Ultra-low emittance X-band photocathode RF gun

TANG Chuan-Xiang; LIU Xiao-Han

doi:10.1088/1674-1137/33/S2/026

Chinese Physics C> 2009, Vol. 33> Issue(S2) : 102-104 DOI: 10.1088/1674-1137/33/S2/026

Ultra-low emittance X-band photocathode RF gun

TANG Chuan-Xiang ^, ,
LIU Xiao-Han

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Abstract：
In this paper, we present the simulation results of a 1.6 cell X-band photocathode RF gun for ultra-low emittance electron beams. It will work at 9.3 GHz. The emittance, bunch length, electron energy and energy spread at the gun exit are optimized at bunch charge of 1pC using PARMELA. Electron bunches with emittance about 0.1 mm·mrad and bunch length less than 100 fs can be obtained from this gun. A PITZ type coupler is adopted in this gun and an initial simulation by MAFIA is also given in this paper.

References

[1]

. Gibson D J, Hartemann F V et al. Electron beam and RFcharacterization of a low-emittance X-band photoinjector.Physical Review Special Topics - Accelerators and Beams,2001, 4: 0901012. Vlieks E et al. Development of an X-band photoinjector atSLAC. Proc. of LINAC 2002, Korea3. WANG X J et al. Design and Construction of of a Full Copper Photocathode Gun. Proc. 1993 Part. Accel. Conf.1993. 30004. Garnett B. PARMELA. Workshop on High Average Power High Brightness Beams (UCLA), 20045. Cee R, Krassilnikov M et al. Beam Dynamics Simulations For the PITZ RF-Gun, Proceedings of EPAC, 20026. CST GmbH, Bad Nauheimer Stra βe 19, D-64289 Darm-stadt

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TANG Chuan-Xiang and LIU Xiao-Han. Ultra-low emittance X-band photocathode RF gun[J]. Chinese Physics C, 2009, 33(S2): 102-104. doi: 10.1088/1674-1137/33/S2/026

TANG Chuan-Xiang and LIU Xiao-Han. Ultra-low emittance X-band photocathode RF gun[J]. Chinese Physics C, 2009, 33(S2): 102-104. doi: 10.1088/1674-1137/33/S2/026 shu

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Received: 2009-01-05
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

Ultra-low emittance X-band photocathode RF gun

TANG Chuan-Xiang ^,
LIU Xiao-Han

Corresponding author: TANG Chuan-Xiang,

Received Date: 2009-01-05
Accepted Date: 1900-01-01
Available Online: 2009-01-08

Abstract:

In this paper, we present the simulation results of a 1.6 cell X-band photocathode RF gun for ultra-low emittance electron beams. It will work at 9.3 GHz. The emittance, bunch length, electron energy and energy spread at the gun exit are optimized at bunch charge of 1pC using PARMELA. Electron bunches with emittance about 0.1 mm·mrad and bunch length less than 100 fs can be obtained from this gun. A PITZ type coupler is adopted in this gun and an initial simulation by MAFIA is also given in this paper.