Dr. Kahraman Keskinbora Profile

Dr. Kahraman Keskinbora

Application Engineer

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Publications (7)

Proceedings Article | 26 September 2023 Presentation + Paper

High-resolution large-area patterning of photonic structures using a multibeam direct write laser lithography technology

Kahraman Keskinbora, Niek Kremers, Jan Aarts, Hendrik Postma, Viacheslav Vlasenko, Jacco Houter

Proceedings Volume 12667, 126670B (2023) https://doi.org/10.1117/12.2677334

KEYWORDS: Lithography, Laser applications, Scanning electron microscopy, Optical lithography, Photonic crystals, Nanotechnology, Metrology, Laser systems engineering, Packaging, Nanolithography

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SPIE Journal Paper | 31 August 2018 Open Access

Correction of axial position uncertainty and systematic detector errors in ptychographic diffraction imaging

Lars Lötgering, Max Rose, Kahraman Keskinbora, Margarita Baluktsian, Gül Dogan, Umut Sanli, Iuliia Bykova, Markus Weigand, Gisela Schütz, Thomas Wilhein

OE, Vol. 57, Issue 08, 084106, (August 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.8.084106

KEYWORDS: Sensors, Diffraction, Imaging systems, Detection and tracking algorithms, Convolution, Fourier transforms, Calibration, Visible radiation, Optical engineering, Spatial coherence

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Proceedings Article | 18 September 2015 Paper

Fabrication and x-ray testing of true kinoform lenses with high efficiencies

Kahraman Keskinbora, Umut Sanli, Corinne Grévent, Gisela Schütz

Proceedings Volume 9592, 95920H (2015) https://doi.org/10.1117/12.2187896

KEYWORDS: Computer generated holography, Lenses, X-rays, Chemical elements, Absorption, Diffraction, Hard x-rays, Crystals, Binary data, Ion beam lithography

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Proceedings Article | 18 September 2015 Paper

High-resolution high-efficiency multilayer Fresnel zone plates for soft and hard x-rays

Umut Sanli, Kahraman Keskinbora, Keith Gregorczyk, Jonas Leister, Nicolas Teeny, Corinne Grévent, Mato Knez, Gisela Schütz

Proceedings Volume 9592, 95920F (2015) https://doi.org/10.1117/12.2187795

KEYWORDS: X-rays, Atomic layer deposition, Diffraction, Hard x-rays, Zone plates, Image resolution, X-ray microscopy, Ion beams, X-ray optics, Polishing

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Proceedings Article | 12 May 2015 Paper

Overview of the multilayer-Fresnel zone plate and the kinoform lens development at MPI for intelligent systems

Umut Tunca Sanli, Kahraman Keskinbora, Corinne Grévent, Gisela Schütz

Proceedings Volume 9510, 95100U (2015) https://doi.org/10.1117/12.2186321

KEYWORDS: Computer generated holography, X-ray optics, X-rays, Hard x-rays, Zone plates, Atomic layer deposition, Intelligence systems, Diffraction, Ion beams, Absorption

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Proceedings Article | 2 May 2014 Paper

Optimizing the fabrication of diffractive optical elements using a focused ion beam system

A. Vijayakumar, Ulrike Eigenthaler, Kahraman Keskinbora, Gayathri Sridharan, V. Pramitha, Michael Hirscher, Joachim Spatz, Shanti Bhattacharya

Proceedings Volume 9130, 91300X (2014) https://doi.org/10.1117/12.2051925

KEYWORDS: Diffractive optical elements, Axicons, Binary data, Ion beams, Structured optical fibers, Raster graphics, Optical design, Lithography, Optical fabrication, Optical fibers

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Proceedings Article | 26 September 2013 Paper

Recent advances in use of atomic layer deposition and focused ion beams for fabrication of Fresnel zone plates for hard x-rays

Kahraman Keskinbora, Anna-Lena Robisch, Marcel Mayer, Corinne Grévent, Adriana Szeghalmi, Mato Knez, Markus Weigand, Irina Snigireva, Anatoly Snigirev, Tim Salditt, Gisela Schütz

Proceedings Volume 8851, 885119 (2013) https://doi.org/10.1117/12.2027251

KEYWORDS: Hard x-rays, Atomic layer deposition, Ion beams, Zone plates, Electron beam lithography, X-rays, X-ray microscopy, Fabrication, X-ray optics, Microscopy

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Showing 5 of 7 publications

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