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提出一种新型产生线极化摇摆磁场的wiggler,即环型线电流线极化wiggler.它是由许多圆环及连接导线固定在w屯gler骨架上而组成.通过求解拉普拉斯方程,导出了此w电eler磁场分布的理论解.理论解表明,此wiggler产生的线极化磁场不仅在z轴附近空间基模占空比大,而且在垂直于线极化磁场方向能形成具有聚束能力的六极子磁场.此装置的另一特点是容易加工成短周期(5—10mm)wiggler,并且非常容易实现变磁场、变周期和同时变磁场变周期的线极化wiggler.
A new type of wiggler that generates linear polarization swinging magnetic field is proposed, which is composed of a ring-shaped line current-line polarization wiggler. It consists of a number of rings and connecting wires fixed on a w- gler skeleton. By solving the Laplace equation, The theoretical solution of the magnetic field distribution is derived.The theoretical solution shows that the linear polarized magnetic field produced by this wiggler not only has a large fundamental mode duty ratio in the space around the z axis but also a polygonal magnetic field with a poly Beam capabilities of the six-pole magnetic field Another feature of this device is easy to process into a short period (5-10mm) wiggler, and very easy to achieve variable magnetic field, variable cycle and variable magnetic field variable linear polarization wiggler.