Mr. Alexander Wienke Profile

Alexander Wienke

at Laser Zentrum Hannover eV

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Author

Publications (3)

Proceedings Article | 16 August 2024 Presentation + Paper

Laser ablated subwavelength structure antireflection coating on an alumina lens

Shaul Hanany, Scott Cray, Jan Düsing, Calvin Firth, Jürgen Koch, Kuniaki Konishi, Rex Lam, Tomotake Matsumura, Haruyuki Sakurai, Yuki Sakurai, Aritoki Suzuki, Ryota Takaku, Qi Wen, Alexander Wienke, Andrew Yan

Proceedings Volume 13102, 131020E (2024) https://doi.org/10.1117/12.3019092

KEYWORDS: Lenses, Laser ablation, Antireflective coatings, Optical components, Transmittance

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Proceedings Article | 5 March 2021 Presentation + Paper

Influence on the optical performance of droplets and enclosures in printed polymer optical waveguides

Carsten Backhaus, Johannes Förner, Alexander Wienke, Gerd-Albert Hoffmann, Yannic Eiche, Lukas Lorenz, Stefan Kaierle, Ludger Overmeyer, Jörg Franke, Karlheinz Bock, Norbert Lindlein

Proceedings Volume 11680, 1168009 (2021) https://doi.org/10.1117/12.2577179

KEYWORDS: Waveguides, Polymers, Polymer multimode waveguides, Signal attenuation, Printing, Aerosols, Ray tracing, Mathematical modeling, Computer simulations

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Proceedings Article | 2 March 2020 Paper

Surface functionalization of flexographic printing forms using a femtosecond laser for adjustable material transfer in MID production processes

Alexander Wienke, Gerd-Albert Hoffmann, Jürgen Koch, Peter Jäschke, Ludger Overmeyer, Stefan Kaierle

Proceedings Volume 11267, 112670F (2020) https://doi.org/10.1117/12.2543544

KEYWORDS: Printing, Femtosecond phenomena, Waveguides, Laser scanners, Laser processing, Aerosols, Laser ablation, Data communications, Optics manufacturing

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