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2篇 您的检索式：作者名="H.Afarideh"

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		题名	作者	年代	出处	被引量
	1	Optimization and numerical simulation for the extraction system of the H^- multicusp ion source显示文摘A new ion source has been designed and manufactured for the CYCLONE30 accelerator,which has a much advanced performance compared with the original.It is expected that the newly designed ion source extraction system will transport a very large percentage of the beam without deteriorating the beam optics,which is designed to deliver an H^- beam at 30 keV.The accelerator assembly consists of three circular aperture electrodes made of copper.The simulation study was focused on finding parameter sets that raise the beam perveance as large as possible and which reduce the beam divergence as low as possible.Ion beams of the highest quality are extracted whenever the half-angular divergence is minimum,for which the perveance current intensity and the extraction gap have optimum values.The triode extraction system is designed and optimized by using CST software(for Particle Beam Simulations).The physical design of the extraction system is given in this paper.Prom the simulation results,it is concluded that it is possible to achieve this goal by decreasing the thickness of the plasma electrode,shortening the first gap,and adjusting the acceleration electrode voltage.	M.Hosseinzadeh H.Afarideh	2014	Chinese Physics C2014，38，5：	1
	2	Intelligent low-level RF system by non-destructive beam monitoring device for cyclotrons显示文摘The project of a 10 Me V PET cyclotron accelerator for medical diagnosis and treatment was started at Amirkabir University of Technology in 2012. The low-level RF system of the cyclotron accelerator is designed to stabilize acceleration voltage and control the resonance frequency of the cavity. In this work an Intelligent Low Level Radio Frequency Circuit or ILLRF, suitable for most AVF cyclotron accelerators, is designed using a beam monitoring device and narrow band tunable band-pass filter. In this design, the RF phase detection does not need signal processing by a microcontroller.	M.S.Sharifi Asadi Malafeh M.Ghergherehchi H.Afarideh J.S.Chai Yoon Sang Kim	2016	Chinese Physics C2016，40，4：	1

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