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A Vibration sensor based on distributed Bragg reflector fibre laser
A vibration sensor based on a distributed Bragg reflector (DBR) is proposed. The gratings that form the cavity are written in Erbium-doped fibre using the femtosecond laser technique. In this configuration,...
PublikationenPost-Processing of Fabry-Pérot Microcavity Tip Sensor
A Fabry-Pérot microcavity tip sensor fabricated by post-processing of a special designed double-cladding optical fiber is proposed. The produced fiber has a pure silica core and outer cladding and an...
PublikationenCoherently combined 20 W at 2000 nm from a pair of thulium-doped fiber lasers
We experimentally demonstrated coherent beam combining of a pair of thulium-doped fiber lasers using an all-fiber Fox-Smith resonator. We built two thulium-doped fiber lasers from PM fibers and pumped...
PublikationenOptical Photon Reassignment Microscopy (OPRA)
To enhance the resolution of a confocal laser scanning microscope the additional information of a pinhole plane image taken at every excitation scan position can be used [C. J. R. Sheppard, Super-resolution...
PublikationenUtilizing Ancillary Ligands To Optimize the Photophysical Properties of 4H-Imidazole Ruthenium Dyes
Correlations between structural features and photophysical properties offer the possibility to design dyes with tailor-made properties. In this respect, the photophysical properties of a series of 4H-imidazole...
PublikationenInorganic Salts In Atmospheric Particulate Matter: Raman Spectroscopy As An Analytical Tool
Atmospheric particulate matter is composed of inorganic and organic components of natural and anthropogenic origin. Wind-transport is probably the most important process responsible for the emission of...
PublikationenUnambiguous position and orientation tracking using a rotating magnet
We present a measurement system for magnetic position and orientation tracking. It uses a rotating magnet as transmitter and a three-axis magnetic field sensor to measure the magnetic field ellipse produced...
PublikationenOptical spectroscopy of photovoltaic systems based on low-bandgap polymers
We report on the optical characterization of a low-bandgap thieno[3,4-b]pyrazine phenylenevinylene copolymer. Individual layers on quartz and Si substrates as well as layered structures on ITO covered...
PublikationenInkjet printed silver back contacts for flexible amorphous silicon thin-film solar cells on glass fiber fabrics
The preparation of inkjet printed silver back contacts for flexible amorphous silicon thin-film solar cells on textile glass fiber fabrics is presented. The silver tracks were printed onto glass fiber...
PublikationenSolar spectral conversion for improving the photosynthetic activity in algae reactors
Sustainable biomass production is expected to be one of the major supporting pillars for future energy supply, as well as for renewable material provision. Algal beds represent an exciting resource for...
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