Fast tomography using quasi-monochromatic undulator radiation

Kentaro Uesugi; Toshihiro Sera; Naoto Yagi

doi:10.1107/S0909049506023466

Fast tomography using quasi-monochromatic undulator radiation

Kentaro Uesugi, Toshihiro Sera, Naoto Yagi

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

Abstract

A beamline with a helical undulator has been used without a monochromator for fast high-resolution tomographic imaging with an X-ray energy of 12.4-16.5 keVand an energy bandwidth of 2-3%. The X-ray beam was expanded with two mirrors to 12 mm × 4 mm. The X-ray field was made uniform by a diffuser. The detector pixel size was 9.9 μm × 9.9 μm. At the highest speed, a 180° scan was completed in 6 s with 454 projections. Beam-hardening effects were not significant. This technique may be useful in studying time-dependent structural changes of soft materials such as polymers and biological samples.

Original language	English
Pages (from-to)	403-407
Number of pages	5
Journal	Journal of Synchrotron Radiation
Volume	13
Issue number	5
DOIs	https://doi.org/10.1107/S0909049506023466
Publication status	Published - Sep 1 2006
Externally published	Yes

All Science Journal Classification (ASJC) codes

Radiation
Nuclear and High Energy Physics
Instrumentation

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AB - A beamline with a helical undulator has been used without a monochromator for fast high-resolution tomographic imaging with an X-ray energy of 12.4-16.5 keVand an energy bandwidth of 2-3%. The X-ray beam was expanded with two mirrors to 12 mm × 4 mm. The X-ray field was made uniform by a diffuser. The detector pixel size was 9.9 μm × 9.9 μm. At the highest speed, a 180° scan was completed in 6 s with 454 projections. Beam-hardening effects were not significant. This technique may be useful in studying time-dependent structural changes of soft materials such as polymers and biological samples.

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Fast tomography using quasi-monochromatic undulator radiation

Abstract

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