Studies on a Laser Driven Photoemissive High-Brightness Electron Source and Novel Photocathodes

Geng Rongli; Song Jinhu; Yu Jin

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 1997, Vol. 21> Issue(1) : 67-74

Studies on a Laser Driven Photoemissive High-Brightness Electron Source and Novel Photocathodes

Institute of Heavy Ion Physics,Peking University,Beijing 100871

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Abstract：
A laser driven photoemissive high-brightness electron source at Peking University is reported.Through a DC accelerating gap of 100kV voltage,the device is capable of delivering high-brightness electron beam of 35—100ps pulse duration when irradiated with a mode-locked YAG laser.The geometry of the gun is optimized with the aid of simulation codes EGUN and POISSON.The results of experimental studies on ion implanted photocathode and cesium telluride photocathode are given.The proposed laser driven superconducting RF gun is also discussed.

References

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C. Travier, Particle Acceleratovs, 36(1991)33.[2] R. L. Shefield, E. R. Gray, J. S. Fraser, NIM, A272 (1988)222.[3] C. Travier et al., EPAC94, (1994) 1462, London.[4] A. Michake et al., EPAC92, (1992) 1014, Berlin.[5] C. Pagani et al . , Proc. of the 1st Int. TESLA Workshop, (1990)217, New York.[6] Zhao Kui et al., LINAC94, (IW), Tsukuba.[7] 王彤, 于进, 第三界全国激光科学技术青年学术交流会论文集, 1995年, 杭州.[8] 王莉芳等, 国产超导妮腔的研制, 强激光与粒子束, 待发表.[9] H. Liu et al., PAC95, 1995, Dalas.[10] A. Aleksandrov et al., Phys. Rev., E51(1995)449.[11] P. Michelato et al., EPAC94, (1994)1456, London.[12] Geng Rongh, Novel Photocathodes Based on Ion Beam Implantation Method, IHIP Internal Report (1993).[13] E. Chevallay et al., NIM, A340(1994)146.[14] S. H. Kong et al., Private communication.

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Geng Rongli, Song Jinhu and Yu Jin. Studies on a Laser Driven Photoemissive High-Brightness Electron Source and Novel Photocathodes[J]. Chinese Physics C, 1997, 21(1): 67-74.

Geng Rongli, Song Jinhu and Yu Jin. Studies on a Laser Driven Photoemissive High-Brightness Electron Source and Novel Photocathodes[J]. Chinese Physics C, 1997, 21(1): 67-74. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Studies on a Laser Driven Photoemissive High-Brightness Electron Source and Novel Photocathodes

Corresponding author: Geng Rongli,

Institute of Heavy Ion Physics,Peking University,Beijing 100871

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1997-01-05

Abstract: A laser driven photoemissive high-brightness electron source at Peking University is reported.Through a DC accelerating gap of 100kV voltage,the device is capable of delivering high-brightness electron beam of 35—100ps pulse duration when irradiated with a mode-locked YAG laser.The geometry of the gun is optimized with the aid of simulation codes EGUN and POISSON.The results of experimental studies on ion implanted photocathode and cesium telluride photocathode are given.The proposed laser driven superconducting RF gun is also discussed.