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Static optical sorting in a laser interference field

We present a unique technique for optical sorting of heterogeneous suspensions of microparticles, which does not require the flow of the immersion medium. The method employs the size-dependent response...

Photovoltaic and Thermoelectric Functional Coatings for Smart Textiles: Energy – Safety – Cooling

Um Smart Textiles zu ermöglichen, werden zunehmend autarke Energiequellen benötigt. Die Umwandlung von Licht oder Wärme in elektrische Energie scheint dafür besonders geeignet und umweltfreundlich...

Polarization-maintaining Yb-doped large-mode area fully-aperiodic large-pitch fibers

Based on a special large-pitch architecture which already proved its single-mode single-polarization behavior in a passive configuration, two ytterbium-doped versions of such large-mode area fibers have...

AFM-based probing of flexibility and surface-attachment of immobilized DNA origami

The flexible and precise immobilization of self-organizing DNA nanostructures represents a key step in the integration of DNA-based material for potential electronic or sensor applications. However, the...

Analytic mode normalization for the Kerr nonlinearity parameter: Prediction of nonlinear gain for leaky modes

Based on resonant-state expansion and analytic mode normalization, we derive a master equation for the nonlinear pulse propagation in waveguide geometries that is capable of treating bounded as well as...

cellSTORM – Cost-effective Super-Resolution on a Cellphone using dSTORM

Expensive scientific camera hardware is amongst the main cost factors in modern, high-performance microscopes. On the other hand, cheap, consumer-grade camera devices can provide surprisingly good performance....

µBit – An Open Source General Purpose Toolbox for Rapid Prototyping in Optics

Improved method of luminescence thermometry using a single up-converting particle

Thermal illumination limits in 3D Raman microscopy

Patterned illumination single molecule localization microscopy (piSMLM): user defined blinking regions of interest cellSTORM – Cost-effective Super-Resolution on a Cellphone using dSTORM

Single molecule localization microscopy (SMLM) has been established as an important super-resolution technique for studying subcellular structures with a resolution down to a lateral scale of 10 nm. Usually...