Prof. Les G. Butler Profile

Prof. Les G. Butler

Chemistry Professor at Louisiana State Univ

SPIE Involvement:

Author

Publications (8)

Proceedings Article | 4 April 2022 Poster + Presentation + Paper

Observation of fringe patterns from a modulated phase grating x-ray interferometry system

Ivan Hidrovo, Sydney Carr, Kyungmin Ham, Les Butler, Amitava Roy, Joyoni Dey

Proceedings Volume 12031, 120313L (2022) https://doi.org/10.1117/12.2611814

KEYWORDS: Fringe analysis, X-rays, Interferometry, Phase interferometry

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Proceedings Article | 9 March 2018 Presentation + Paper

Two-dimensional single grating phase contrast system

Jingzhu Xu, Joyoni Dey, Kyungmin Ham, Narayan Bhusal, Leslie Butler

Proceedings Volume 10573, 1057323 (2018) https://doi.org/10.1117/12.2292829

KEYWORDS: X-rays, Phase contrast, Interferometry, Mammography, Near field, X-ray imaging, Interferometers

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Proceedings Article | 17 October 2012 Paper

Improving the workflow of tomography studies for the polymer additives industry

Kyungmin Ham, Kimberly White, Larry Simeral, Leslie Butler

Proceedings Volume 8506, 85060V (2012) https://doi.org/10.1117/12.930193

KEYWORDS: Tomography, X-rays, Polymers, Phase contrast, Visualization, Data acquisition, Synchrotrons, 3D image processing, Particles, Spherical lenses

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Proceedings Article | 7 September 2006 Paper

Imaging tissue structures: assessment of absorption and phase-contrast x-ray tomography imaging at 2nd and 3rd generation synchrotrons

Kyungmin Ham, Heath Barnett, Tolulope Ogunbakin, Dominique Homberger, Hermann Bragulla, Kenneth Matthews, Clinton Willson, Leslie Butler

Proceedings Volume 6318, 631822 (2006) https://doi.org/10.1117/12.681202

KEYWORDS: Tissues, Tomography, Phase contrast, Synchrotrons, Bone, Scanning electron microscopy, Natural surfaces, X-rays, Data acquisition, Absorption

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Proceedings Article | 7 September 2006 Paper

The 3D chemical distribution of a flame retardant in a fiberglass-reinforced polymer blend as measured with synchrotron x-ray tomography

Heath Barnett, Kyungmin Ham, Leslie Butler

Proceedings Volume 6318, 631821 (2006) https://doi.org/10.1117/12.681120

KEYWORDS: Polymers, Antimony, X-rays, Tomography, Absorption, Chemical analysis, Glasses, X-ray imaging, Binary data, Synchrotrons

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Proceedings Article | 26 October 2004 Paper

Algorithms for three-dimensional chemical analysis with multi-energy tomographic data

Kyungmin Ham, Clinton Willson, Mark Rivers, Richard Kurtz, Leslie Butler

Proceedings Volume 5535, (2004) https://doi.org/10.1117/12.560225

KEYWORDS: X-rays, Absorption, Databases, Charge-coupled devices, Mass attenuation coefficient, Tomography, Antimony, X-ray imaging, Copper, Signal attenuation

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