Title :
Optical filed enhancement by surface-plasmon resonance: theory and application to miro-bioelectronics
Author :
Calander, Nils ; Willander, Magnus
Author_Institution :
Dept. of Phys., Chalmers Univ. of Technol., Goteborg, Sweden
Abstract :
The optical field enhancement from plasmon resonance at spheroids is studied by solving the Maxwell´s equations using spheroidal vector wave functions. The theory is applied to silver and gold. The enhancement is shown to be substantial under resonance conditions. Optical capture of fluorescent molecules to the enhancement region is discussed. Attractive as well as repulsive forces are possible depending on the wavelength. Applications for a lab-on-a-chip technology are envisaged.
Keywords :
Maxwell equations; fluorescence; gold; radiation pressure; silver; surface plasmon resonance; wave functions; Ag; Au; Maxwell equations; fluorescent molecules; gold; lab-on-a-chip technology; microbioelectronics; optical capture; optical field enhancement; silver; spheroidal vector wave functions; surface-plasmon resonance; Biomedical optical imaging; Fluorescence; Lab-on-a-chip; Nanobioscience; Optical noise; Optical sensors; Optical surface waves; Plasmons; Resonance; Wave functions;
Conference_Titel :
Optoelectronic and Microelectronic Materials and Devices, 2002 Conference on
Print_ISBN :
0-7803-7571-8
DOI :
10.1109/COMMAD.2002.1237307
