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Dispersion relation and growth rate for a high gain ion-channel FEL with a helical wiggler pump

H Mehdian, A Raghavi2007年Plasma Physics and Controlled FusionIF 2.2出版社

A theoretical description of a wiggler pumped ion-channel free electron laser (WPIC-FEL) in high-gain regime is presented. The analysis involves a perturbation of the Vlasov–Maxwell equations about the constant-velocity helical trajectories, and the general deriving currents are derived for this configuration. The complete dispersion equation is then obtained for a mono-energetic beam. An extensive numerical analysis is presented for a wide range of operating parameters.

日本語訳

ウィグラー励起イオンチャネル自由電子レーザー(WPIC-FEL)の高利得領域における理論的記述が提示される。この解析は、等速度螺旋軌道の周りでのVlasov–Maxwell方程式の摂動を含み、この構成に対する一般的な導出電流が導出される。次に、単一エネルギービームに対する完全な分散方程式が得られる。広範囲の動作パラメータに対する広範な数値解析が提示される。

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