We studied typical forms of contamination on X-ray mirrors that cause degradation of beam quality, investigated techniques to remove the contaminants, and propose methods to eliminate the sources of the contamination. The total amount of carbon-containing substances on various materials in the vicinity of a mirror was measured by thermal desorption-gas chromatography/mass spectrometry and thermal desorption spectroscopy. It was found that cleanliness and ultra-high vacuum techniques are required to produce the contamination-free surfaces that are essential for the propagation of high-quality X-ray beams. The reduction of carbonaceous residue adsorbed on the surfaces, and absorbed into the bulk, of the materials in the vicinity of the mirrors is a key step toward achieving contamination-free X-ray optics.
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27 July 2016
PROCEEDINGS OF THE 12TH INTERNATIONAL CONFERENCE ON SYNCHROTRON RADIATION INSTRUMENTATION – SRI2015
6–10 July 2015
New York, NY USA
Research Article|
July 27 2016
Development of contamination-free x-ray optics for next-generation light sources
Haruhiko Ohashi;
Haruhiko Ohashi
a)
JASRI
/ SPring-8, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198 JAPAN
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Yasunori Senba;
Yasunori Senba
JASRI
/ SPring-8, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198 JAPAN
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Hirokatsu Yumoto;
Hirokatsu Yumoto
JASRI
/ SPring-8, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198 JAPAN
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Takahisa Koyama;
Takahisa Koyama
JASRI
/ SPring-8, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198 JAPAN
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Takanori Miura;
Takanori Miura
JASRI
/ SPring-8, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198 JAPAN
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Hikaru Kishimoto
Hikaru Kishimoto
JASRI
/ SPring-8, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198 JAPAN
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a)
Corresponding author: hohashi@spring8.or.jp
AIP Conf. Proc. 1741, 040023 (2016)
Citation
Haruhiko Ohashi, Yasunori Senba, Hirokatsu Yumoto, Takahisa Koyama, Takanori Miura, Hikaru Kishimoto; Development of contamination-free x-ray optics for next-generation light sources. AIP Conf. Proc. 27 July 2016; 1741 (1): 040023. https://doi.org/10.1063/1.4952895
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