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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/30340
Record Status
Checked
Record Id
30340
Title
Higher-order suppression in diffraction grating monochromators using thin films
Contributors
F M Quinn (CCLRC Daresbury Lab.)
,
D Teehan (CCLRC Daresbury Lab.)
,
M MacDonald (CCLRC Daresbury Lab.)
,
S Downes (CCLRC Daresbury Lab.)
,
P Bailey (CCLRC Daresbury Lab.)
Abstract
Although a continuously tuneable source of photons is a very desirable feature of synchrotron radiation it has one main drawback: the contamination of the photon beam by higher-order diffracted light. Several elements have absorption edges which lie between 10 and 200 eV, a range prone to high second- and third-order content in XUV monochromators. They can, therefore, be used as transmission filters to reduce this higher-order content. This paper describes the use of thin filters to reduce the higher-order content in diffraction-grating monochromators. Their suppression efficiency, transmission and ageing have been characterized using photoelectron spectroscopy and compared with calculated values. The effect of oxide contamination on their performance has been assessed. Filters are now installed on eight XUV beamlines and have been in routine use for several years.
Organisation
CCLRC
,
SRS
,
SND
Keywords
Funding Information
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Language
English (EN)
Type
Details
URI(s)
Local file(s)
Year
Journal Article
J Synchrotron Radiat
5, no. 3 (1998): 783-785.
doi:10.1107/S0909049597016440
1998
Paper In Conference Proceedings
In 6th International Conference on Synchrotron Radiation Instrumentation (SRI '97), Himeji, Japan, 4-8 Aug 1997, (1997).
1997
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