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http://hdl.handle.net/20.500.12386/33098| Title: | Coating samples for the BEaTriX mirrors: surface roughness analysis | Authors: | SPIGA, Daniele | Issue Date: | 2021 | Number: | INAF-OAB internal report 2021/01 | Abstract: | This brief document reports the characterizations of X-ray reflectivity and scattering performed on platinum coating samples deposited at DTU on superpolished (rms < 2 Å) fused silica substrates. The samples represent preliminary tests for the deposition of the reflective coating on the parabolic mirror (in HOQ310 fused quartz) of the BEaTriX X-ray facility, in construction at INAF-OAB. The X-ray characterizations that have been performed at INAF-OAB encompass XRR tests at 8.045 keV, and low-res XRS measurements at the same energy. While the former returns a single roughness rms value within a non-precisely identified spatial frequency range, the latter return a reliable method for an independent measurement of the surface PSD. | URI: | http://hdl.handle.net/20.500.12386/33098 | Fulltext: | open |
| Appears in Collections: | 4.03 Rapporti di progetto |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| IR_OAB_2021_01.pdf | FULL TEXT | 3.56 MB | Adobe PDF | View/Open |
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