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Attosecond-Jitter Ambitions and Market Realities: From Lab Breakthroughs to Commercial Frontiers
/en/events/ottosecond-jitter-ambitions-and-market-realities-from-lab-breakthroughs-to-commercial-frontiers
Dr. Peter Hertenstein, QuSineDr. Meysam Bahmanian, Universität Paderborn
Laser emission at 253.7 nm using a LaBGeO5 and a Mg:LiTaO3 crystal seeded by a 761.1 nm diode laser module
/en/research/publications/laser-emission-at-2537-nm-using-a-labgeo5-and-a-mglitao3-crystal-seeded-by-a-7611-nm-diode-laser-module
This paper presents single frequency emission at 253.7 nm using a miniaturized diode laser module at 761.1 nm together with a Mg:LiTaO3 crystal and a LaBGeO5 crystal in a single-pass…
420 W pulse power from a 905 nm distributed bragg reflector laser with multiple active regions and tunnel junctions
/en/research/publications/420-w-pulse-power-from-a-905-nm-distributed-bragg-reflector-laser-with-multiple-active-regions-and-tunnel-junctions
We report a record-high pulse power of 420 W or a pulse energy of 4.2 μJ at a pulse current of 210 A, emitted by a single distributed Bragg reflector broad-area laser with 5 active…
Bodenanalytik in molekularer Auflösung
/en/media-center/media-review/bodenanalytik-in-molekularer-aufloesung
Damit in der Landwirtschaft Böden optimal bewirtschaftet werden können, sind präzise Informationen notwendig: zu Nährstoffen, pH-Werten und zahlreichen weiteren Parametern.
Dark energy search by atom interferometry in the Einstein-elevator
/en/research/publications/dark-energy-search-by-atom-interferometry-in-the-einstein-elevator
The DESIRE project aims to test chameleon field theories as potential candidates for dark energy. The chameleon field is a light scalar field that is subject to screening mechanisms in dense…
Palo Alto in Dahlem?: Berlin auf dem Weg zur Quantenmetropole
/en/media-center/media-review/palo-alto-in-dahlem-berlin-auf-dem-weg-zur-quantenmetropole
Die Initiative „Berlin Quantum“ nimmt Fahrt auf und will komplexe Quantenwelt besser nutzbar machen – mit jeder Menge Drittmitteln im Rücken.
Physics Colloquium TU Berlin
/en/events/physics-colloquium-tu-berlin
“Diode laser physics for the scaling of optical power and conversion efficiency: Enabling the next generation of ultra-high energy laser applications, from direct material processing to inertial…
Video about the training in microtechnology
/en/media-center/press-releases/video-about-the-training-in-microtechnology
Learn more about the training as a microtechnologist at the Ferdinand-Braun-Institut (in German language).
Short-range order controlled amphoteric behavior of the Si dopant in Al-rich AlGaN
/en/research/publications/short-range-order-controlled-amphoteric-behavior-of-the-si-dopant-in-al-rich-algan
AlGaN alloys with high Al content offer the possibility to create deep ultraviolet light sources emitting at wavelengths ≤ 240 nm with enhanced quantum efficiency. However, increasing the…
Stress and Crystal Quality Analysis of GaN Layers on Cost-Effective Substrates for Vertical High- Power Applications
/en/research/publications/stress-and-crystal-quality-analysis-of-gan-layers-on-cost-effective-substrates-for-vertical-high-power-applications
For vertical transistor technology in the highpower regime, Gallium Nitride (GaN) layers grown on foreign substrates provide a cost-effective alternative to native GaN substrates but face challenges…