Numerical modeling of a high power terahertzsource in Shanghai

DAI Jin-Hua; DENG Hai-Xiao; DAI Zhi-Min

doi:10.1088/1674-1137/36/7/014

Chinese Physics C> 2012, Vol. 36> Issue(7) : 648-652 DOI: 10.1088/1674-1137/36/7/014

Numerical modeling of a high power terahertzsource in Shanghai

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Abstract：
On the basis of an energy-recovery linac, a terahertz source with a potential for kilowatts of average power is proposed in Shanghai, which will serve as an effective tool for material and biological sciences. In this paper, the physical design of two free electron laser (FEL) oscillators, in a frequency range of 2--10 THz and 0.5--2 THz respectively, are presented. By using three-dimensional, time-dependent numerical modeling of GENESIS in combination with a paraxial optical propagation code, the THz oscillator performance, the detuning effects, and the tolerance requirements on the electron beam, the undulator field and the cavity alignment are given.

References

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Knyazev B et al. Meas. Sci. Technol., 2010, 21: 054017[2] Reiche S. Nucl. Instrum. Methods Phys. Res. A, 1999, 429: 243[3] Vander slot P et al. Phys. Rev. Lett., 2009, 102: 244802[4] Karssenberg J G et al. FEL-Oscillator Simulations with Genesis1.3. In: Proceeding of the International FEL 2006, BESSY, German, 2006. 407--410

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DAI Jin-Hua, DENG Hai-Xiao and DAI Zhi-Min. Numerical modeling of a high power terahertzsource in Shanghai[J]. Chinese Physics C, 2012, 36(7): 648-652. doi: 10.1088/1674-1137/36/7/014

DAI Jin-Hua, DENG Hai-Xiao and DAI Zhi-Min. Numerical modeling of a high power terahertzsource in Shanghai[J]. Chinese Physics C, 2012, 36(7): 648-652. doi: 10.1088/1674-1137/36/7/014 shu

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Received: 2011-07-28
Revised: 1900-01-01

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