Title :
Tip-induced polaritonic resonance in scattering-type near-field microscopy
Author_Institution :
Max-Planck-Inst. fur Biophys. Chem., Martinsried, Germany
Abstract :
Apertureless near-field probing induces a resonant response in polaritonic (negative-epsilon) materials, demonstrated in 890-1090 cm/sup -1/ spectra (CO/sub 2/ laser) of (i) plasmon-enhancement by mobile electrons in Si, (ii) plasmon-enhancement by the fundamental lattice vibration of SiC.
Keywords :
elemental semiconductors; infrared spectra; near-field scanning optical microscopy; phonons; plasmons; polaritons; silicon; silicon compounds; wide band gap semiconductors; CO/sub 2/; Si; SiC; apertureless near-field probing; fundamental lattice vibration; mobile electrons; near-field microscopy; plasmon-enhancement; polaritonic materials; polaritonic resonance; probing tip; scattering; Chemicals; Electron mobility; Frequency; Gold; Lattices; Microscopy; Optical materials; Resonance; Scattering; Silicon carbide;
Conference_Titel :
Quantum Electronics and Laser Science, 2003. QELS. Postconference Digest
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-749-0
DOI :
10.1109/QELS.2003.238162