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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
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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
Narrow bandwidth red emitting diode lasers
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Narrow bandwidth red-emitting diode lasers will be an alternative for commonly used He-Ne-Lasers in metrology and Raman spectroscopy in the future. Just recently, scientists from the FBH succeeded…
3-dimensional integration of SiGe-BiCMOS and InP-HBT technology
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Current results from the InP-HBT high frequency circuits fabricated within the "HiTeK" project prove the capability of the developed technology platform for heterogeneous integrated…