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Novel instruments for ultra-soft X-ray emission spectroscopy
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Materials Science, Soft X-Ray Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Materials Science, Soft X-Ray Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Materials Science, Soft X-Ray Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Materials Science, Soft X-Ray Physics.
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2009 (English)In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 601, no 1-2, 213-219 p.Article in journal (Refereed) Published
Abstract [en]

Two alternative instrument designs to the traditional Rowland grating spectrometer for high resolution ultra-soft X-ray spectroscopy are presented. The first instrument is a plane grating spectrometer using off-axis parabolic mirrors for collection and refocusing, and with a spatially resolving multichannel detector with delay line read-out. The instrument offers substantially higher performance in terms of resolution and sensitivity than traditional instruments. The second instrument is a Fourier transform spectrometer based on a grazing incidence Mach-Zehnder interferometer using wavefront dividing beamsplitters. The path length difference can be scanned over 0.1 mm, which corresponds to a resolution of 12 meV. (C) 2009 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
2009. Vol. 601, no 1-2, 213-219 p.
Keyword [en]
Soft X-ray, Spectrometer, Interferometer, RIXS, X-ray spectroscopy, Fourier transform spectrometer
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-129133DOI: 10.1016/j.nima.2008.12.227ISI: 000264918300020OAI: oai:DiVA.org:uu-129133DiVA: diva2:337711
Available from: 2010-08-09 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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Agåker, MarcusOlsson, Anders

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