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Pulsed power research for military and civil applications has been conducted at the China Academy of Engineering Physics (CAEP) for more than 50 years. The pulsed power research activities include development of pulsed power components, such as different kinds of high-voltage switches, series of pulsed power sources and pulsed X-ray machines, high-current accelerators for $Z$ -pinch and flash X-ray...
MHz Rep-rate linear induction accelerator has many important applications in flash X-ray radiography, high power microwave and so on. Many key technologies for MHz rep-rate linear induction accelerator such as novel pulsed power technologies to generate MHz rep-rate high voltage pulses and design of the induction cavity working at MHz rep-rate at burst mode, MHz rep-rate emission cathode have been...
A small linear induction electron accelerator has been developed to explore the technology of generate intense electron beams in megahertz burst rate. A train of two 240keV, 1.2A electron beams was obtained in the accelerator export. Each beam has a full width at half maximum of 80ns, with rise time of 30ns, and the duration time between two beams can be adjusted easily but not less than 300ns. This...
Interferometric measurement is used to establish the spatially and temporally resolved plasma density distribution. The Mach-Zehnder interferometer is established in “Dragon-1” target zone, the experiment with the interferometer was conducted and interferograms were obtained by the high speed multiframe CCD camera. By counting the fringe shift on the interferograms, the density of plasma was calculated...
Characteristics of a 10.4 MeV, 2.4 kA intense electron beam from the 10 MeV linear induction accelerator focused by solenoid lenses are studied. The experimental magnetic region is acquired through resolving the five-order radial electric trajectory equation. Limits to minimum spot size, imposing by the space-charge effect, emittance and corkscrew motion of electron beams, and the spherical and chromatic...
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