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Signal amplification in a qubit-resonator system
We study the dynamics of a qubit-resonator system, when the resonator is driven by two signals. The interac-tion of the qubit with the high-amplitude driving we consider in terms of the qubit dressed states....
PublicationsTemperature sensing up to 1300°C using suspended-core microstructured optical fibers
We demonstrate a new approach to high temperature sensing using femtosecond laser ablation gratings within silica suspended-core microstructured optical fibers. The simple geometry of the suspended-core...
PublicationsTaming the Light in Microstructured Optical Fibers for Sensing
In this review, we examine recent developments in the field of chemical and biological sensing utilizing suspended-core, exposed-core, and hollow-core microstructured optical fibers. Depending on the intended...
PublicationsInterferometric-type optical biosensor based on exposed core microstructured optical fiber
This work presents a novel biosensor using the multimode interference effect in an exposed core microstructured optical fiber (ECF). In this work biotin molecules are immobilized onto the ECF core surface...
PublicationsSchwertmannite formation at cell junctions by a new filament-forming Fe(II)-oxidizing isolate affiliated with the novel genus Acidithrix
A new acidophilic iron-oxidizing strain (C25) belonging to the novel genus Acidithrix was isolated from pelagic iron-rich aggregates (‘iron snow’) collected below the redoxcline of an acidic lignite...
PublicationsEmploying Theories Far beyond Their Limits—The Case of the (Boguer-) Beer–Lambert Law
For spectroscopists, the (Bouguer-)Beer–Lambert law is unquestionably an essential principle, since it is inseparably linked with one of the most important quantities in spectroscopy, the absorbance....
PublicationsToward levofloxacin monitoring in human urine samples by employing the LoC-SERS technique
The pharmacokinetics of antibiotics like levofloxacin exhibits large inter-individual differences questioning the value of fix dose regimens and warranting individual dosing based on therapeutic drug monitoring....
PublicationsDispersion analysis with inverse dielectric function modelling
We investigate how dispersion analysis can profit from the use of a Lorentz-type description of the inverse dielectric function. In particular at higher angles of incidence, reflectance spectra using p-polarized...
PublicationsPhotophysics of a novel Ru-4H-imidazole sensitizer for TiO2-based DSSCs
Ruthenium(II) dyes which coordinate a 4H-imidazole ligand (see figure) show intense absorption over a wide range of the visible spectrum, which is one prerequisite for potential applications in artificial...
PublicationsFinite quasiparticle lifetime in disordered superconductors
We investigate the complex conductivity of a highly disordered MoC superconducting film with kFl≈1, where kF is the Fermi wavenumber and l is the mean free path, derived from experimental transmission...
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