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Imaging Threading Dislocations and Surface Steps in Nitride Thin Films Using Electron Backscatter Diffraction
/forschung/publikationen/imaging-threading-dislocations-and-surface-steps-in-nitride-thin-films-using-electron-backscatter-diffraction
Extended defects, like threading dislocations, are detrimental to the performance of optoelectronic devices. In the scanning electron microscope, dislocations are traditionally imaged using diodes to…
Roadmap for focused ion beam technologies
/forschung/publikationen/roadmap-for-focused-ion-beam-technologies
The focused ion beam (FIB) is a powerful tool for fabrication, modification, and characterization of materials down to the nanoscale. Starting with the gallium FIB, which was originally intended for…
GaAs-based wide-aperture single emitters with 68 W output power at 69% efficiency realized using a periodic buried-regrown-implant-structure
/forschung/publikationen/gaas-based-wide-aperture-single-emitters-with-68-w-output-power-at-69-efficiency-realized-using-a-periodic-buried-regrown-implant-structure
Increased optical output power Popt from single broad area GaAs-based diode lasers is demanded for material processing, with higher Popt and cost reduction in €/W enabled by using devices with…
UV-LED-Bestrahlungssysteme
/forschung/photonik/laser-uv-led-systeme/uv-led-bestrahlungssysteme
Gesamte Wertschöpfungskette im eigenen Haus epitaktische Abscheidung der Halbleiterheterostrukturen an verschiedenen MOVPE-Anlagen Chiptechnologie in der Prozesslinie des FBH-Reinraums …
Tunnel diode-based distributed feedback (DFB) broad-area diode lasers with excellent results for LiDAR applications
/forschung/forschungsnews/tunnel-diode-based-distributed-feedback-dfb-broad-area-diode-lasers-with-excellent-results-for-lidar-applications
For the first time, FBH has developed wavelength-stabilized DFB broad-area lasers with multiple epitaxially stacked active regions and tunnel junctions. They are designed for emission around…
Distributed feedback broad area lasers with multiple epitaxially stacked active regions and tunnel junctions
/forschung/publikationen/distributed-feedback-broad-area-lasers-with-multiple-epitaxially-stacked-active-regions-and-tunnel-junctions
Distributed feedback (DFB) broad area (BA) lasers with multiple epitaxially stacked active regions and tunnel junctions designed for emission around 900 nm are investigated. DFB BA lasers with a…
High power, internally wavelength stabilized diode lasers with epitaxially-stacked multiple active regions for LiDAR applications
/forschung/publikationen/high-power-internally-wavelength-stabilized-diode-lasers-with-epitaxially-stacked-multiple-active-regions-for-lidar-applications
Lasers generating nanosecond optical pulses are key components for light detection and ranging (LiDAR) systems employed in autonomous vehicles or used to measure atmospheric parameters. Although…
2 kW pulse power from internal wavelength stabilized diode laser bar for LiDAR applications
/forschung/publikationen/2-kw-pulse-power-from-internal-wavelength-stabilized-diode-laser-bar-for-lidar-applications-1
2 kW pulse power from internal wavelength stabilized diode laser bar for LiDAR applications H. Christopher, N. Ammouri, A. Maaßdorf, J. Fricke, A. Ginolas, J. Glaab,…
Wavelength-stabilized ns-pulsed 2.2 kW diode laser bar with multiple active regions and tunnel junctions
/forschung/publikationen/wavelength-stabilized-ns-pulsed-22-kw-diode-laser-bar-with-multiple-active-regions-and-tunnel-junctions
The improvement of the performance of a distributed Bragg reflector laser bar emitting near 905 nm through the use of multiple epitaxially stacked active regions and tunnel junctions is reported. The…
DPG-Frühjahrstagung in Freiburg
/termine/dpg-fruehjahrstagung-freiburg
Die DPG-Frühjahrstagung der Sektion Sektion Atome, Moleküle, Quantenoptik und Photonik findet auf dem Campus der Universität Freiburg statt. Das FBH ist mit verschiedenen Vorträgen beteiligt.