Mr. Hanjo Schaefer Profile

Hanjo Schaefer

at SpaceTech GmbH

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Author

Publications (2)

Proceedings Article | 12 July 2023 Open Access

Development and test of a broadband absolute frequency reference with sub-MHz precision based on a GHz mode locked laser source

Hanjo Schaefer, Dirk Heinecke, Lukas Nagy, David Fehrenbacher, Florian Emaury, Benjamin Rudin, Jean-Baptiste Dherbecourt, Myriam Raybaut

Proceedings Volume 12777, 127774P (2023) https://doi.org/10.1117/12.2690881

KEYWORDS: Laser frequency, Design and modelling, Equipment, Pulse signals, LIDAR, Tunable filters, Laser stabilization, Astronomical imaging, Heterodyning, Signal detection

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Proceedings Article | 28 October 2022 Presentation

Versatile laser transmitter for an airborne CO2 and water vapor DIAL based on a parametric laser setup

Michael Strotkamp, Jonas Hamperl, Jan Fabian Geus, Kjell Mølster, Andrius Zukauskas, Jean-Baptiste Dherbecourt, Valdas Pasiskevicius, Lukas Nagy, Oliver Pitz, David Fehrenbacher, Hanjo Schaefer, Dirk Heinecke, Stephan Rapp, Lennart Domdei, Nobert Graf, Paul Denk, Marine Dalin, Vincent Lebat, Rosa Santagata, Jean-Michel Melkonian, Antoine Godard, Myriam Raybaut, Cyrille Flamant

Proceedings Volume PC12265, PC1226507 (2022) https://doi.org/10.1117/12.2636197

KEYWORDS: Carbon dioxide lasers, Airborne laser technology, Transmitters, Carbon dioxide, Optical parametric oscillators, Optical amplifiers, LIDAR, Pulsed laser operation, Oscillators, Nonlinear optics

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