http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Surface Plasmon-Mediated Near-Field Optical Addressing of Single Nano-Objects: A Simple Analysis
A. Drezet,S. Huant,J. C. Woehl,M. Brun 한국물리학회 2005 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.47 No.1
Recently, we have presented a scheme for remotely addressing single nano-objects by means of near-field optical microscopy that makes only use of one of the most fundamental properties of electromagnetic radiation: its polarization [M. Brun et al., Europhys. Lett. 64, 634 (2003)]. A medium containing optically active nanoobjects is covered with a thin metallic mask presenting sub-wavelength holes. When the optical tip is positioned some distance away from a hole, surface plasmons in the metal coating are generated which, by turning the polarization plane of the excitation light, transfer the excitation towards a chosen hole and induce emission from the underlying nano-objects. This paper gives a quantitative description of this addressing method.
N. Chevalier,F. Chandezon,J. Bleuse,J.C. Woehl,J.F. Motte,M. Stark,M.J. Nasse,P. Reiss,S. Huant 한국물리학회 2005 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.47 No.1
We present a method to realize active optical tips for use in near-field optics that can operate at room temperature. A metal-coated optical tip is covered with a thin polymer layer stained with CdSe nanocrystals at low density. The time analysis of the emission rate of the active tip and the analysis of its emission spectra reveal that a very small number of particles - possibly down to only one nanocrystal - can be made active at the tip apex. This opens the way to optics with a single nanocrystal as a light source.