A comparison of an elliptical multipole wiggler and crystal optics for the production of circularly polarized x rays
作者:
J. C. Lang,
George Srajer,
Roger J. Dejus,
期刊:
Review of Scientific Instruments
(AIP Available online 1996)
卷期:
Volume 67,
issue 1
页码: 62-67
ISSN:0034-6748
年代: 1996
DOI:10.1063/1.1146552
出版商: AIP
数据来源: AIP
摘要:
We have compared the circularly polarized x‐ray flux obtained from an elliptical multipole wiggler to that obtained from a planar undulator combined with phase retarding crystal optics. This comparison is carried out for low (3.5–13 keV) and high (50–100 keV) x‐ray energies. For both these energy regimes, we demonstrate that phase retarding crystal optics are not only a viable alternative to specialized insertion devices but in some cases provide a superior source of circularly polarized x rays. ©1996 American Institute of Physics.
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