Terahertz coherent transition radiation based on an ultrashort electron bunching beam

doi:10.1088/1674-1056/20/7/074102

Abstract The experimental result of terahertz (THz) coherent transition radiation generated from an ultrashort electron bunching beam is reported. During this experiment, the window for THz transmission from ultrahigh vacuum to free air is tested. The compact measurement system which can simultaneously test the THz wave power and frequency is built and proofed. With the help of improved Martin—Puplett interferometer and Kramers—Krong transform, the longitudinal bunch length is measured. The results show that the peak power of THz radiation wave is more than 80 kW, and its radiation frequency is from 0.1 THz to 1.5 THz.

Keywords: coherent transition radiation ultrashort electron bunching beam Martin—Puplett interferometer compact measurement system

Received: 03 November 2010
Revised: 22 January 2011
Accepted manuscript online:

PACS:	41.60.Dk	(Transition radiation)
	29.27.Eg	(Beam handling; beam transport)

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Liu Wen-Xin(刘文鑫), Huang Wen-Hui(黄文会), Du Ying-Chao(杜应超), Yan Li-Xin(颜立新), Wu Dai(吴岱), and Tang Chuan-Xiang(唐传祥) Terahertz coherent transition radiation based on an ultrashort electron bunching beam 2011 Chin. Phys. B 20 074102

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[1]	Characteristics of terahertz coherent transition radiation generated from picosecond ultrashort electron bunches Liu Wen-Xin(刘文鑫), Tang Chuan-Xiang(唐传祥), and Huang Wen-Hui(黄文会). Chin. Phys. B, 2010, 19(6): 062902.

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Terahertz coherent transition radiation based on an ultrashort electron bunching beam

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