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Monolithic high brightness diode lasers results and developments at FBH
/forschung/publikationen/monolithic-high-brightness-diode-lasers-results-and-developments-at-fbh
Brightness is one of the most important criteria for diode laser applications beside reliability and efficiency. In this paper results were given for different approaches of high power nearly…
Degradation Analysis of 808 nm GaAsP Laser Diodes
/forschung/publikationen/degradation-analysis-of-808-nm-gaasp-laser-diodes
Degradation data from accelerated life test of 808 nm strained GaAsP quantum well lasers are analyzed. The Eyring model and the statistical model of non-linear mixed effects are applied to estimate…
Five-hundred-milliwatts distributed-feedback diode laser emitting at 940nm
/forschung/publikationen/five-hundred-milliwatts-distributed-feedback-diode-laser-emitting-at-940nm
A DFB laser emitting at a wavelength around 940nm in a single longitudinal mode up to an output power of 500mW with a side mode suppression ratio greater than 50 dB is presented. More than…
High Yield Transferred Substrate InP DHBT
/forschung/publikationen/high-yield-transferred-substrate-inp-dhbt
A transferred substrate InP DHBT of 0.8 µm emitter width was developed. The transistors featured high yield and homogeneous device characteristics over the three inch wafer, with an…
Mode Control for High Performance Laser Diode Sources
/forschung/publikationen/mode-control-for-high-performance-laser-diode-sources
We report on recent progress in the control of optical modes toward the improvement of commercial high-performance diode laser modules. Control of the transverse mode has allowed scaling of the…
Master oscillator power amplifier 3D assemblies based on grating coupled laser diodes
/forschung/publikationen/master-oscillator-power-amplifier-3d-assemblies-based-on-grating-coupled-laser-diodes
We report on novel architectures of the hybrid master oscillator power amplifier (MOPA) assemblies incorporating vertically stacked surface-emitting laser diodes. Optical coupling between the MO and…
Diode pumping of Nd:ASL and its frequency doubling for blue emission around 450 nm
/forschung/publikationen/diode-pumping-of-ndasl-and-its-frequency-doubling-for-blue-emission-around-450-nm
We present the diode pumping of a Nd-doped strontium and lanthanum (Nd:ASL) crystal Sr1-xLax-yNdyMgxAl12-xO19 (0.05 <= x <= 0.5; y = 0.05) for second harmonic generation around 450 nm. In…
Rayleigh length dependent SHG conversion at 488nm using a monolithic DBR tapered diode laser
/forschung/publikationen/rayleigh-length-dependent-shg-conversion-at-488nm-using-a-monolithic-dbr-tapered-diode-laser
We present a study of the single pass SHG conversion as a function of the Rayleigh length (RL) and beam diameter (BD) using a monolithic distributed Bragg reflector (DBR) tapered laser. The DBR…
Stable and compact mounting scheme for > 1kW QCW diode laser stacks at 940nm
/forschung/publikationen/stable-and-compact-mounting-scheme-for-gt-1kw-qcw-diode-laser-stacks-at-940nm
For the pumping of solid state lasers with high peak power pulses up to the TW range QCW diode laser stacks with pulse lengths between 200µs and 2ms are used. To realize long-term stable pump…
650 nm tapered lasers with 1 W maximum output power and nearly diffraction limited beam quality at 500 mW
/forschung/publikationen/650nbspnm-tapered-lasers-with-1nbspw-maximum-output-power-and-nearly-diffraction-limited-beam-quality-at-500nbspmw
High-brightness 650 nm tapered lasers with output powers up to 1 W and nearly diffraction limited beam quality at 500 mW were realized. The vertical structure is based on an InGaP single…