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FBH publication chosen for IOP select and labtalk
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A publication of P. Crump and further autors from the FBH has been selected for IOP Select and labtalk. The special collection contains journal articles, chosen by IOP editors according to criteria…
Flexible and Efficient Microwave Power Amplifier for Future Mobile Base Stations
/en/research/research-news/flexible-and-efficient-microwave-power-amplifier-for-future-mobile-base-stations
At FBH a GaN-based H-bridge class-D PA for the 900 MHz band has been developed. The demonstrator achieved a maximum efficiency of 50% and a saturated output power of 8 W.
Powerful brilliant light sources: Truncated-tapered semiconductor optical amplifiers improve MOPA system performance
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An ideal diode laser would deliver high output power in a diffraction limited beam, with all emission contained within a narrow, stable spectral window. Each improvement in this regard enables new…
FBH awarded for the fourth time for its family friendliness
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The FBH has again been awarded with the first prize for its family-friendly measures by the district Treptow-Köpenick. District Mayor Oliver Igel bestowed the award in the category "over…
Flip-chip mounted UV-B LEDs with optical powers in the milliwatt range
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The application fields of ultraviolet (UV) emitters in the UV-B range are manifold: ranging from material processing to medical applications. After successful optimization of the fabrication…
Präzise Diagnose im Blaulicht
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Laser have made their way in medicine: they remove unwelcome hair as well as moles, and are used for curing of dental fillings. Soon, collimated light will also help in medical diagnostics: by means…
Growth process modification to improve the quality of Al0.45Ga0.55N
/en/research/research-news/growth-process-modification-to-improve-the-quality-of-al045ga055n
The improvement of HVPE grown Al0.45Ga0.55N crystal quality is a current research topic at FBH. For that purpose, the sapphire substrate is patterned with parallel trenches which then are…
FBH again received TOTAL E-QUALITY award
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On September 24, 2012, the Ferdinand-Braun-Institut again received the TOTAL E-QUALITY award for its dedicated involvement in equal opportunities.
Optimizing Multifinger Transistors for MM-Wave Power Amplification
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At FBH, work has been performed aiming at higher output power levels of mm-wave power amplifiers. To achieve this, multifinger transistors in FBH's Transferred-Substrate InP HBT technology were…
Diffuse optical imaging and spectroscopy of biological tissues by picosecond near infrared light pulses
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Alessandro Torricelli Politecnico di Milano – Dipartimento di Fisica