Title :
Optical chemical sensing employing surface plasmon resonance
Author :
Zhang, Lei M. ; Uttamchandani, Deepak
Author_Institution :
Dept. of Electron. & Electr. Eng., Strathclyde Univ., Glasgow
fDate :
11/10/1988 12:00:00 AM
Abstract :
An optical sensor based on the phenomenon of light-excited surface plasmon resonance has been investigated to measure liquid chemical concentrations. A white light source is used to excite surface plasmon waves at a metal/analyte interface. The wavelength of maximum absorption in th reflected light depends uniquely on the refractive index of the analyte
Keywords :
chemical analysis; chemical variables measurement; nonelectric sensing devices; surface plasmons; chemical sensor; liquid chemical concentrations; maximum absorption wavelength; metal/analyte interface; optical sensor; reflected light; refractive index; surface plasmon resonance; white light source;
Journal_Title :
Electronics Letters
