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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…
Towards fully integrated photonic displacement sensors
Ankan Bag, Martin Neugebauer, Uwe Mick +3
The field of optical metrology with its high precision position, rotation and wavefront sensors represents the basis for lithography and high resolution microscopy. However, the on…
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…