09 بهمن 1401
تقي محسن پور

تقی محسن پور

مرتبه علمی: دانشیار
نشانی: گروه فیزیک دانشگاه مازندران
تحصیلات: دکترای تخصصی / فیزیک پلاسما
تلفن: 01135302480
دانشکده: دانشکده علوم پایه

مشخصات پژوهش

عنوان Effects of electromagnetic wiggler and ion channel guiding on equilibrium orbits and waves propagation in a free electron laser
نوع پژوهش مقاله چاپ شده
کلیدواژه‌ها
electromagnetic wiggler - ion channel guiding - waves propagation - free electron laser
مجله PHYSICS OF PLASMAS
شناسه DOI
پژوهشگران سید حسن احسانی (نفر اول) ، تقی محسن پور (نفر دوم)

چکیده

In this paper, an analysis of equilibrium orbits for electrons by a simultaneous solution of the equation of motion and the dispersion relation for electromagnetic wave wiggler in a free-electron laser (FEL) with ion-channel guiding has been presented. A fluid model has been used to investigate interactions among all possible waves. The dispersion relation has been derived for electrostatic and electromagnetic waves with all relativistic effects included. This dispersion relation has been solved numerically. For group I and II orbits, when the transverse velocity is small, only the FEL instability is found. In group I and II orbits with relatively large transverse velocity, new couplings between other modes are found.