A new SHADOW update: integrating diffraction effects into ray-tracing

被引：6

作者：

Shi, Xianbo ^{[1
]}

del Rio, Manuel Sanchez ^{[2
]}

Reininger, Ruben ^{[1
]}

机构：

[1] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA

[2] European Synchrotron Radiat Fac, F-38000 Grenoble, France

来源：

ADVANCES IN COMPUTATIONAL METHODS FOR X-RAY OPTICS III | 2014年 / 9209卷

关键词：

hybrid method; SHADOW ray-tracing; wavefront propagation; diffraction effect; beamline design; X-ray optics simulation; OPTICS SIMULATION; SYNCHROTRON-RADIATION; HYBRID METHOD;

D O I：

10.1117/12.2061984

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We describe the new implementation in the ray-tracing code SHADOW based on a "hybrid method" developed recently. The code calculates the diffraction effects from an optical element by means of wavefront propagation, and combines the result with that from regular ray-tracing. This hybrid procedure is invoked when diffraction is present (e.g., beam clipped by an aperture or the finite size of the optics) by user demand. The code enables the simulation of mirror figure errors in the framework of wave optics. The simulation of a complete beamline based on the far-field approximation is demonstrated. The near-field propagation is also implemented for individual optics. Finally, the applicable conditions and limitations of the new code are discussed.

引用

页数：9

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