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Error analysis in a high accuracy sampled-data velocity stabilising system using Volterra series
(2015)
Microwave Kinetic Inductance Detectors have great potential for large very sensitive detector arrays for use in, for example, ground and spaced based sub?mm imaging. Being intrinsically readout in the frequency domain, they are particularly suited for frequency domain multiplexing allowing 1000s of devices to be readout with one pair of coaxial cables. However, this moves the complexity of the detector from the cryogenics to the warm electronics. We present the use of a readout based on a Fast Fourier transform Spectrometer, showing no deterioration of the noise performance compared to low noise analog mixing while allowing high multiplexing ratios (>100). We present use of this technique to multiplex 44 MKIDs, while this and similar setups are regularly now being used in our array development. This development will help the realization of large cameras, particularly in the short term for ground based astronomy.
The Project SupraMetall: Towards Commercial Fabrication of High-Temperature Superconducting Tapes
(2014)
Ausgangspunkt der im Folgenden vorgestellten Semesterstruktur war die Umstellung der vorhandenen Diplomstudiengänge auf den Bachelor-Abschluss. Am Fachbereich werden drei grundständige Studiengänge angeboten; die technischen Studiengänge Elektrotechnik und Maschinenbau sowie der interdisziplinäre Studiengang Technikjournalismus, der den Geistes- und Sozialwissenschaften zuzurechnen ist. Ebenfalls sind duale Studiengänge vorhanden, die an grundständige Studiengänge angelehnt sind.