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Proceedings Paper

Wavefront propagation in synchrotron radiation beamlines
Author(s): Johannes Bahrdt; Uwe Flechsig
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Paper Abstract

Third generation synchrotron radiation light sources are designed for the operation of undulators and wigglers which increase the brightness by several orders of magnitude compared to dipole radiation. The light is partially coherent - and diffraction effects, depth of field effects of the insertion devices and polarization characteristics should be taken into account for beamline design and for radiation characterization. In previous work a procedure for a wave-front transformation through synchrotron radiation beamlines has been derived. The code PHASE allows a detailed description of diffraction related problems. In this paper an improved integration algorithm for the transformation method is presented which reduces the cpu time by one order of magnitude. Furthermore, a stepwise transformation of the wave-front is introduced which makes possible the evaluation of the electric field distribution at the surface of an optical element and hence, the implementation of apertures, random slope errors or refiectivities.

Paper Details

Date Published: 3 November 1997
PDF: 13 pages
Proc. SPIE 3150, Gratings and Grating Monochromators for Synchrotron Radiation, (3 November 1997); doi: 10.1117/12.279369
Show Author Affiliations
Johannes Bahrdt, BESSY GmbH (Germany)
Uwe Flechsig, BESSY GmbH (Germany)

Published in SPIE Proceedings Vol. 3150:
Gratings and Grating Monochromators for Synchrotron Radiation
Wayne R. McKinney; Christopher A. Palmer, Editor(s)

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