Ms. Wiebke Freese Profile

Wiebke Freese

PhD Student at Friedrich Schiller Univ

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Publications (3)

Proceedings Article | 14 February 2011 Paper

Design and fabrication of a highly off-axis binary multi-phase-level computer-generated hologram based on an effective medium approach

Wiebke Freese, Thomas Kämpfe, Ernst-Bernhard Kley, Andreas Tünnermann

Proceedings Volume 7927, 792710 (2011) https://doi.org/10.1117/12.875007

KEYWORDS: Computer generated holography, Diffraction, Binary data, Etching, Silica, Calibration, Optical design, Diffraction gratings, Reactive ion etching, Optical components

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Proceedings Article | 16 February 2010 Paper

Multi-phase-level diffractive elements realized by binary effective medium patterns

Wiebke Freese, Thomas Kämpfe, Ernst-Bernhard Kley, Andreas Tünnermann

Proceedings Volume 7591, 75910Z (2010) https://doi.org/10.1117/12.843526

KEYWORDS: Computer generated holography, Binary data, Diffraction, Optical components, Quantization, Chromium, Beam shaping, Electron beams, Lithography, Reflectivity

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Proceedings Article | 9 February 2009 Paper

Multi-channel detection of ultrashort THz-pulses based on photoconductive antennas

Wiebke Freese, Boris Pradarutti, Stefan Riehemann, Hans-Christoph Eckstein, Gunther Notni, Stefan Nolte, Andreas Tünnermann

Proceedings Volume 7215, 721505 (2009) https://doi.org/10.1117/12.810245

KEYWORDS: Terahertz radiation, Antennas, Sensors, Mirrors, Optical testing, Metals, Optical simulations, Wave propagation, Detector arrays, Spatial resolution

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