Title :
Plasmon-resonant field enhancement metallic tip-substrate systems
Author :
Roth, R.M. ; Panoiu, N.-C. ; Adams, M.M. ; Osgood, R.M., Jr.
Author_Institution :
Microelectron. Sci. Labs., Columbia Univ., New York, NY
Abstract :
Optical field enhancement (~70times) for light incident on a nanoscopic Au probe tip suspended over a Au substrate is investigated numerically. The spectral response and effect of system geometry are examined using 3D-FDTD.
Keywords :
finite difference time-domain analysis; surface plasmons; 3D-FDTD; light incident; metallic tip-substrate systems; nanoscopic probe tip; optical field enhancement; plasmon-resonant field enhancement; Atom optics; Finite difference methods; Gold; Nonlinear optics; Optical harmonic generation; Optical scattering; Optical sensors; Plasmons; Probes; Time domain analysis; (180.5810) Scanning Microscopy; (240.6680) Surface Plasmons; (999.9999) Field Enhancement; (999.9999) Plasmonics;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4628721