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Optical Engineering

Theory and practice of elliptically bent x-ray mirrors
Author(s): Malcolm R. Howells; Daniela Cambie; Steven C. Irick; Alastair A. MacDowell; Howard A. Padmore; Timothy R. Renner; Seung Yu Rah; Reuben Sandler
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Paper Abstract

We report the results of our research and development in techniques for producing elliptical x-ray mirrors by controlled bending of a flat substrate. We review the theory and technique of mirror bending with emphasis on the optical engineering issues and describe our design concepts for both metal and ceramic mirrors. We provide analysis of the various classes of error that must be addressed to obtain a high quality elliptical surface and a correspondingly fine focus of the x-ray beam. We describe particular mirrors that have been built, using these techniques, to meet the requirements of the scientific program at the Advanced Light Source at Lawrence Berkeley National Laboratory. For these examples, we show optical metrology results indicating the achievement of surface accuracy values around and, in some cases, below 1 ?rad as well as x-ray measurements showing submicrometer focal spots.

Paper Details

Date Published: 1 October 2000
PDF: 15 pages
Opt. Eng. 39(10) doi: 10.1117/1.1289879
Published in: Optical Engineering Volume 39, Issue 10
Show Author Affiliations
Malcolm R. Howells, Lawrence Berkeley National Lab. (United States)
Daniela Cambie, Lawrence Berkeley National Lab. (United States)
Steven C. Irick, Lawrence Berkeley National Lab. (United States)
Alastair A. MacDowell, Lawrence Berkeley National Lab. (United States)
Howard A. Padmore, Lawrence Berkeley National Lab. (United States)
Timothy R. Renner, Lawrence Berkeley National Lab. (United States)
Seung Yu Rah, Pohang Light Source (South Korea)
Reuben Sandler, Lawrence Berkeley National Lab. (United States)

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