CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Study of the focusing properties of Laue bent crystal by ray-tracing
Chen, C(陈灿); Tong, YJ(佟亚军); Xie, HL(谢红兰); Xiao, TQ(肖体乔)
2012
Source PublicationACTA PHYSICA SINICA
ISSN1000-3290
Volume61Issue:10
AbstractThe laue bent crystal is the most effective optical element of focusing, collimating and monochromating of high flux density hard X-rays (above 30 keV) from the insertion device radiation, because of reducing the high heat load effectively. So the study of the focusing optical properties is important for developing high performance and stability laue bent crystal monochromator. We give a systematic research of the focusing properties of laue bent crystal by X-ray trace program self-developed, analyze the effects of the mode of incident beam and crystal parameter on focusing spot size, focal length, diffracted beam divergence, etc., and obtain the following results: the higher the diffracted energy, the smaller the spot size is and the spot size tends to be a constant; the smaller the bend radius of crystal, the smaller the spot size is, and the spot size reaches a minimum when the bend radius is a threshold, then as the bend radius decreases, the spot size becomes larger because of aberration; the spot size is linearly directly proportional to the thickness of crystal. For the divergence of diffracted beam, it becomes smaller as the diffracted energy is high, and tends to be a constant; it is linearly directly proportional to the curvature of bent crystal. Also we obtain a reasonable range of bent crystal parameters from the study by ray-tracing.
Language英语
Funding Project应物所项目组
WOS IDWOS:000304976200022
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13300
Collection中科院上海应用物理研究所2011-2020年
Recommended Citation
GB/T 7714
Chen, C,Tong, YJ,Xie, HL,et al. Study of the focusing properties of Laue bent crystal by ray-tracing[J]. ACTA PHYSICA SINICA,2012,61(10).
APA Chen, C,Tong, YJ,Xie, HL,&Xiao, TQ.(2012).Study of the focusing properties of Laue bent crystal by ray-tracing.ACTA PHYSICA SINICA,61(10).
MLA Chen, C,et al."Study of the focusing properties of Laue bent crystal by ray-tracing".ACTA PHYSICA SINICA 61.10(2012).
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