K
K.J. Weingarten
Researcher at ETH Zurich
Publications - 55
Citations - 3047
K.J. Weingarten is an academic researcher from ETH Zurich. The author has contributed to research in topics: Laser & Semiconductor laser theory. The author has an hindex of 20, co-authored 55 publications receiving 2828 citations.
Papers
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Journal ArticleDOI
Semiconductor saturable absorber mirrors (SESAM's) for femtosecond to nanosecond pulse generation in solid-state lasers
Ursula Keller,K.J. Weingarten,Franz X. Kärtner,D. Kopf,B. Braun,I.D. Jung,R. Fluck,C. Honninger,Nicolai Matuschek,J. Aus der Au +9 more
TL;DR: In this paper, the design requirements of SESAM's for stable pulse generation in both the mode-locked and Q-switched regime were reviewed, and the combination of device structure and material parameters provided sufficient design freedom to choose key parameters such as recovery time, saturation intensity, and saturation fluence.
Journal ArticleDOI
Semiconductor saturable absorber mirror structures with low saturation fluence
G.J. Spuhler,K.J. Weingarten,Rachel Grange,L. Krainer,Markus Haiml,V. Liverini,Matthias Golling,Silke Schön,Ursula Keller +8 more
TL;DR: In this article, the authors presented two novel semiconductor saturable absorber mirror (SESAM) designs which can exhibit more than ten times lower saturation fluence than classical SESAM devices.
Journal ArticleDOI
Passively mode-locked high-power Nd:YAG lasers with multiple laser heads
TL;DR: In this article, the authors compared two different approaches for the cavity design, both using three side-pumped Nd:YAG laser heads, and obtained a record-high average output power of up to 27 W with close to diffraction-limited beam quality.
Journal ArticleDOI
Diode-pumped mode-locked Nd:glass lasers with an antiresonant Fabry–Perot saturable absorber
TL;DR: In this article, the authors demonstrate passively mode-locked diode-pumped Nd:glass lasers with different media such as silicate, phosphate, and fluorophosphate that are homogeneously or inhomogeneously broadened.
Journal ArticleDOI
Diode-pumped passively mode-locked 1.3-microm Nd:YVO(4) and Nd:YLF lasers by use of semiconductor saturable absorbers.
TL;DR: Self-starting passively mode-locked diode-pumped 1.3-microm lasers obtained by use of semiconductor saturable absorbers with average output powers of 50 and 130 mW, respectively are reported on.