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Highly sensitive miniature SQUID magnetometer fabricated with cross-type Josephson tunnel junctions
We report on a new method suitable for the fabrication of highly sensitive SQUID magnetometers exhibiting very small effective areas. In contrast to commonly used approaches, which mostly make use of constrictions...
PublicationsSub-fT/Hz1/2 resolution and field-stable SQUID magnetometer based on low parasitic capacitance sub-micrometer cross-type Josephson tunnel junctions
We review the development of low parasitic capacitance sub-micrometer cross-type Josephson tunnel junctions for their use in highly sensitive and field-stable SQUID magnetometers. The potential of such...
PublicationsCalcite biomineralization by bacterial isolates from the recently discovered pristine karstic Herrenberg cave
Karstic caves represent one of the most important subterranean carbon storages on Earth and provide windows into the subsurface. The recent discovery of the Herrenberg Cave, Germany, gave us the opportunity...
PublicationsSpray-Coating Route for Highly Aligned and Large-Scale Arrays of Silicon Nanowires
Technological implementation of nanowires (NWs), such as silicon (Si) NWs, requires these components to be organized with controlled orientation and density on various substrates. Here, we report on a...
PublicationsReadout of a qubit array via a single transmission line
Frequency-selective readout for superconducting qubits opens up the way towards scaling qubit circuits without increasing the number of measurement lines. Here we demonstrate the readout of an array of...
PublicationsPlasmonic effects in metal filled microstructured optical fibers
By blocking selected holes of photonic crystal fibers and filling them with liquid gold, we are able to introduce micron sized wires into silica fibers. We show that it is possible to excite surface plasmon...
PublicationsPartially coherent light-emitting diode illumination for video-rate in-line holographic microscopy
The light of a light emitting diode (LED) or a common thermal source like a tungsten filament lamp is known to be quasi incoherent. We generate partially coherent light of these sources with a volume of...
PublicationsFabrication and characterization of special microstructured fibers
Microstructured optical fibers (MOFs) as a novel type of light guiding media typically combine structural elements with very different chemical and optical behavior, e.g. silica - air, silica - high refractive...
PublicationsOptical excitation of surface modes in selectively gold filled photonic crystal fibers
By blocking selected holes of photonic crystal fibers and filling them with liquid gold, we are able to introduce micron sized wires into silica fibers. We show that it is possible to excite surface...
PublicationsTomographical measurement of stress distribution in non-axisymmetric preforms
This paper gives an overview about the first results of the photoelastic computer tomography measurements of the axial residual stress profile in preforms at the IPHT. A polarimetric method for measuring...
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