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Simple design for fiber coupled 9xx nm kW- QCW pump module with high duty cycle based on customized chips and lateral heat removal
/forschung/publikationen/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
/forschung/publikationen/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
/forschung/publikationen/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
/forschung/publikationen/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
/forschung/publikationen/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
/forschung/publikationen/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…
Properties of 62x nm red-emitting single mode diode lasers
/forschung/publikationen/properties-of-62x-nm-red-emitting-single-mode-diode-lasers
Single-mode lasers in the spectral region between 620 nm and 630 nm are still realized using complex laser systems, such as ring-dye laser or using non-linear frequency shifted lasers, when…
Femtosecond semiconductor laser system with arbitrary intracavity phase and amplitude manipulation
/forschung/publikationen/femtosecond-semiconductor-laser-system-with-arbitrary-intracavity-phase-and-amplitude-manipulation
In this work we present a laser cavity with a spatial light modulator (SLM), which allows for arbitrary phase and amplitude manipulation. In comparison to previous setups, it allows the manipulation…
Second harmonic pico-second pulse generation with mode-locked 1064nm DBR laser diodes
/forschung/publikationen/second-harmonic-pico-second-pulse-generation-with-mode-locked-1064nm-dbr-laser-diodes
Detailed experimental investigations of the generation of high-energy short infrared and green pulses with a mode-locked multi-section distributed Bragg reflector (DBR) laser in dependence on the…
Cryogenic ultra-high power infra-red diode laser bars
/forschung/publikationen/cryogenic-ultra-high-power-infra-red-diode-laser-bars
GaAs-based high power diode lasers are the most efficient source of optical energy, and are in wide use in industrial applications, either directly or as pump sources for other laser media. Increased…