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Generation of 3.5 W of diffraction-limited green light from SHG of a single tapered diode laser in a cascade of nonlinear crystals
/en/research/publications/generation-of-35-w-of-diffraction-limited-green-light-from-shg-of-a-single-tapered-diode-laser-in-a-cascade-of-nonlinear-crystals
Many applications, e.g., within biomedicine stand to benefit greatly from the development of diode laser-based multi- Watt efficient compact green laser sources. The low power of existing diode…
Watt-level continuous-wave diode lasers at 1180 nm with InGaAs quantum wells
/en/research/publications/watt-level-continuous-wave-diode-lasers-at-1180-nm-with-ingaas-quantum-wells
High-power broad area lasers at 1180 nm were developed based on strained InGaAs quantum wells. The lasers feature a lifetime of more than 1200 h at 1 W and are believed to be a key component for the…
Narrow-Stripe Broad-Area Lasers With Distributed-Feedback Surface Gratings as Brilliant Sources for High Power Spectral Beam Combining Systems
/en/research/publications/narrow-stripe-broad-area-lasers-with-distributed-feedback-surface-gratings-as-brilliant-sources-for-high-power-spectral-beam-combining-systems
Laser systems based on spectral beam combining (SBC) of broad-area (BA) diode lasers are promising tools for material processing applications. However, the system brightness is limited by the…
Study of Waveguide Design for high-power 9xx nm Diode Lasers operating at 200K
/en/research/publications/study-of-waveguide-design-for-high-power-9xx-nm-diode-lasers-operating-at-200k
Currently, a new generation of ultra-high-energy laser systems (ELI, HILASE) is in development that requires huge amounts of pump power. Their diode laser pump sources should be low cost ($/W) and…
Simple design for fiber coupled 9xx nm kW- QCW pump module with high duty cycle based on customized chips and lateral heat removal
/en/research/publications/simple-design-for-fiber-coupled-9xx-nm-kw-qcw-pump-module-with-high-duty-cycle-based-on-customized-chips-and-lateral-heat-removal
High power 9xxnm QCW- pump modules are very interesting for high- and ultra-high-energy laser systems. Main relevant issues beside price and power conversion efficiency are long term stability of the…
Characterization of diode-laser stacks for High-Energy-Class Solid-State Lasers
/en/research/publications/characterization-of-diode-laser-stacks-for-high-energy-class-solid-state-lasers
In this work, we present a comparative study of high power diode stacks produced by world's leading manufacturers such as DILAS, Jenoptik, and Quantel. The diode-laser stacks are characterized by…
Coupling of DBR tapered diode laser radiation into a single-mode-fiber at high powers
/en/research/publications/coupling-of-dbr-tapered-diode-laser-radiation-into-a-single-mode-fiber-at-high-powers
In this work, we investigate experimentally coupling of diode laser radiation into a single-mode-fiber (SMF) at high optical power. In particular, nearly diffraction-limited, single-frequency…
Shifted excitation Raman difference spectroscopy using a dual-wavelength DBR diode laser at 671 nm
/en/research/publications/shifted-excitation-raman-difference-spectroscopy-using-a-dual-wavelength-dbr-diode-laser-at-671nbspnm
Shifted excitation Raman difference spectroscopy (SERDS) using a dual-wavelength laser diode laser as excitation light source at 671 nm is presented. This device has a size of…
Mode-locked semiconductor laser system with intracavity spatial light modulator for linear and nonlinear dispersion management
/en/research/publications/mode-locked-semiconductor-laser-system-with-intracavity-spatial-light-modulator-for-linear-and-nonlinear-dispersion-management
We analyze the influence of second and third order intracavity dispersion on a passively mode-locked diode laser by introducing a spatial light modulator (SLM) into the external cavity. The…
Red emitting monolithic dual wavelength DBR diode lasers for shifted excitation Raman difference spectroscopy
/en/research/publications/red-emitting-monolithic-dual-wavelength-dbr-diode-lasers-for-shifted-excitation-raman-difference-spectroscopy
Raman lines are often obscured by background light or fluorescence especially when investigating biological samples or samples containing impurities. Shifted excitation Raman difference spectroscopy…