Mr. Martin F. Schumann Profile

Martin F. Schumann

at Karlsruher Institut für Technologie

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Publications (2)

Proceedings Article | 21 September 2017 Presentation

Cloaking of contact fingers on solar cells and OLEDs using free-form surfaces designed by coordinate transformations (Conference Presentation)

Martin Schumann, Malte Langenhorst, Michael Smeets, Kaining Ding, Ulrich Paetzold, Benjamin Fritz, Ralph Eckstein, Guillaume Gomard, Martin Wegener

Proceedings Volume 10343, 1034314 (2017) https://doi.org/10.1117/12.2272911

KEYWORDS: Solar cells, Light emitting diodes, Organic light emitting diodes, Freeform optics, Silicon solar cells, Dielectrics, 3D modeling, Reflectivity, Lithography, Prototyping

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Proceedings Article | 27 February 2017 Presentation + Paper

Vortex-MEMS filters for wavelength-selective orbital-angular-momentum beam generation

Sujoy Paul, Vladimir Lyubopytov, Martin Schumann, Julijan Cesar, Mohammadreza Malekizandi, Mohammad Haidar, Alexei Porfirev, Stanislav Gurbatov, Martin Wegener, Arkadi Chipouline, Franko Küppers

Proceedings Volume 10120, 101200G (2017) https://doi.org/10.1117/12.2252494

KEYWORDS: Spiral phase plates, Microelectromechanical systems, Fabry–Perot interferometers, Optical vortices, Free space, Telecommunications, Wavefronts, Fiber optic communications, Optical components, Transmittance, Optical filters, Multiplexing, Wavelength division multiplexing, Beam splitters, Forward error correction, Fringe analysis, Signal detection

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