Title :
Self-referenced SPR sensing via simultaneous excitation of long- and short-range surface plasmons
Author :
Donipudi, R. ; Pochiraju, S. ; Hastings, J.T.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Kentucky, Lexington, KY
Abstract :
We demonstrate a novel surface-plasmon resonance sensor that can distinguish surface binding from bulk refractive index changes. This is accomplished by simultaneous interrogation of the sensed medium with long- and short-range surface-plasmon polaritons.
Keywords :
gold; optical sensors; polaritons; refractive index; surface plasmon resonance; Au; SPR sensing; long-range surface-plasmon polaritons; refractive index; self-referenced sensing; short-range surface-plasmon polaritons; surface-plasmon resonance; Biosensors; Gold; Optical coupling; Optical reflection; Optical refraction; Optical surface waves; Plasmons; Refractive index; Resonance; Surface waves; 170.0170 Medical optics and biotechnology; 240.6680 Surface plasmons;
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.2006.4628398
