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磁场偏差的存在,严重地影响波荡器的辐射谱.用数值模拟方法计算出场偏差对即将建造的合肥800MeV电子储存环波荡器基波辐射谱及三次和五次谐波辐射谱的影响,并给出了辐射强度随光学相位的变化关系,提出了要得到较好辐射强度的光学相位差的极限值.
The existence of magnetic field deviation, seriously affect the oscilloscope’s radiation spectrum. The effect of field deviation on the fundamental radiation spectrum and the third and fifth harmonic radiation spectra of the 800MeV electronic storage ring undulator to be built is calculated by numerical simulation. The relationship between the radiation intensity and the optical phase is also given. Get better radiation intensity of the optical phase difference limit.