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Proceedings Paper

Undulators as a Primary Source of Coherent X-rays
Author(s): D. T. Attwood; K.-J. Kim; K. Halbach; M. R. Howells
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Paper Abstract

Coherent x-rays have long been sought as a tool to discover microscopic details of physical and biological assemblies. Such radiation would permit biologists, chemists and physicists to probe with spatial resolutions better than 1,000 Å (perhaps 10 to 100 Å in special circumstances), and with an ability to distinguish concentrations of specific atomic elements. It has been the prevailing view that such radiation, when available, would emanate from an atomic x-ray laser. Although that is possible, we are coming to realize that to a large degree these needs will first be satisfied by coherent x-rays generated through the interaction of relativistic electron beams of very high brightness with periodic magnet structures (undulators). Within the next 2-5 years it will be possible with undulators and monochromators to generate x-rays at substantial peak and average powers, with thousands of wavelengths of longitudinal coherence, full spatial coherence, complete polarization control and broad tunability at megahertz repetition rates.

Paper Details

Date Published: 5 May 1986
PDF: 10 pages
Proc. SPIE 0582, Insertion Devices for Synchrotron Sources, (5 May 1986); doi: 10.1117/12.950907
Show Author Affiliations
D. T. Attwood, University of California (United States)
K.-J. Kim, University of California (United States)
K. Halbach, University of California (United States)
M. R. Howells, University of California (United States)


Published in SPIE Proceedings Vol. 0582:
Insertion Devices for Synchrotron Sources
Ingolf E. Lindau; Roman O. Tatchyn, Editor(s)

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