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231223s2008 xx |||||o 00| ||eng c |
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|a 10.1107/S0909049508027374
|2 doi
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|a eng
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|a Oberta, P
|e verfasserin
|4 aut
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|a Study of micro-channel geometries for internally cooled Si monochromators
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|c 2008
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 08.01.2009
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|a Date Revised 21.11.2013
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Rocking curves of micro-channel (MC) water-cooled monochromators are broadened by stresses introduced during fabrication and under X-ray thermal load. This is a problem which will be even more serious with the rise of the fourth-generation synchrotron sources, i.e. the free-electron lasers. The X-ray optics group at the Institute of Physics at the ASCR v.v.i. in Prague is designing, testing and, with company Polovodice a.s., fabricating novel internally water-cooled Si monochromators. Here three new micro-channel geometries are introduced which reduce rocking-curve enlargement owing to the fabrication to less than 2.5 microrad ( approximately 0.5 arcsec). All three MC designs show less rocking-curve enlargement and smoother topographic images. The designs also show better cooling efficiencies than the classical MC design in finite-element analysis calculations
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Silicon
|2 NLM
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|a Z4152N8IUI
|2 NLM
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|a Ac, V
|e verfasserin
|4 aut
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|a Hrdý, J
|e verfasserin
|4 aut
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|a Lukás, B
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of synchrotron radiation
|d 1994
|g 15(2008), Pt 6 vom: 11. Nov., Seite 543-8
|w (DE-627)NLM09824129X
|x 0909-0495
|7 nnns
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|g volume:15
|g year:2008
|g number:Pt 6
|g day:11
|g month:11
|g pages:543-8
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|u http://dx.doi.org/10.1107/S0909049508027374
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