Chinese Physics C > 2001, Vol. 25 > Issue(4): 348-353

SLED System for Long Pulse Multi-bunch Linac

Institute of High Energy Physics, The Chinese Academy of Science, Beijing 100039, China

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Abstract：
The compensation for transient beam loading effect requires that a modulated RF pulsed is fed to the accelerator. A new SLED system to be able to generate the modulated RF pulse in long pulse multi bunch linac is studied. The required waveforms of SLED input pulses are computed to generate RAMP and flat-top RF pulses. The optimization method of SLED parameters is formulated. The results of cold test coincide with the theoretical prediction. RAMP and flat top RF pulses are generated using SLED for the first time.

References

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. Wilson P B. Application of High Power Microwaves. Boston: Artech House, 1994. 287-290 2. SLAC Report 474, 19963. Farkas Z D et al. SLAC-PUB 1453, June 19744. LI Guang Lin, REN Wen-Bin, YAN Bin-Shan. High Energy Phys. and Nucl. Phys., 1984, 8(1): 125(in Chinese)(李广林, 任文彬, 颜斌山. 高能物理与核物理, 1984, 8(1): 125-128)5. Farka s Z D. IEEE Trans. Microwave Theory Tech., 1986, 34: 1036-1043,SLAC PUB 3694 6. Wilson P B, Farkas Z D, Ruth R D. SLAC PUB 5330. September 1990 7. Mizuno H, Otake Y. Presented at the Linac Conference, Tsukuba, Japan, August 1994; KEK preprint 94- 112 8. GU Peng Da. Research on New Type RF Pulse Compressro, IHEP Ph . D Thesis, 1999(in Chinese)(顾鹏达, 新型RF脉冲压缩器研究. 高能物理研究所博士论文, 1999)9. Shintake T et al. KEK Preprint, 1997, June, 97-48

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GU Peng-Da, PEI Guo-Xi and WANG Shu-Hong. SLED System for Long Pulse Multi-bunch Linac[J]. Chinese Physics C, 2001, 25(4): 348-353.

GU Peng-Da, PEI Guo-Xi and WANG Shu-Hong. SLED System for Long Pulse Multi-bunch Linac[J]. Chinese Physics C, 2001, 25(4): 348-353. shu

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Received: 2000-04-07
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

SLED System for Long Pulse Multi-bunch Linac

Corresponding author:GU Peng-Da,

Institute of High Energy Physics, The Chinese Academy of Science, Beijing 100039, China

Received Date:2000-04-07
Accepted Date:1900-01-01
Available Online:2001-04-05

Abstract:The compensation for transient beam loading effect requires that a modulated RF pulsed is fed to the accelerator. A new SLED system to be able to generate the modulated RF pulse in long pulse multi bunch linac is studied. The required waveforms of SLED input pulses are computed to generate RAMP and flat-top RF pulses. The optimization method of SLED parameters is formulated. The results of cold test coincide with the theoretical prediction. RAMP and flat top RF pulses are generated using SLED for the first time.