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Proceedings Paper

Off-axis zone-plate monochromator for high-power undulator radiation
Author(s): Malcolm R. Howells; Pambos S. Charalambous; H. He; S. Marcesini; John C. H. Spence
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Paper Abstract

We report the design and construction of an off-axis zone-plate monochromator for diffraction-imaging experiments at beam line 9.0.1 at the Advanced Light Source (ALS) synchrotron-radiation facility at Berkeley USA. The device is based on an off-axis zone plate which can be conveniently inserted into or retracted from the beam. We discuss design issues such as the efficiency and spectral purity of the system and the technique for designing heat-tolerant windows for soft x-ray undulator beams. The monochromator functions successfully and good-quality diffractions patterns are being made with the beam it delivers.

Paper Details

Date Published: 21 November 2002
PDF: 9 pages
Proc. SPIE 4783, Design and Microfabrication of Novel X-Ray Optics, (21 November 2002); doi: 10.1117/12.453809
Show Author Affiliations
Malcolm R. Howells, Lawrence Berkeley National Lab. (United States)
Pambos S. Charalambous, King's College London (United Kingdom)
H. He, Lawrence Berkeley National Lab. (United States)
S. Marcesini, Lawrence Berkeley National Lab. (United States)
John C. H. Spence, Lawrence Berkeley National Lab. (United States)
Arizona State Univ. (United States)

Published in SPIE Proceedings Vol. 4783:
Design and Microfabrication of Novel X-Ray Optics
Derrick C. Mancini, Editor(s)

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