Author:
Laffont E.,Crespo-Monteiro N.,Valour A.,Berini P.,Jourlin Y.
Abstract
A highly sensitive plasmonic biosensor based on monitoring two diffraction orders reflected from a sinusoidal Au grating is proposed. The biosensor which operates as an optical switch is demonstrated by detecting anti-BSA (bovine serum albumin) using a BSA-functionalised surface.