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600 mW optical output power at 488 nm by use of a high-power hybrid laser diode system and a periodically poled MgO:LiNbO3 bulk crystal
/forschung/publikationen/600nbspmw-optical-output-power-at-488nbspnm-by-use-of-a-high-power-hybrid-laser-diode-system-and-a-periodically-poled-mgolinbo3
600 mW second-harmonic blue light at 488 nm has been generated by use of a master-oscillator power amplifier diode laser system as a pump source with a maximum optical output power of…
Amplified-Spontaneous-Emission Spectrum of the Radiation Field in Surface-Emitting DFB Lasers
/forschung/publikationen/amplified-spontaneous-emission-spectrum-of-the-radiation-field-in-surface-emitting-dfb-lasers
In this paper, the authors calculate the amplified-spontaneous- emission spectrum of the radiation field in surface-emitting distributed feedback (DFB) lasers. The response of the laser cavity to the…
High-power 808-nm tapered diode lasers with nearly diffraction-limited beam quality of M2 = 1.9 at P = 4.4 W
/forschung/publikationen/high-power-808-nm-tapered-diode-lasers-with-nearly-diffraction-limited-beam-quality-of-m2nbspnbsp19-at-pnbspnbsp44nbspw
High-power 808-nm tapered diode lasers mounted as single emitters with very good brightness were manufactured and analyzed. The beam propagation ratio M2 is 1.9 at 4.4 W; a very low beam…
7.4 W continuous-wave output power of master oscillator power amplifier system at 1083 nm
/forschung/publikationen/74nbspw-continuous-wave-output-power-of-master-oscillator-power-amplifier-system-at-1083nbspnm
A 1083 nm hybrid master oscillator power amplifier system consisting of a DBR laser and a tapered amplifier has been realised. A maximum output power of 7.4 W in single-longitudinal mode…
Reger Austausch – Laser-Community traf sich zur ISLC2021
/media-center/presseinformationen/laser-community-traf-sich-zur-islc2021
Mehr als 100 internationale Wissenschaftlerinnen und Wissenschaftler zog es auf die fünftägige International Semiconductor Laser Conference (ISLC) nach Potsdam. Etwa die gleiche Anzahl von…
High power single mode 980 nm DBR tapered diode lasers with integrated sixth order surface gratings based on simplified fabrication process
/forschung/publikationen/high-power-single-mode-980-nm-dbr-tapered-diode-lasers-with-integrated-sixth-order-surface-gratings-based-on-simplified-fabrication-process
High power single mode 980 nm DBR tapered diode lasers with integrated sixth order surface gratings based on simplified fabrication process K. Paschke , J. Behrendt, M. Maiwald,…
High-efficient 650 nm laser bars with an output power of about 10 W and a wall-plug efficiency of 30%
/forschung/publikationen/high-efficient-650-nm-laser-bars-with-an-output-power-of-about-10-w-and-a-wall-plug-efficiency-of-30
High-efficient 650 nm laser bars with an output power of about 10 W and a wall-plug efficiency of 30% B. Sumpf, M. Zorn, R. Staske, J. Fricke, P. Ressel, G. Erbert,…
Finite Difference Formulation Accounting for Field Singularities
/forschung/publikationen/finite-difference-formulation-accounting-for-field-singularities
Correction factors are introduced into the finite-difference formulas which diminish the discretization error for the grid cells adjacent to field singularities. The correction factors are calculated…
Diodenlaser hoher Brillanz
/forschung/photonik/chips-laser-leds/diodenlaser-hoher-brillanz
Wir entwickeln Diodenlaser mit hoher spektraler Strahldichte, die hohe Ausgangsleistungen bis 10 W mit einer guten Strahlqualität bei zugleich hoher Effizienz und Zuverlässigkeit liefern.…
Rugged GaN low-noise amplifier MMIC with a compact stacked first stage – suited for receiver designs for extreme conditions
/forschung/forschungsnews/rugged-gan-low-noise-amplifier-mmic-with-a-compact-stacked-first-stage-suited-for-receiver-designs-for-extreme-conditions
The improved circuit design demonstrates competitive noise figures and offers a compact layout, reducing the requirement for additional chip area.