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Effect of hybrid field coupling in nanostructured surfaces on anisotropic signal detection in nanoscale infrared spectroscopic imaging methods

Anisotropic intensity distributions on nanostructured surfaces and polarization-sensitive spectra have been observed in a number of nanoscale infrared spectroscopic imaging methods, including nano-FTIR...

Nano-chemical cell-surface evaluation in photothermal spectroscopic imaging of antimicrobial interaction in model system Bacillus subtilis & vancomycin

The power of photothermal spectroscopic imaging to visualize antimicrobial interaction on the surface of individual bacteria cells has been demonstrated on the model system Bacillus subtilis and vancomycin...

Mind the splice: ultra-high-sensitivity refractometer based on thin-wall silica capillary tube

In light of the increasing demand for sensing devices with larger sensitivities and precision, this work presents an optical fiber sensor based on multimode interference, fabricated by manipulating the...

Spin-directional coupling in hyperbolic shear metasurfaces

Optical spin angular momentum defines the polarization properties of light. There is a robust connection between the directions of wave propagation and optical spin angular momentum. Here, we investigate...

Applying draw tower FBGs to characterize fiber drawing processes

Pressure and temperature sensing with 3D nanoprinted structure integrated on optical fiber

Nanoprinted optical fiber sensors are highly relevant in advanced sensing applications due to their precision, versatility, and ability to operate in compact and challenging environments. In this work,...

Nonresonant background removal in broadband CARS microspectroscopy using deep learning algorithms

Broadband Coherent anti-Stokes Raman (BCARS) microscopy is an imaging technique that can acquire full Raman spectra (400–3200 cm−1) of biological samples within a few milliseconds. However, the CARS...

RamanBioAssay platform for fast and comprehensive characterization of pathogenic bacteria

Bacterial infections contribute significantly to the global burden of disease. Identification of bacteria and subsequent antimicrobial susceptibility testing are important tools to mitigate the severe...

Meta-fibers: merging nanophotonics and fiber optics via 3D nanoprinting for taylored beam manipulation

Here, we will demonstrate how the fusion of optical fibers with nanostructures creates a new category of fiber-integrated devices – meta-fibers – that unlocks novel applications. We achieve this by...

Technological approaches towards a monolithic visible Pr3+-doped fluoride glass fiber laser

Research results of different technological approaches and key components that are necessary to develop a monolithic visible fiber laser based on an active Pr3+-doped fluoride glass fiber (ZBLAN) in combination...