Off-line Experiment on the Bunchlength Diagnostic Device at BFEL

ZHU Jun-Biao; LI Zhi-Hui; BAI Sha; XIE Jia-Lin

Chinese Physics C> 2006, Vol. 30> Issue(S1) : 78-80

Off-line Experiment on the Bunchlength Diagnostic Device at BFEL

Institute of High Energy Physics, CAS, Beijing 100049, China2 Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 102201, China

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Abstract：
Short and ultra-short bunch length measurement technique is one of the key techniques used to develop the short wavelength FEL and advanced accelerators. Off-line test experiment on a newly-developed bunch-length diagnostic device was implemented with the far-IR radiation emitted from a black body radiator instead of far-IR to mm wave coherent transition radiation generated by a train of micro-bunches, and got a good autocorrelation interferogram. The experiment showed that its hard and soft-ware worked as good as expected. Through a fine collimation, the well-modulated interferogram can be obtained. Further improvements are put forward.

References

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. Lihn H C, Kung P, Settakorn C et al. Phys. Rev., 1996,E53: 6413—64182. Barry W. CEBAF Report No. PR-91-012, 1991, SURA,VA, USA3. TESLA Technical Design Report 2001-05,Humberg, 20014. LCLS Technical Design Report SLAC-R-593 LC-414, April20025. Palmer D T, Colby E, Hogan M. Proc. PAC Chicago, 2001.2251—22536. Kimura W D. Phys. Rev., 2001, ST4:101301, 1—67. Abo-Bakr M. Phys. Rev. Lett., 2002, 88(25): 254801, 1—48. Pogorelsky I V. Phys. Rev., 2000, ST3: 090702, 1—6

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ZHU Jun-Biao, LI Zhi-Hui, BAI Sha and XIE Jia-Lin. Off-line Experiment on the Bunchlength Diagnostic Device at BFEL[J]. Chinese Physics C, 2006, 30(S1): 78-80.

ZHU Jun-Biao, LI Zhi-Hui, BAI Sha and XIE Jia-Lin. Off-line Experiment on the Bunchlength Diagnostic Device at BFEL[J]. Chinese Physics C, 2006, 30(S1): 78-80. shu

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Received: 2005-12-07
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

Off-line Experiment on the Bunchlength Diagnostic Device at BFEL

Corresponding author: ZHU Jun-Biao,

Institute of High Energy Physics, CAS, Beijing 100049, China2 Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 102201, China

Received Date: 2005-12-07
Accepted Date: 1900-01-01
Available Online: 2006-01-04

Abstract: Short and ultra-short bunch length measurement technique is one of the key techniques used to develop the short wavelength FEL and advanced accelerators. Off-line test experiment on a newly-developed bunch-length diagnostic device was implemented with the far-IR radiation emitted from a black body radiator instead of far-IR to mm wave coherent transition radiation generated by a train of micro-bunches, and got a good autocorrelation interferogram. The experiment showed that its hard and soft-ware worked as good as expected. Through a fine collimation, the well-modulated interferogram can be obtained. Further improvements are put forward.