行波磁场摆动器产生自由电子激光的初步研究
Preliminary research on walking wave magnetic field wiggler giving off FEL
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摘要: 在一定放置的线圈中通以正弦交流电时,其附近空间就会产生一个正弦行波磁场,磁场的极距和行波的速度都可以通过输入的频率加以调节。相对论性电子在这种摆动器中的散射波长比较短,而能量因子值可以变,这既有利于向短波长方向发展,又有助于自由电子激光器的小型化。Abstract: About a coil being charged with a sine-alternation,there is a sine-walking-wave magnetic field.The distance between N and S of the field and the speed of the walking wave all can be regulated by changing the frequency of the sine-alternation.We get the result that the relativistic electron can get off shorter scattaning wavelength from the wiggler,the energy factor can be changed.Therefore the wiggler can be benefitical to the development of shorter wavelength and can contribute to the realization of the miniaturization of FEL.
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Keywords:
- walking-wave magnetic field /
- wiggler /
- FEL
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