Effect of Surface Roughness of Optical Elements on Spatial Coherence of X-Ray Beams from the Third Generation Synchrotron Radiation Sources

[in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]

Journals >Acta Optica Sinica >Volume 20 >Issue 4 >Page 553 > Article

Acta Optica Sinica
Vol. 20, Issue 4, 553 (2000)

Effect of Surface Roughness of Optical Elements on Spatial Coherence of X-Ray Beams from the Third Generation Synchrotron Radiation Sources

[in Chinese]¹, [in Chinese]¹, [in Chinese]¹, [in Chinese]², [in Chinese]², and [in Chinese]²

Author Affiliations

¹[in Chinese]

²[in Chinese]

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[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Effect of Surface Roughness of Optical Elements on Spatial Coherence of X-Ray Beams from the Third Generation Synchrotron Radiation Sources[J]. Acta Optica Sinica, 2000, 20(4): 553 Copy Citation Text

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Abstract

Effect of surface roughness of Be window on the spatial coherence of hard X-ray beams is investigated by means of digital simulation, in which the interference pattern of one fiber in-line holography is employed to estimate the coherence. A simple model for X-ray reflection from rough surface is proposed. Based on this model, effect of surface roughness of reflection mirror on X-ray beams, including hard X-ray and soft X-ray, is simulated. The result from simulation is consistent with that from experiments.

Keywords

coherence in-line holography.roughness synchrotron radiation

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