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
Current-induced degradation and lifetime prediction of 310 nm ultraviolet light-emitting diodes
/forschung/publikationen/current-induced-degradation-and-lifetime-prediction-of-310-nm-ultraviolet-light-emitting-diodes
The impact of operation current on the degradation behavior of 310 nm UV LEDs is investigated over 1000 h of stress. It ranges from 50 to 300 mA and corresponds to current densities…
A High-Sensitivity AlGaN/GaN HEMT Terahertz Detector With Integrated Broadband Bow-Tie Antenna
/forschung/publikationen/a-high-sensitivity-algangan-hemt-terahertz-detector-with-integrated-broadband-bow-tie-antenna
Many emerging applications in the terahertz (THz)frequency range demand highly sensitive, broadband detectors for room-temperature operation. Field-effect transistors with integrated antennas for THz…
Compact and robust diode laser system technology for dual-species ultracold atom experiments with rubidium and potassium in microgravity
/forschung/publikationen/compact-and-robust-diode-laser-system-technology-for-dual-species-ultracold-atom-experiments-with-rubidium-and-potassium-in-microgravity
We present a compact and robust distributed-feedback diode laser system architecture for ultracold atom experiments with 41K and 87Rb in a mobile setup operating at the ZARM drop tower in Bremen. Our…
Iodine Frequency Reference on a Sounding Rocket
/forschung/publikationen/iodine-frequency-reference-on-a-sounding-rocket
We build a self-contained optical absolute frequency reference at 1064 nm based on the rovibronic transition R(56)32-0 in molecular iodine and operate this instrument in space on a sounding…
Integrated Atomic Quantum Technologies in Demanding Environments: Development and Qualification of Miniaturized Optical Setups and Integration Technologies for UHV and Space Operation
/forschung/publikationen/integrated-atomic-quantum-technologies-in-demanding-environments-development-and-qualification-of-miniaturized-optical-setups-and-integration-technologies-for-uhv-and-space-operation-1
Employing compact quantum sensors in field or in space (e.g., small satellites) implies demanding requirements on components and integration technologies. Within our work on integrated sensors, we…
Semiconductor laser modules for precision spectroscopy applications in space
/forschung/publikationen/semiconductor-laser-modules-for-precision-spectroscopy-applications-in-space
The Ferdinand-Braun-Institute has been developing high-power, narrow-linewidth semiconductor lasers for precision spectroscopy applications in harsh environments for more than ten years. Starting…
A New Laser Technology for LISA
/forschung/publikationen/a-new-laser-technology-for-lisa
Within the European Space Agency (ESA) activity "Gravitational Wave Observatory Metrology Laser" we designed a laser head to fulfill the LISA laser requirements using a non-NPRO seed laser…
High-Current Stress of UV-B (In)AlGaN-Based LEDs: Defect-Generation and Diffusion Processes
/forschung/publikationen/high-current-stress-of-uv-b-inalgan-based-leds-defect-generation-and-diffusion-processes
The aim of this paper is to investigate the degradation mechanisms of UV-B AlGaN-based light-emitting diodes (LEDs) submitted to constant current stress beyond the typical application conditions. We…
Lateral 1.8 kV β-Ga2O3 MOSFET With 155 MW/cm2 Power Figure of Merit
/forschung/publikationen/lateral-18-kv-beta-ga2o3-mosfet-with-155-mwcm2-power-figure-of-merit
Lateral β-Ga2O3 MOSFET for power switching applications with a 1.8 kV breakdown voltage and a record power figure of merit of 155 MW/cm2 are demonstrated. Sub-µm gate length…
Novel High-Power, High Repetition Rate Laser Diode Pump Modules Suitable for High-Energy Class Laser Facilities
/forschung/publikationen/novel-high-power-high-repetition-rate-laser-diode-pump-modules-suitable-for-high-energy-class-laser-facilities
The latest generation of high-energy-class pulsed laser facilities, under construction or planned, such as EuPRAXIA, require reliable pump sources with high power (many kW), brightness…