Interpretation of bent-crystal rocking curves using phase-space diagrams

In developing a double bent-Laue crystal monochromator for synchrotron-based monochromatic computed tomography system, we applied a special projection of the phase-space diagram to interpret the shape of bent crystal rocking curves. Unlike the rigorous approach of the ray-tracing method, this graphi...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2000-06, Vol.447 (3), p.556-568
Main Authors: Ren, B., Dilmanian, F.A., Chapman, L.D., Wu, X.Y., Zhong, Z., Ivanov, I., Huang, X.
Format: Article
Language:English
Subjects:
Bent-crystal monochromator
Parallel position
Phase-space diagram
Rocking curve
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Summary:In developing a double bent-Laue crystal monochromator for synchrotron-based monochromatic computed tomography system, we applied a special projection of the phase-space diagram to interpret the shape of bent crystal rocking curves. Unlike the rigorous approach of the ray-tracing method, this graphical method provides direct pictures that allow checks of the physical significance of the shapes of the rocking curves, thereby providing quick guidelines for matching two bent crystals. The method's usefulness is demonstrated with our experimental results, and its limitations are discussed.
ISSN:0168-9002
1872-9576
DOI:10.1016/S0168-9002(99)01188-2