Dr. Michael Drakopoulos Profile

Dr. Michael Drakopoulos

at Brookhaven National Lab

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Author

Publications (14)

Proceedings Article | 14 October 2022 Open Access

Practical implementations of speckle-based phase-retrieval methods in Python and GPU for tomography

Nghia Vo, Hongchang Wang, Lingfei Hu, Tunhe Zhou, Marie-Christine Zdora, Hans Deyhle, Robert Atwood, Michael Drakopoulos

Proceedings Volume 12242, 122420E (2022) https://doi.org/10.1117/12.2636834

KEYWORDS: Speckle analysis, Phase contrast, Open source software, Tomography, X-ray imaging, Image processing

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Proceedings Article | 3 October 2022 Presentation

DIAD: A new instrument for Dual Imaging and Diffraction at Diamond Light Source (Conference Presentation)

Sharif Ahmed, Hans Deyhle, Andrew James, James Le Houx, Peter Garland, Michael Drakopoulos, Christina Reinhard, Navid Aslani

Proceedings Volume 12242, 122420G (2022) https://doi.org/10.1117/12.2644677

KEYWORDS: Diffraction, Light sources, Diamond, Synchrotrons, Sensors, Mirrors, Imaging systems, X-ray diffraction, Tomography, Switching

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Proceedings Article | 10 September 2019 Open Access

Preprocessing techniques for removing artifacts in synchrotron-based tomographic images

Nghia Vo, Robert Atwood, Michael Drakopoulos

Proceedings Volume 11113, 111131I (2019) https://doi.org/10.1117/12.2530324

KEYWORDS: Tomography, Algorithm development, Sensors, Detection and tracking algorithms, Distortion, Cameras, Imaging systems, Scattering, Scintillation, Photons

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Proceedings Article | 3 September 2008 Paper

Ray traces of an arbitrarily deformed double-crystal Laue x-ray monochromator

John Sutter, Thomas Connolley, Michael Drakopoulos, Timothy Hill, Doug Sharp

Proceedings Volume 7077, 70771N (2008) https://doi.org/10.1117/12.796937

KEYWORDS: Crystals, Monochromators, X-rays, Laser crystals, Diffraction, Ray tracing, X-ray diffraction, Finite element methods, Silicon, Fluctuations and noise

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Proceedings Article | 4 November 2004 Paper

Nanofocusing parabolic refractive x-ray lenses

Christian Schroer, Marion Kuhlmann, Olga Kurapova, U. T. Hunger, Til Florian Gunzler, Sebastian Feste, Bruno Lengeler, Stefan Ziegler, Michael Drakopoulos, Manfred Burghammer, Christian Riekel, Anatoly Snigirev, Irina Snigireva

Proceedings Volume 5539, (2004) https://doi.org/10.1117/12.559931

KEYWORDS: Lenses, X-rays, Hard x-rays, Synchrotron radiation, Silicon, Luminescence, Diffraction, X-ray optics, Diamond, Gold

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Proceedings Article | 4 November 2004 Paper

Near-diffraction limited coherent x-ray focusing using planar refractive lenses made of epoxy SU-8 resist

Irina Snigireva, Anatoly Snigirev, Michael Drakopoulos, Victor Kohn, Vladimir Nazmov, Elena Reznikova, Jurgen Mohr, Volker Saile

Proceedings Volume 5539, (2004) https://doi.org/10.1117/12.561082

KEYWORDS: Lenses, X-rays, CCD cameras, X-ray imaging, Epoxies, Lithography, Manufacturing, Diffraction, Photomasks, X-ray lithography

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

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Proceedings Article | 23 December 2003 Paper

Focusing properties of x-ray polymer refractive lenses from SU-8 resist layer

Anatoly Snigirev, Irina Snigireva, Michael Drakopoulos, Vladimir Nazmov, Elena Reznikova, Sergey Kuznetsov, Maxim Grigoriev, Jurgen Mohr, Volker Saile

Proceedings Volume 5195, (2003) https://doi.org/10.1117/12.507111

KEYWORDS: Lenses, X-rays, X-ray imaging, Lens design, X-ray lithography, Manufacturing, Silicon, Optics manufacturing, Collimators, Synchrotron radiation

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Proceedings Article | 21 November 2002 Paper

Deformation Bragg-Fresnel lens with SiO² surface structure

Vitaly Aristov, Michael Drakopoulos, Serguei Kuznetsov, Anatoly Snigirev, Irina Snigireva, Vecheslav Yunkin

Proceedings Volume 4783, (2002) https://doi.org/10.1117/12.451016

KEYWORDS: Crystals, Oxides, Diffraction, Silicon, X-rays, Etching, Silica, Silicon films, X-ray diffraction, Hard x-rays

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Proceedings Article | 21 November 2002 Paper

Diamond refractive lens for hard x-ray focusing

Anatoly Snigirev, Vecheslav Yunkin, Irina Snigireva, Marco Di Michiel, Michael Drakopoulos, Sergey Kouznetsov, Leonid Shabel'nikov, Michail Grigoriev, Victor Ralchenko, I. Sychov, Martin Hoffmann, Edgar Voges

Proceedings Volume 4783, (2002) https://doi.org/10.1117/12.451011

KEYWORDS: Diamond, Lenses, Hard x-rays, Microfabrication, X-rays, Optics manufacturing, X-ray technology, Optical properties, X-ray optics, Manufacturing

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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 | 25 January 2001 Paper

Compound refractive lenses: high-quality imaging optics for the X-FEL

Christian Schroer, Johannes Tuemmler, Bruno Lengeler, Michael Drakopoulos, Anatoly Snigirev, Irina Snigireva

Proceedings Volume 4143, (2001) https://doi.org/10.1117/12.413680

KEYWORDS: Lenses, Aluminum, Beryllium, X-ray optics, Free electron lasers, Diffraction, X-rays, Nickel, Hard x-rays, Visible radiation

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

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Proceedings Article | 11 December 1997 Paper

New fixed-exit double-crystal monochromator with one cooled crystal

Alexei Souvorov, Nikolai Abrosimov, Michael Drakopoulos, Alexei Erko, Wolfgang Gudat, Andreas Freund, S. Rassolenko, W. Schroeder, Irina Snigireva, Anatoly Snigirev

Proceedings Volume 3151, (1997) https://doi.org/10.1117/12.294493

KEYWORDS: Crystals, Silicon, Monochromators, Laser crystals, Temperature metrology, Germanium, Single crystal X-ray diffraction, Crystallography, Sensors, Synchrotrons

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Showing 5 of 14 publications

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