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Joachim Hein

Researcher at University of Jena

Publications -  148
Citations -  2715

Joachim Hein is an academic researcher from University of Jena. The author has contributed to research in topics: Laser & Amplifier. The author has an hindex of 26, co-authored 148 publications receiving 2252 citations. Previous affiliations of Joachim Hein include Helmholtz Institute Jena & Schiller International University.

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Terawatt diode-pumped Yb:CaF2 laser

TL;DR: What is believed to be the first terawatt diode-pumped laser employing single-crystalline Yb:CaF(2) as the amplifying medium was presented, and nanosecond pulses containing an energy of up to 905 mJ were generated without optical damage.
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Measurement of temperature-dependent absorption and emission spectra of Yb:YAG, Yb:LuAG, and Yb:CaF_2 between 20 °C and 200 °C and predictions on their influence on laser performance

TL;DR: In this paper, the emission and absorption cross sections of Yb:YAG, LuAG, and CaF2 were measured using a setup optimized to reduce the effect of radiation trapping.
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100-fs diode-pumped Yb:KGW mode-locked laser

TL;DR: In this paper, a mode-locked diode-pumped Yb:KGW laser was developed to generate 100-fs pulses with an output power of 126 mW and the corresponding optical spectrum has a 13.4-nm FWHM bandwidth and is centered at 1037.4 nm.
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Basic Concepts and Current Status of the Petawatt Field Synthesizer -A New Approach to Ultrahigh Field Generation

TL;DR: The Petawatt-Field-Synthesizer (PFS) project at the Max-Planck-Institut für Quantenoptik (Garching) aims at combining few-cycle pulse durations with petawatt scale peak powers by using short pulses (on the few-ps scale) for both seeding and pumping an OPCPA chain this article.