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Narrow bandpass cryogenic filter for microwave measurements
An ultra-wide stopband hairpin bandpass filter with integrated nonuniform transmission lines was designed and fabricated for highly sensitive measurements at cryogenic temperatures down to millikelvin...
PublikationenAmyloids: from molecular structure to mechanical properties
Many proteins of diverse sequence, structure and function self-assemble into morphologically similar fibrillar aggregates known as amyloids. Amyloids are remarkable polymers in several respects. First...
PublikationenAmide I vibrational mode suppression in surface (SERS) and tip (TERS) enhanced Raman spectra of protein specimens
Surface- and tip-enhanced Raman spectroscopy (SERS and TERS) are modern spectroscopic techniques, which are becoming widely used and show a great potential for the structural characterisation of biological...
PublikationenRaman Spectroscopy and Imaging: Promising Optical Diagnostic Tools in Pediatrics
This review focuses on the use of Raman spectroscopy, an analytical technique based on the inelastic scattering of harmless laser light with biological tissues, as an innovative diagnostic tool in pediatrics....
PublikationenObservation of Gigawatt-Class THz Pulses from a Compact Laser-Driven Particle Accelerator
We report the observation of sub-picosecond terahertz (T-ray) pulses with energies $geq460$ $mu$J from a laser-driven ion accelerator, thus rendering the peak-power of the source higher even than that...
PublikationenSelf-Healing Polymer Coatings Based on Crosslinked Metallosupramolecular Copolymers
Self-healing coating based on metallopolymers are prepared and fully characterized. The iron bisterpyridine complexes are incorporated into a polymer network based on methacyrlates, resulting in self-healing...
PublikationenPolycrystalline silicon thin-film solar cells prepared by layered laser crystallization with 540 mV open circuit voltage
Polycrystalline silicon thin film solar cells on a glass substrate are investigated. The solar cell layer structure was generated by a two-step process in which first a 100–600 nm thin seed layer is...
PublikationenH2 Sensing Based on a Pd-Coated Tapered-FBG Fabricated by DUV Femtosecond Laser Technique
An optical fiber sensor based on a tapered-FBG coated with 150 nm-thick Pd film is proposed for hydrogen detection. The FBG was written in a 50 µm-diameter tapered fiber by DUV femtosecond laser technology....
PublikationenInvestigation of Gas Exchange Processes in Peat Bog Ecosystems by Means of Innovative Raman Gas Spectroscopy
Highly sensitive Raman gas spectroscopy is introduced for simultaneous real time analysis of O2, CO2, CH4, and N2 in order to elucidate the dynamics of greenhouse gases evolving from climate-sensitive...
PublikationenMagnetic and magneto-optical quenching in (Mn2+, Sr2+) metaphosphate glasses
Transition metal ions such as Mn2+, Fe2+, or Co2+ provide an interesting alternative to rare earth dopants in optically active glasses. In terms of their magneto-optical properties, they are not yet very...
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