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Scalable, High Power Line Focus Diode Laser for Crystallizing of Silicon Thin Films
We present the design and performance of a diode laser module producing a high intensity line focus at 808 nm for material processing. The design is based on a linear array of 7 laser bars and beam forming...
PublikationenFTIR, Raman, and CARS microscopic imaging for histopathologic assessment of brain tumors
The contribution demonstrates how the molecular contrast of Fourier transform infrared (FTIR), Raman and coherent anti-Stokes Raman scattering (CARS) microscopic imaging can be applied for the histopathological...
PublikationenMultimode Fabry-Perot Interferometer Probe based on Vernier Effect for Enhanced Temperature Sensing
New miniaturized sensors for biological and medical applications must be adapted to the measuring environments and should provide large measurement resolution to sense small changes. The Vernier effect...
PublikationenMagnetooptical response of permalloy multilayer structures on different substrate in the IR-VIS-UV spectral range
The magnetooptical (MO) response of Ru/Py/Ta thin film stacks with 4, 8, and 17 nm thick Ni81Fe19 permalloy (Py) films on a SiO2/Si and a ZnO substrate was measured by vector magnetooptical generalized...
PublikationenHolographic optical tweezers at the tip of a needle
Fibre-based optical tweezers typically rely on engineered fibre terminations yielding limited flexibility in number and positioning of trap sites. Here, we demonstrate holographic optical tweezers delivered...
PublikationenLiquid-Crystal and MEMS modulators for beam-shaping through multimode fibre
The previous five years have shown a rapidly growing interest in digital micromirror device (DMD) as a spatial light modulator for complex photonics applications, primarily due to their high switching...
PublikationenLaser tweezers Raman spectroscopy of E. coli under antibiotic stress in microfluidic chips
Analyzing the cells in various body fluids can greatly deepen the understanding of the mechanisms governing the cellular physiology. Because of the variability of physiological and metabolic states, it...
PublikationenNanoapertures without nanolithography
We propose and experimentally demonstrate the implementation of lithography-free nanoapertures on optical fibers. By sputtering metallic nanofilms onto the end face of step index fibers that contain central...
PublikationenCharacterization of mecC gene-carrying coagulase-negative Staphylococcus spp. isolated from various animals
The presence of the methicillin resistance gene mecC in coagulase-negative Staphylococcus spp. (CoNS) is scarce. The aim of this study was to characterize mecC-positive CoNS isolated from various wild...
PublikationenExcited-state dynamics of heteroleptic copper(I) photosensitizers and their electrochemically reduced forms containing a dipyridophenazine moiety – a spectroelectrochemical transient absorption study
The electrochemically singly-reduced Cu(I) photosensitizers of the type [Cu(xant)(N^N)]+ (with xant = xantphos ligand and N^N = bidentate diimine ligand: dipyrido[3,2-a:20,30-c]phenazine = dppz or 3,6,11,12-tetramethyl-dipyrido[3,2-a:20,30-c]phenazine...
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