Suche
Regeln für die Suche
- Nur Wörter mit 2 oder mehr Zeichen werden akzeptiert
- Maximal 200 Zeichen insgesamt
- Leerzeichen werden zur Trennung von Worten verwendet, "" kann für die Suche nach ganzen Zeichenfolgen benutzt werden (keine Indexsuche)
- UND, ODER und NICHT sind Suchoperatoren, die den standardmäßigen Operator überschreiben. +/|/- entspricht UND, ODER und NICHT als Operatoren
- Alle Suchwörter werden zu Kleinschreibung konvertiert
Comparison of Ultraviolet B Light-Emitting Diodes with Single or Triple Quantum Wells
/forschung/publikationen/comparison-of-ultraviolet-b-light-emitting-diodes-with-single-or-triple-quantum-wells
Light-emitting diodes (LEDs) with an emission wavelength of 310 nm containing either a single or a triple quantum well are compared regarding their efficiency and long-term stability. In…
Spatially modulated broad-area lasers for narrow lateral far-field divergence
/forschung/publikationen/spatially-modulated-broad-area-lasers-for-narrow-lateral-far-field-divergence-1
A novel laser design is presented that combines a longitudinal-lateral gain-loss modulation with an additional phase tailoring achieved by etching rectangular trenches. At 100 A pulsed…
Quantification of Trace-Level Silicon Doping in AlxGa1-xN Films Using Wavelength-Dispersive X-Ray Microanalysis
/forschung/publikationen/quantification-of-trace-level-silicon-doping-in-alxga1-xn-films-using-wavelength-dispersive-x-ray-microanalysis-1
Wavelength-dispersive X-ray (WDX) spectroscopy was used to measure silicon atom concentrations in the range 35-100 ppm [corresponding to (3-9) × 1018 cm-3] in doped…
Light extraction efficiency and internal quantum efficiency of fully UVC-transparent AlGaN based LEDs
/forschung/publikationen/light-extraction-efficiency-and-internal-quantum-efficiency-of-fully-uvc-transparent-algan-based-leds
The light extraction efficiency (LEE), external quantum efficiency (EQE), and current-voltage characteristics of deep ultraviolet light emitting diodes (DUV-LEDs) with different aluminum mole…
Direct observation of resonant tunneling in heterostructure with a single quantum well
/forschung/publikationen/direct-observation-of-resonant-tunneling-in-heterostructure-with-a-single-quantum-well
A resonant-tunneling conductivity was experimentally registered in a doped heterostructure with a single quantum well using admittance spectroscopy. Earlier, this effect was only realized in…
A carbon-doping related luminescence band in GaN revealed by below bandgap excitation
/forschung/publikationen/a-carbon-doping-related-luminescence-band-in-gan-revealed-by-below-bandgap-excitation
Carbon doped GaN grown by hydride vapor phase epitaxy was investigated by photoluminescence and photoluminescence excitation spectroscopy covering a broad range of carbon concentrations. Above…
Toward the first D-band Point to multipoint wireless system field test
/forschung/publikationen/toward-the-first-d-band-point-to-multipoint-wireless-system-field-test
The European Commission Horizon 2020 ULTRAWAVE "Ultra capacity wireless layer beyond 100 GHz based on millimeter waves" is in the final stage of development. The first ever field test…
A Digital Correction Method for Increased Dynamic Range in Interferometric Six-Port Radars
/forschung/publikationen/a-digital-correction-method-for-increased-dynamic-range-in-interferometric-six-port-radars
In this letter, we demonstrate a digital correction method for extending the dynamic range of a six-port radar system based on detector diodes. An individual diode gain is considered to depend on…
Shifted excitation Raman difference spectroscopy as enabling technique for the analysis of animal feedstuff
/forschung/publikationen/shifted-excitation-raman-difference-spectroscopy-as-enabling-technique-for-the-analysis-of-animal-feedstuff
To achieve the best performance and health in farm animals, high-quality pellets should be applied for feeding. Raw materials used for pellet production can have a significant influence on the…
Modelling of a miniature microwave driven nitrogen plasma jet and comparison to measurements
/forschung/publikationen/modelling-of-a-miniature-microwave-driven-nitrogen-plasma-jet-and-comparison-to-measurements
The MMWICP (miniature microwave ICP) is a new plasma source using the induction principle. Recently Klute et al presented a mathematical model for the electromagnetic fields and power balance of the…