Light source based on a 100 mm-long monolithic undulator magnet with a very short 4 mm-period length
Light source based on a 100 mm-long monolithic undulator magnet with a very short 4 mm-period length
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光源基于 100 毫米长的单片波荡器磁体，周期长度极短，为 4 毫米
DOI：
10.1107/s1600577519013031
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发表时间：
2019
期刊：
影响因子：
--
通讯作者：
F. Hinode and H. Hama
中科院分区：
文献类型：
--
作者：
S. Yamamoto;S. Kashiwagi;S. Masuda;N. Nakanii;T. Hosokai;M. Kando;T. Muto;K. - Nanbu;F. Hinode and H. Hama
一种新的方法来制造几毫米周期长度的波荡器磁体正在探索中。成功地制备了100 mm长、4 mm周期长的板状磁体。 它们在1.6 mm的间隙处产生约3 kG的波荡器场。 基于这种技术的原型波已建成。场测量和表征表明，这些板状磁体的波荡器场的质量对于波荡器光源是足够的，并且计算的光谱表明，从该场发射的基本辐射是相当令人满意的。使用真实的电子束的光产生的测试实验已经在日本东北大学电子光子科学研究中心（ELPH）的测试加速器上进行，该测试加速器能够实现接受1.6mm的非常短的间隙的光学条件。 成功地完成了对蓝光的首次观察和表征。
A novel method to fabricate undulator magnets of a-few-millimetre-period length is being explored. Plate-type magnets, 100 mm-long with 4 mm-period length, have been successfully fabricated. They produce an undulator field of approximately 3 kG at a gap of 1.6 mm. Prototype undulators based on this technology have been constructed. Field measurements and characterization show that the quality of the undulator field of these plate magnets is sufficient for an undulator light source, and the calculated spectrum shows that the fundamental radiation emitted from this field is quite satisfactory. Test experiments for light generation using a real electron beam have been carried out at a test accelerator at the Research Center for Electron Photon Science (ELPH), Tohoku University, Japan, which is able to realize optics conditions to accept a very short gap of ∼1.6 mm. First observation and characterization of blue light was successfully accomplished.