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Efficient generation of 3.5 W laser light at 515 nm by frequency doubling a single-frequency high power DBR tapered diode laser
/en/research/publications/efficient-generation-of-35-w-laser-light-at-515-nm-by-frequency-doubling-a-single-frequency-high-power-dbr-tapered-diode-laser
More than 3.5 W of green light at 515 nm is generated by frequency doubling a single-frequency high power DBR tapered diode laser. The frequency doubling is performed in a cascade of PPMgLN…
The effects of magnesium doping on the modal loss in AlGaN-based deep UV lasers
/en/research/publications/the-effects-of-magnesium-doping-on-the-modal-loss-in-algan-based-deep-uv-lasers
Absorption losses in the Mg-doped layers significantly contribute to the modal losses in group-III-nitride-based lasers. In this paper, we investigate the influence of Mg-doping on the modal…
Analysis of doping concentration and composition in wide bandgap AlGaN:Si by wavelength dispersive x-ray spectroscopy
/en/research/publications/analysis-of-doping-concentration-and-composition-in-wide-bandgap-algansi-by-wavelength-dispersive-x-ray-spectroscopy
Detailed knowledge of the dopant concentration and composition of wide band gap AlxGa1-xN layers is of crucial importance for the fabrication of ultra violet light emitting diodes. This paper…
In-situ shifted excitation Raman difference spectroscopy: development and demonstration of a portable sensor system at 785 nm
/en/research/publications/in-situ-shifted-excitation-raman-difference-spectroscopy-development-and-demonstration-of-a-portable-sensor-system-at-785-nm
In-situ shifted excitation Raman difference spectroscopy (SERDS) experiments are presented using a portable sensor system. Key elements of this system are an in-house developed handheld probe with an…
Compact single-mode diode laser in the visible spectral range
/en/research/publications/compact-single-mode-diode-laser-in-the-visible-spectral-range
This work reports on a compact single-mode diode laser emitting at 633 nm based on an AlGaAs/AlGaInP structure with an integrated DBR surface grating. The micro-fabricated diode laser package…
Assessment of factors regulating the thermal lens profile and lateral brightness in high power diode lasers
/en/research/publications/assessment-of-factors-regulating-the-thermal-lens-profile-and-lateral-brightness-in-high-power-diode-lasers
The lateral beam parameter product, BPPlat, and resulting lateral brightness of GaAs-based high-power broad-area diode lasers is strongly influenced by the thermal lens profile. We present latest…
Compact diode laser module at 1116 nm with an integrated optical isolation and a PM-SMF output
/en/research/publications/compact-diode-laser-module-at-1116-nm-with-an-integrated-optical-isolation-and-a-pm-smf-output
In this work, a fiber-coupled diode laser module emitting around 1116 nm with an output power P < 60 mW is realized. As a laser light source a distributed Bragg reflector (DBR)…
Narrow linewidth diode laser modules for quantum optical sensor applications in the field and in space
/en/research/publications/narrow-linewidth-diode-laser-modules-for-quantum-optical-sensor-applications-in-the-field-and-in-space
We present the status of our efforts to develop very compact and robust diode laser modules specifically suited for quantum optics experiments in the field and in space. The paper describes why…
kW-class Diode Laser Bars
/en/research/publications/kw-class-diode-laser-bars
Progress will be presented on ongoing research into the development of ultra-high power and efficiency bars achieving significantly higher output power, conversion efficiency and brightness than…
Progress in joule-class diode laser bars and high brightness modules for application in long-pulse pumping of solid state amplifiers
/en/research/publications/progress-in-joule-class-diode-laser-bars-and-high-brightness-modules-for-application-in-long-pulse-pumping-of-solid-state-amplifiers
Progress in the development of highly brilliant pump modules based on novel high-energy-class diode laser bars is presented, targeting long-pulse (2 ms) application in pumping Yb:CaF2 amplifier…