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231223s2011 xx |||||o 00| ||eng c |
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|a 10.1107/S0909049510044523
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|a eng
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1 |
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|a Uesugi, K
|e verfasserin
|4 aut
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|a Comparison of lens- and fiber-coupled CCD detectors for X-ray computed tomography
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|c 2011
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|a Text
|b txt
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 03.06.2011
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|a Date Revised 20.10.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a X-ray imaging detectors with an identical phosphor and a CCD chip but employing lens- and fiber-coupling between them have been compared. These are designed for X-ray imaging experiments, especially computed tomography, at the medium-length beamline at the SPring-8 synchrotron radiation facility. It was found that the transmittance of light to the CCD is about four times higher in the fiber-coupled detector. The uniformity of response in the lens-coupled detector has a global shading of up to 40%, while pixel-to-pixel variation owing to a chicken-wire pattern was dominant in the fiber-coupled detector. Apart from the higher transmittance, the fiber-coupled detector has a few characteristics that require attention when it is used for computed tomography, which are browning of the fiber, discontinuity in the image, image distortion, and dark spots in the chicken-wire pattern. Thus, it is most suitable for high-speed tomography of samples that tend to deform, for example biological and soft materials
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|a Journal Article
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1 |
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|a Hoshino, M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yagi, N
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of synchrotron radiation
|d 1994
|g 18(2011), Pt 2 vom: 21. März, Seite 217-23
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|x 1600-5775
|7 nnns
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| 773 |
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|g volume:18
|g year:2011
|g number:Pt 2
|g day:21
|g month:03
|g pages:217-23
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|u http://dx.doi.org/10.1107/S0909049510044523
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