Differential Detection for Nanoplasmonic Resonance Sensors

Author

Ptasinski, Joanna ; Pang, Lin ; Sun, Pang-Chen ; Slutsky, Boris ; Fainman, Yeshaiahu

Author_Institution

Dept. of Electr. & Comput. Eng., Univ. of California at San Diego, La Jolla, CA, USA

Volume

12

Issue

2

fYear

2012

Firstpage

384

Lastpage

388

Abstract

A differential measurement design employing two nearly collinear optical beams can lead to surface plasmon polariton (SPP) sensors of increased dynamic range and signal-to-noise ratio. We demonstrate a differential measurement device that is based on wavelength interrogation, employs a single incident polarization state, and is combined with a 2-D nanohole array for operation at near-normal incidence, where this approach offers a decrease in the measurement time.

Keywords

differential detection; light polarisation; nanosensors; optical sensors; polaritons; surface plasmon resonance; 2D nanohole array; SPP sensors; collinear optical beams; differential detection; differential measurement device; nanoplasmonic resonance sensors; near normal incidence; polarization; signal-to-noise ratio; surface plasmon polariton; wavelength interrogation; Arrays; Laser beams; Optical surface waves; Plasmons; Sensitivity; Sensors; Wavelength measurement; Bioplasmonics; biosensors; gold nanohole array; surface plasmon polariton (SPP); surface plasmon resonance (SPR);

fLanguage

English

Journal_Title

Sensors Journal, IEEE

Publisher

ieee

ISSN

1530-437X

Type

jour

DOI

10.1109/JSEN.2011.2161605

Filename

5951721