Journal ArticleDOI
Frequency down-conversion of solid-state laser sources to the mid-infrared spectral range using non-oxide nonlinear crystals
TLDR
In this article, the development of parametric devices down-converting the laser frequency to the mid-infrared (3-30 µm) based on non-oxide nonlinear optical crystals is reviewed.About:
This article is published in Progress in Quantum Electronics.The article was published on 2015-07-01. It has received 335 citations till now. The article focuses on the topics: Optical parametric amplifier & Cross-polarized wave generation.read more
Citations
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Proceedings ArticleDOI
132 W, 1.3 mJ, sub-two-cycle pulses at 1.8 μm wavelength
Ziyao Wang,Tobias Heuermann,Martin Gebhardt,M. Lenski,Philipp Gierschke,Robert Klas,Cesar Jauregui,Jens Limpert +7 more
TL;DR: In this article , the authors presented the first results of nonlinear post compression of a high-power ultrafast thulium-doped fiber laser output in a 1.05 m long rod-type hollow-core fiber filled with 3 bar argon.
Proceedings ArticleDOI
Watt-class optical parametric amplification driven by a thulium-doped fiber laser in the molecular fingerprint region
Tobias Heuermann,Tobias Heuermann,Martin Gebhardt,Martin Gebhardt,Ziyao Wang,Christian Gaida,Frédéric Maes,Cesar Jauregui,Jens Limpert,Jens Limpert +9 more
TL;DR: In this paper, the authors presented a high-power single-stage optical parametric amplifier driven by a 2 μm wavelength, thulium-doped fiber chirped pulse amplifier.
Proceedings ArticleDOI
188 W average power coherently combined Tm-doped fiber laser system delivering ultrashort pulses with 1.86 mJ energy
Tobias Heuermann,Ziyao Wang,M. Lenski,Martin Gebhardt,Christian Gaida,M.R. Abdelaal,Joachim Buldt,Michael Müller,Arno Klenke,Jens Limpert +9 more
TL;DR: In this paper , a coherent combination of four Tm-doped rod-type fiber amplifiers was used to achieve an average output power of 188 W and a pulse energy of 1.86 mJ at 100.86 kHz repetition rate.
Proceedings ArticleDOI
High-power ultrafast Tm-doped fiber lasers for the generation of mid-infrared radiation in the molecular fingerprint region
Tobias Heuermann,Tobias Heuermann,Martin Gebhardt,Martin Gebhardt,Christian Gaida,Ioachim Pupeza,Jens Limpert,Jens Limpert +7 more
TL;DR: In this article, the authors presented an experiment based on intra pulse difference frequency generation (IPDFG) in GaSe driven by an ultrafast Tm-doped chirped pulse amplifier.
Journal ArticleDOI
Hardness and Young's modulus of BaGa4S7 and BaGa4Se7 nonlinear optical crystals
TL;DR: In this paper , hardness and Young's modulus measurements of two recently developed non-chalcopyrite, non-centrosymmetric crystals, BaGa4S7 and BaGa 4Se7, which seem very promising for three-wave parametric interactions in the mid-IR part of the spectrum between 5 and 18 μm.
References
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Nonlinear optics
TL;DR: In this method, non-linear susceptibility tensors are introduced which relate the induced dipole moment to a power series expansion in field strengths and the various experimental observations are described and interpreted in terms of this formalism.
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Interactions between light waves in a nonlinear dielectric
TL;DR: In this paper, the induced nonlinear electric dipole and higher moments in an atomic system, irradiated simultaneously by two or three light waves, are calculated by quantum-mechanical perturbation theory.
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Generation of Optical Harmonics
Journal Article
Generation of optical harmonics
Journal ArticleDOI
Quasi-phase-matched second harmonic generation: tuning and tolerances
TL;DR: The theory of quasi-phase-matched second-harmonic generation in both the space domain and the wave vector mismatch domain is presented in this paper, where various types of errors in the periodicity of these structures are analyzed to find their effects on the conversion efficiency and on the shape of the tuning curve.