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5 September 2014 Partial coherence and imperfect optics at a synchrotron radiation source modeled by wavefront propagation
David Laundy, Simon G. Alcock, Lucia Alianelli, John P. Sutter, Kawal J. S. Sawhney, Oleg Chubar
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Proceedings Volume 9209, Advances in Computational Methods for X-Ray Optics III; 920903 (2014) https://doi.org/10.1117/12.2062903
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States
Abstract
A full wave propagation of X-rays from source to sample at a storage ring beamline requires simulation of the electron beam source and optical elements in the beamline. The finite emittance source causes the appearance of partial coherence in the wave field. Consequently, the wavefront cannot be treated exactly with fully coherent wave propagation or fully incoherent ray tracing. We have used the wavefront code Synchrotron Radiation Workshop (SRW) to perform partially coherent wavefront propagation using a parallel computing cluster at the Diamond Light Source. Measured mirror profiles have been used to correct the wavefront for surface errors.
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David Laundy, Simon G. Alcock, Lucia Alianelli, John P. Sutter, Kawal J. S. Sawhney, and Oleg Chubar "Partial coherence and imperfect optics at a synchrotron radiation source modeled by wavefront propagation", Proc. SPIE 9209, Advances in Computational Methods for X-Ray Optics III, 920903 (5 September 2014); https://doi.org/10.1117/12.2062903
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KEYWORDS
Mirrors
Wavefronts
X-rays
Wave propagation
Optical components
Optical simulations
Synchrotron radiation
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