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A dielectric loaded cavity operating in TM012 mode is designed to be used as electron injector into a THz accelerator. The designed cavity works at 360 GHz and uses about 3mJ of Thz energy. The designed gun is capable of generating electron bunches with 200 keV average energy. The bunch length and the transverse emittance of the bunch at gun exit are 5 μm and 25 π nm rad respectively. Furthermore...
With the development of modem THz technology [1], which can provide electric fields with GV/m gradients, THz-based control and manipulation of the electron bunches has become possible. THz-driven electron acceleration, compression and streaking have attracted much attention recently [2, 3]. Here, we present a novel THz driven electron streak camera that provides sub-fs temporal resolution using a...
Two laser driven THz electron injectors have been designed to be used as the gun in THz accelerating structures: First, a broadband multilayer structure which is capable of accelerating the electrons from rest up to 1.5 MeV kinetic energy using 2 mJ single cycle of THz signal. The second design is a four cell normal conducting cavity which is actually a narrow-band component and needs about 300 THz...
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