Design of a new compact THz source based on Smith-Purcell radiation

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DAI Dong-Dong, BEI Hua and DAI Zhi-Min. Design of a new compact THz source based on Smith-Purcell radiation[J]. Chinese Physics C, 2009, 33(S2): 139-141. doi: 10.1088/1674-1137/33/S2/036
DAI Dong-Dong, BEI Hua and DAI Zhi-Min. Design of a new compact THz source based on Smith-Purcell radiation[J]. Chinese Physics C, 2009, 33(S2): 139-141.  doi: 10.1088/1674-1137/33/S2/036 shu
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Received: 2009-01-05
Revised: 1900-01-01
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Design of a new compact THz source based on Smith-Purcell radiation

    Corresponding author: DAI Zhi-Min,

Abstract: 

In recent years, people are dedicated to the research work of finding compact THz sources with high emission power. Smith-Purcell radiation is qualified for the possibility of coherent enhancement due to the effect of FEL mechanism. The compact experiment device is expected to produce hundreds mW level THz ray. The electron beam with good quality is provided under the optimized design of the electron gun. Besides, the grating is designed as an oscillator without any external feedbacks. While the beam passes through the grating surface, the beam bunching will be strong and the second harmonics enhancement will be evident, as is seen from the simulation results.

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