Dr. Christian Kränkel Profile

Dr. Christian Kränkel

Head of Ctr for Laser Materials at Leibniz-Institut für Kristallzüchtung

SPIE Involvement:

Author

Publications (6)

Proceedings Article | 15 March 2023 Paper

Ytterbium-doped KY3F10 as a promising material for optical cryocoolers

Stefan Püschel, Christian Kränkel, Hiroki Tanaka

Proceedings Volume 12437, 1243706 (2023) https://doi.org/10.1117/12.2655479

KEYWORDS: Crystals, Fluorescence, Absorption, Ytterbium, Spectroscopy, Laser spectroscopy, Cryocoolers, External quantum efficiency, Ions

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Proceedings Article | 9 March 2022 Presentation

Growth of highly pure fluoride crystals for laser cooling

Hiroki Tanaka, Stefan Püschel, Felix Mauerhoff, Sascha Kalusniak, Christian Kränkel

Proceedings Volume PC12018, PC1201801 (2022) https://doi.org/10.1117/12.2611505

KEYWORDS: Laser crystals, Crystals, Ytterbium, Spectroscopy, Solid state lasers, Luminescence, Ions

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Proceedings Article | 5 March 2021 Presentation

UV-pumping and passive Q-switching of visible Tb:LiLuF4 lasers

Hiroki Tanaka, Sascha Kalusniak, Elena Castellano-Hernández, Christian Kränkel

Proceedings Volume 11664, 116640G (2021) https://doi.org/10.1117/12.2581807

KEYWORDS: Absorption, Q switches, Visible radiation, Ultraviolet radiation, Terbium, Laser crystals, Spinel, Spectroscopy, Sapphire lasers

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Proceedings Article | 16 February 2017 Presentation + Paper

Spectroscopy of erbium-doped potassium double tungstate waveguides

Sergio Vázquez-Córdova, Shanmugam Aravazhi, Christos Grivas, Alexander Heuer, Christian Kränkel, Yean-Sheng Yong, Sonia García-Blanco, Jennifer Herek, Markus Pollnau

Proceedings Volume 10106, 1010604 (2017) https://doi.org/10.1117/12.2252488

KEYWORDS: Erbium, Waveguides, Optical amplifiers, Instrument modeling, Energy transfer, Optical pumping, Crystals, Signal detection, Luminescence, Amplifiers, Spectroscopy, Lutetium

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Proceedings Article | 15 February 2012 Paper

SESAMs for high-power femtosecond modelocking: power scaling of an Yb:LuScO3 thin disk laser to 23 W and 235 fs

Clara Saraceno, Oliver Heckl, Cyrill R. Baer, Matthias Golling, Kolja Beil, Christian Kränkel, Klaus Petermann, Thomas Südmeyer, Günter Huber, Ursula Keller

Proceedings Volume 8235, 82350Z (2012) https://doi.org/10.1117/12.905979

KEYWORDS: Mode locking, Disk lasers, Femtosecond phenomena, Oscillators, Crystals, High power lasers, Continuous wave operation, Laser damage threshold, Semiconductor lasers, Laser crystals

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Proceedings Article | 16 February 2011 Paper

Yb-doped ultrafast thin disk lasers

T. Südmeyer, C. R. E. Baer, C. Kränkel, C. Saraceno, O. Heckl, M. Golling, R. Peters, K. Petermann, G. Huber, U. Keller

Proceedings Volume 7912, 79120L (2011) https://doi.org/10.1117/12.879178

KEYWORDS: Disk lasers, Oscillators, Ultrafast phenomena, Femtosecond phenomena, Mode locking, Pulsed laser operation, Materials processing, Continuous wave operation, Mirrors, Optical amplifiers

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