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400 µm stripe lasers for high-power fiber coupled pump modules
/forschung/publikationen/400-um-stripe-lasers-for-high-power-fiber-coupled-pump-modules
We present a 940 nm quasi-continuous wave semiconductor laser designed as a building block for high-power fiber coupled pump modules. The laser comprises a 400 µm narrow-stripe array…
Si Doping of GaN in Hydride Vapor-Phase Epitaxy
/forschung/publikationen/si-doping-of-gan-in-hydride-vapor-phase-epitaxy
Growth of GaN boules by hydride vapor-phase epitaxy (HVPE) is very attractive for fabrication of GaN substrates. Use of dichlorosilane as a source for Si doping of bulk GaN is investigated. It is…
Monolithic Y-branch dual wavelength DBR diode laser at 671 nm for Shifted Excitation Raman Difference Spectroscopy
/forschung/publikationen/monolithic-y-branch-dual-wavelength-dbr-diode-laser-at-671-nm-for-shifted-excitation-raman-difference-spectroscopy-1
In this work a monolithic Y-branch dual wavelength distributed Bragg reflector (DBR) diode laser with an emission at 671 nm for SERDS (shifted excitation Raman difference spectroscopy) is presented.…
Narrow linewidth, micro-integrated extended cavity diode laser for precision potassium atom interferometry in micro-gravity environment
/forschung/publikationen/narrow-linewidth-micro-integrated-extended-cavity-diode-laser-for-precision-potassium-atom-interferometry-in-micro-gravity-environment
Narrow linewidth, micro-integrated extended cavity diode laser for precision potassium atom interferometry in micro-gravity environment E. Luvsandamdin1, Ch. Kürbis1, A. Sahm1,…
Increasing the luminance of a red emitting laser light source by spectral beam combining
/forschung/publikationen/increasing-the-luminance-of-a-red-emitting-laser-light-source-by-spectral-beam-combining
Increasing the luminance of a red emitting laser light source by spectral beam combining G. Blume, D. Feise, A. Sahm, B. Eppich, K. Paschke Ferdinand-Braun-Institut,…
Investigation of design parameters of 633 nm diode lasers with internal surface gratings for narrow spectral linewidth
/forschung/publikationen/investigation-of-design-parameters-of-633-nm-diode-lasers-with-internal-surface-gratings-for-narrow-spectral-linewidth
Investigation of design parameters of 633 nm diode lasers with internal surface gratings for narrow spectral linewidth D. Feise1, G. Blume1, W. John1, J. Pohl1,…
Mode-Locked semiconductor laser with controllable intracavity dispersion and absorption
/forschung/publikationen/mode-locked-semiconductor-laser-with-controllable-intracavity-dispersion-and-absorption
In the scope of this work we will present the influence of intracavity absorption in interplay with intracavity dispersion. The goal is to get a deeper insight into the physical effects of…
Colliding Pulse Modelocked Lasers for Terahertz Photomixing
/forschung/publikationen/colliding-pulse-modelocked-lasers-for-terahertz-photomixing
THz time domain spectroscopy systems (TDS) have been finding their way into the market quite recently. Most of these systems use a laser source delivering ultra short laser pulses into a homodyne…
Efficiency optimization of high power diode lasers at low temperatures
/forschung/publikationen/efficiency-optimization-of-high-power-diode-lasers-at-low-temperatures
The authors present studies which assess the benefit of low temperature operation of long cavity (L = 4 mm) broad-area lasers with the goal of achieving both high powers and high efficiencies. To…
Influence of the length of the absorber section on the mode locking behaviour of a 1064nm DBR laser determined on a single device
/forschung/publikationen/influence-of-the-length-of-the-absorber-section-on-the-mode-locking-behaviour-of-a-1064nm-dbr-laser-determined-on-a-single-device
Easy-to-use and miniaturized laser systems emitting short infrared light pulses with high pulse energiesare more and more requested for applications in medicine, fluorescence spectroscopy, metrology,…