DR) which includes coupling between the electromagnetic and the electrostatic waves is derived from a fluid model, with all of the relativistic terms related to the transverse wiggler motion. This DR is solved numerically to study many unstable couplings among all possible modes. Numerical calculations are made to illustrate the effects of the self-fields on the unstable couplings. It is shown that the self-fields can produce large effects on the growth rate of the couplings.

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نوع مطالعه: پژوهشي | موضوع مقاله: عمومى
دریافت: ۱۳۹۴/۸/۲۸ | ویرایش نهایی: ۱۳۹۵/۴/۹ | پذیرش: ۱۳۹۵/۴/۹ | انتشار: ۱۳۹۵/۸/۲۲

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