Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Nenad Ocelic"'
Publikováno v:
Journal of Microscopy. 229:389-395
We demonstrate that mid-infrared surface phonon polariton excitation, propagation and interference can be studied by scattering-type near-field optical microscopy (s-SNOM). In our experiments we image surface phonon polaritons (SPPs) propagating on f
Publikováno v:
2011 International Conference on Infrared, Millimeter, and Terahertz Waves.
We demonstrate a FTIR system that allows for infrared-spectroscopic nano-imaging with a thermal source (nano-FTIR). Based on super-focusing of thermal radiation with an infrared antenna and strong signal enhancement using an asymmetric FTIR spectrome
Publikováno v:
Nature materials. 10(5)
Fourier-transform infrared (FTIR) spectroscopy is a widely used analytical tool for chemical identification of inorganic, organic and biomedical materials, as well as for exploring conduction phenomena. Because of the diffraction limit, however, conv
Publikováno v:
Optics express. 15(14)
Nanometer-scale mapping of complex optical constants by scattering-type near-field microscopy has been suffering from quantitative discrepancies between the theory and experiments. To resolve this problem, a novel analytical model is presented here.
Publikováno v:
Nano letters. 7(10)
We study the optical material contrast of single nanoparticles in infrared scattering-type near-field optical microscopy (IR s-SNOM) in the presence of strong probe-substrate coupling. It is shown theoretically and experimentally that the contrast de
Publikováno v:
Physical Review Letters. 97
We demonstrate nanoscale resolved infrared imaging of single nanoparticles employing near-field coupling in the nanoscopic gap between the metal tip of a scattering-type near-field optical microscope and the substrate supporting the particles. Experi
Publikováno v:
Nano letters. 6(4)
We show that slight variations of a crystal lattice cause significant spectral modifications of phonon-polariton resonant near-field interaction between polar semiconductor crystals and a scanning metal tip. Exploiting the effect for near-field imagi
Autor:
Rainer Hillenbrand, Nenad Ocelic
Publikováno v:
Nature materials. 3(9)
Recent advances in optical nanotechnologies by controlling surface plasmon polaritons in metallic nanostructures demonstrate high potential for subwavelength-scale waveguiding of light, data storage, microscopy or biophotonics. Surprisingly, surface
Publikováno v:
Applied Physics Letters. 89:101124
The authors present a detection technique for scattering-type near-field optical microscopy capable of background interference elimination in the entire near-UV to far-IR spectral range. It simultaneously measures near-field optical signal amplitude
Publikováno v:
Applied Physics Letters. 87:081103
We demonstrate that mid-infrared surface phonon polariton propagation on a SiC crystal can be imaged by scattering-type near-field optical microscopy. From the infrared images, we measure the wave vector and the propagation length of locally excited