نتایج جستجو برای: klystron
تعداد نتایج: 371 فیلتر نتایج به سال:
Measuring and controlling the longitudinal phase space and the time-slice emittance of the electron bunch entering at 1.2 GeV in the undulator beam-lines, are crucial to obtain high FEL performances. In the FERMI@Elettra machine, two RF deflecting cavities have been installed at the end of the linac, in order to stretch the electron bunch horizontally and vertically, respectively. The two cavit...
In this paper we present Gun3P, a parallel 3D finite element application that the Advanced Computations Department at the Stanford Linear Accelerator Center is developing for the analysis of beam formation in DC guns and beam transport in klystrons. Gun3P is targeted specially to complex geometries that cannot be described by 2D models and cannot be easily handled by finite difference discretiz...
In this paper, we investigate a large-sized beam tunnel, G-band extended interaction klystron (EIK) with traveling wave output structure for the development of broad bandwidth EIKs. The high-quality factor F was introduced to estimate characteristics cluster cavities, and optimal cavity parameters were obtained based on factor. simulation mode device designed by 3D particle-in-cell (PIC) commer...
Harmonic number Frequency Number of klystrons Power per klystron Number of five-cell cavities (aluminum) Shunt impedance per unit length Total shunt impedance Rst Natural bunch length (uz) Momentum compaction factor Current per beam Luminosity Synchrotron radiation loss per turn Parasitic mode energy loss per turn* Peak cavity voltage VP** Total RF power Fundamental mode cavity dissipation PC S...
We examine a scheme for a Free Electron Laser (FEL) harmonic amplifier seeded by a 30-nm wavelength signal produced using a process of High-order Harmonic Generation (HHG). The seed is first amplified in an optical klystron from 100 kW to 30 MW using a 1 GeV electron beam and then is used for an energy modulation of electrons in the downstream undulator. Subsequently, a 100MW level of radiation...
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