Title :
Excitation of long-range surface plasmon mode with long-period waveguide grating for refractive-index sensing
Author :
Liu, Q. ; Chiang, K.S.
Author_Institution :
Dept. of Electron. Eng., City Univ. of Hong Kong, Kowloon, China
Abstract :
We analyze the excitation of the long-range surface plasmon mode of a metal-coated waveguide with a long-period grating for refractive-index sensing. This sensing principle can offer both high sensitivity and high precision for biomedical applications.
Keywords :
diffraction gratings; optical waveguides; refractive index measurement; surface plasmons; biomedical applications; long- period waveguide grating; long-range surface plasmon mode; metal-coated waveguide; refractive-index sensing; Biosensors; Chemical and biological sensors; Dielectrics; Gratings; Optical fiber sensors; Plasmons; Refractive index; Resonance; Slabs; Surface waves;
Conference_Titel :
OptoElectronics and Communications Conference, 2009. OECC 2009. 14th
Conference_Location :
Hong Kong
Print_ISBN :
978-1-4244-4102-0
Electronic_ISBN :
978-1-4244-4103-7
DOI :
10.1109/OECC.2009.5212971