X-band RF photoinjector design for the CompactLight project

被引:2
|
作者
Gonzalez-Iglesias, D. [1 ]
Aksoy, A. [2 ]
Esperante, D. [1 ]
Gimeno, B. [1 ]
Latina, A. [3 ]
Boronat, M. [1 ]
Blanch, C. [1 ]
Fuster-Martinez, N. [1 ]
Martinez-Reviriego, P. [1 ]
Martin-Luna, P. [1 ]
Fuster, J. [1 ]
机构
[1] Univ Valencia Consejo Super Invest Cient, Inst Fis Corpuscular IFIC, Calle Catedrat Jose Beltran 2, Valencia 46980, Spain
[2] Univ Ankara, Inst Accelerator Technol, Orencik Serpme Evler 26, TR-06830 Ankara, Turkey
[3] European Org Nucl Res CERN, Geneve 23, CH-1211 Geneva, Switzerland
基金
欧盟地平线“2020”;
关键词
Photoinjector; X-band; Electron sources; Free electron laser; Beam generation;
D O I
10.1016/j.nima.2021.165709
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
RF photoinjectors have been under development for several decades to provide the high-brightness electron beams required for X-ray Free Electron Lasers. This paper proposes a photoinjector design that meets the Horizon 2020 CompactLight design study requirements. It consists of a 5.6-cell, X-band (12 GHz) RF gun, an emittance-compensating solenoid and two X-band traveling-wave structures that accelerate the beam out of the space-charge-dominated regime. The RF gun is intended to operate with a cathode gradient of 200 MV/m, and the TW structures at a gradient of 65 MV/m. The shape of the gun cavity cells was optimized to reduce the peak electric surface field. An assessment of the gun RF breakdown likelihood is presented as is a multipacting analysis for the gun coaxial coupler. RF pulse heating on the gun inner surfaces is also evaluated and beam dynamics simulations of the 100 MeV photoinjector are summarized.
引用
收藏
页数:10
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