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New Electron Beam Lithography Tool at FBH
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The new shaped beam system SB251 allows direct write applications with highest precision providing the technological basis for further development of state-of-the-art devices at the FBH.
"Berlin WideBaSe" develops Semiconductors for High-Power Applications
/en/media-center/press-releases/berlin-widebase-develops-semiconductors-for-high-power-applications
Semiconductors with wide bandgap offer excellent materials properties and enable extremely compact and very fast power devices as well as powerful UV light emitters. Berlin WideBaSe combines know-how…
Enhancing the Light Extraction of Ultraviolet Light Emitting Diodes
/en/research/research-news/enhancing-the-light-extraction-of-ultraviolet-light-emitting-diodes
Compact UV LEDs are highly attractive for various applications. The FBH succeeded in significantly increasing the currently low efficiency with a novel design approach.
Significant Improvement in Output Power of UV LEDs
/en/research/research-news/significant-improvement-in-output-power-of-uv-leds
LEDs in the UV spectral range are fabricated from AlGa(In)N epitaxial layer stacks on a sapphire substrate that is transparent for UV light. By optimizing the AlN base layers and the AlGaN structures…
High-Power 1060 nm Ridge Waveguide Lasers with Low-Index Quantum Barriers for Narrow Vertical Divergence Angle
/en/research/research-news/high-power-1060-nm-ridge-waveguide-lasers-with-low-index-quantum-barriers-for-narrow-vertical-divergence-angle
FBH scientists have recently demonstrated high-power ridge waveguides with extremely narrow lateral and vertical far field angles of 12° x 17° respectively (95% power content).
Innovative Transistorchips for Satellites
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Nearly every household uses the processing power of modern high-power chips. For special applications, scientists not only strive for ever smaller and faster transistors but also for reliable…
Innovative Soak-Lift Processing at the FBH Enables Delicate Structures
/en/research/research-news/innovative-soak-lift-processing-at-the-fbh-enables-delicate-structures
At the Ferdinand-Braun-Institut (FBH) a specific lift-off process has been developed which allows the institute to lift-off extremely delicate gate structures at highest quality. In the future,…
Benchmarking of AlGaN/GaN epitaxial wafers for microwave power devices
/en/research/research-news/benchmarking-of-algangan-epitaxial-wafers-for-microwave-power-devices
In order to obtain an unbiased information on the world-wide state of the art of epitaxial layer performance and quality, FBH has been selected by the European Space Agency (ESA) for a benchmarking…
First Class-S Power Amplifiers for the Microwave Frequency Range
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Energy consumption of the wireless communication infrastructure has become a major concern. Concepts for highly efficient power amplifiers have thus become the subject of intensive research.…
Ready for industry
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Industrial applications require increasingly faster, powerful and energy-efficient devices for electronic and optoelectronic power applications. Therefore, the Ferdinand-Braun-Institute founded its…