Dr. Alexandre S. Simionovici Profile

Dr. Alexandre S. Simionovici

Senior Scientist at DO NOT USE - SEE IDN 1043038

SPIE Involvement:

Author

Proceedings Article | 1 October 2007 Paper

In situ search for life traces in extraterrestrial samples by synchrotron x-ray fluorescence 2D and 3D imaging

Laurence Lemelle, Alexandre Simionovici, Murielle Salomé, Pierre Bleuet, Jean Susini, Philippe Gillet

Proceedings Volume 6694, 669414 (2007) https://doi.org/10.1117/12.733167

KEYWORDS: Iron, Signal attenuation, Chemical analysis, X-ray microscopy, Synchrotrons, Chemical elements, Absorption, Silicates, Tomography, Luminescence

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Proceedings Article | 26 October 2004 Paper

Tomography with chemical speciation

Christoph Rau, Andrea Somogyi, Alexandre Simionovici

Proceedings Volume 5535, (2004) https://doi.org/10.1117/12.558825

KEYWORDS: Tomography, Absorption, X-rays, Chemical species, Sensors, Chemical analysis, Spectroscopy, Chemical elements, Molybdenum, Capillaries

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Proceedings Article | 26 October 2004 Paper

Seven years of x-ray fluorescence computed microtomography

Alexandre Simionovici, Bruno Golosio, Marina Chukalina, Andrea Somogyi, Laurence Lemelle

Proceedings Volume 5535, (2004) https://doi.org/10.1117/12.558948

KEYWORDS: X-ray fluorescence spectroscopy, Sensors, Statistical analysis, Absorption, Chemical elements, Luminescence, Fluorescence tomography, Iron, Fourier transforms, Tomography

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Proceedings Article | 26 October 2004 Paper

Fluorescence microtomography using nanofocusing refractive x-ray lenses

Christian Schroer, Til Florian Gunzler, Marion Kuhlmann, Olga Kurapova, Sebastian Feste, Mario Schweitzer, Bruno Lengeler, Walter Schroder, Michael Drakopoulos, Andrea Somogyi, Alexandre Simionovici, Anatoly Snigirev, Irina Snigireva

Proceedings Volume 5535, (2004) https://doi.org/10.1117/12.559679

KEYWORDS: Microscopy, Synchrotron radiation, X-ray fluorescence spectroscopy, Signal attenuation, X-rays, Hard x-rays, Particles, Tomography, Lenses, Luminescence

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Proceedings Article | 21 November 2002 Paper

Beryllium parabolic refractive x-ray lenses

Christian Schroer, Marion Kuhlmann, Bruno Lengeler, Til Gunzler, O. Kurapova, Boris Benner, Christoph Rau, Alexandre Simionovici, Anatoly Snigirev, Irina Snigireva

Proceedings Volume 4783, (2002) https://doi.org/10.1117/12.451013

KEYWORDS: X-ray optics, Photomicroscopy, X-ray imaging, Hard x-rays, Microscopy, Image resolution, Aluminum, X-rays, Beryllium, Lenses

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Proceedings Article | 7 January 2002 Paper

XANES micro-imaging and tomography

Christoph Rau, Andrea Somogyi, A. Bytchkov, Alexandre Simionovici

Proceedings Volume 4503, (2002) https://doi.org/10.1117/12.452851

KEYWORDS: Tomography, Absorption, X-rays, Sensors, Chemical elements, Capillaries, Imaging systems, Molybdenum, Chemistry, Oxidation

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Proceedings Article | 7 January 2002 Paper

New results in x-ray computed fluorescence tomography

Alexandre Simionovici, Marina Chukalina, B. Vekemans, L. Lemelle, Ph. Gillet, Christian Schroer, Bruno Lengeler, Walter Schroeder, Theresa Jeffries

Proceedings Volume 4503, (2002) https://doi.org/10.1117/12.452848

KEYWORDS: Luminescence, Tomography, Silicon, Iron, Calcium, Sensors, Fluorescence tomography, Rubidium, Capillaries, X-ray fluorescence spectroscopy

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Proceedings Article | 7 January 2002 Paper

High-resolution element mapping inside biological samples using fluorescence microtomography

Christian Schroer, Boris Benner, Til Guenzler, Marion Kuhlmann, Bruno Lengeler, Walter Schroeder, Arnd Kuhn, Alexandre Simionovici, Anatoly Snigirev, Irina Snigireva

Proceedings Volume 4503, (2002) https://doi.org/10.1117/12.452850

KEYWORDS: Radon transform, Rubidium, X-ray fluorescence spectroscopy, Sensors, Absorption, Tomography, Potassium, Chemical elements, Luminescence, Signal attenuation

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Proceedings Article | 13 December 2001 Paper

Microbeam production using compound refractive lenses: beam characterization and applications

Christian Schroer, Bruno Lengeler, Boris Benner, Til Guenzler, Marion Kuhlmann, Alexandre Simionovici, Sylvain Bohic, Michael Drakopoulos, Anatoly Snigirev, Irina Snigireva, Walter Schroeder

Proceedings Volume 4499, (2001) https://doi.org/10.1117/12.450222

KEYWORDS: Luminescence, Lenses, X-rays, Aluminum, Chemical elements, X-ray optics, Mirrors, Iron, Optical filters, Potassium

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Proceedings Article | 18 December 2000 Paper

Fluorescence microtomography: external mapping of elements inside biological samples

Christian Schroer, Johannes Tuemmler, Til Guenzler, Bruno Lengeler, Walter Schroeder, Arnd Kuhn, Alexandre Simionovici, Anatoly Snigirev, Irina Snigireva

Proceedings Volume 4142, (2000) https://doi.org/10.1117/12.410573

KEYWORDS: Luminescence, Chemical elements, Absorption, Sensors, Potassium, Lenses, Tomography, X-ray fluorescence spectroscopy, Hard x-rays, Signal detection

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Proceedings Article | 22 September 1999 Paper

X-ray fluorescence microtomography: experiment and reconstruction

Alexandre Simionovici, Marina Chukalina, Michael Drakopoulos, Irina Snigireva, Anatoly Snigirev, Christian Schroer, Bruno Lengeler, Koen Janssens, Freddy Adams

Proceedings Volume 3772, (1999) https://doi.org/10.1117/12.363733

KEYWORDS: Image resolution, Capillaries, Chemical elements, Absorption, X-rays, Sensors, Tomography, Reconstruction algorithms, X-ray fluorescence spectroscopy, Luminescence

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Showing 5 of 11 publications

Conference Committee Involvement (2)

Instruments, Methods, and Missions for Astrobiology XI

12 August 2008 | San Diego, California, United States

Instruments, Methods, and Missions for Astrobiology X

28 August 2007 | San Diego, California, United States

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