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17 Jan 2011

Volume 98, Issue 3, Articles (03xxxx)

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Appl. Phys. Lett. 98, 031101 (2011); http://dx.doi.org/10.1063/1.3529469 (3 pages)

Sinan Balci, Askin Kocabas, Coskun Kocabas, and Atilla Aydinli
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Ultrafast three-dimensional x-ray computed tomography

Martina Bieberle, Frank Barthel, Hans-Jürgen Menz, Hans-Georg Mayer, and Uwe Hampel

Appl. Phys. Lett. 98, 034101 (2011); http://dx.doi.org/10.1063/1.3534806 (3 pages) | Cited 1 time

Online Publication Date: 20 January 2011

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X-ray computed tomography (CT) is a well established visualization technique in medicine and nondestructive testing. However, since CT scanning requires sampling of radiographic projections from different viewing angles, common CT systems with mechanically moving parts are too slow for dynamic imaging, for instance of multiphase flows or live animals. Here, we introduce an ultrafast three-dimensional x-ray CT method based on electron beam scanning, which achieves volume rates of 500 s−1. Primary experiments revealed the capability of this method to recover the structure of phase boundaries in gas-solid and gas-liquid two-phase flows, which undergo three-dimensional structural changes in the millisecond scale.
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87.59.bd Computed radiography
87.57.Q- Computed tomography
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