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Shaping Field Gradients for Nanolocalization
Sergey Nechayev, Jörg S. Eismann, Martin Neugebauer +1
Deep sub-wavelength localization and displacement sensing of optical nanoantennas have emerged as extensively pursued objectives in nanometrology, where focused beams serve as high…
Spin-Orbit Coupling and the Evolution of Transverse Spin
Jörg S. Eismann, Peter Banzer, Martin Neugebauer
We investigate the evolution of transverse spin in tightly focused circularly polarized beams of light, where spin-orbit coupling causes a local rotation of the polarization ellips…
Towards Polarization-based Excitation Tailoring for Extended Raman Spectroscopy
Simon Grosche, Richard Hünermann, George Sarau +4
Undoubtedly, Raman spectroscopy is one of the most elaborated spectroscopy tools in materials science, chemistry, medicine and optics. However, when it comes to the analysis of nan…
Substrate-Induced Chirality in an Individual Nanostructure
Sergey Nechayev, René Barczyk, Uwe Mick +1
We experimentally investigate the chiral optical response of an individual nanostructure consisting of three equally sized spherical nanoparticles made of different materials and a…
Mimicking Chiral Light-Matter Interaction
Sergey Nechayev, Peter Banzer
We demonstrate that electric-dipole scatterers can mimic chiral light-matter interaction by generating far-field circular polarization upon scattering, even though the optical chir…
Orbital-to-Spin Angular Momentum Conversion Employing Local Helicity
Sergey Nechayev, Jörg S. Eismann, Gerd Leuchs +1
Spin-orbit interactions in optics traditionally describe an influence of the polarization degree of freedom of light on its spatial properties. The most prominent example is the ge…