Title :
Hybrid photonic-plasmonic silk protein as refractive index sensor
Author :
Kim, Sunghwan ; Mitropoulos, Alexander N. ; Spitzberg, Joshua D. ; Kaplan, David L. ; Omenetto, Fiorenzo G.
Author_Institution :
Dept. of Biomed. Eng., Tufts Univ., Medford, MA, USA
Abstract :
Hybrid plasmonic-photonic crystal (HPPC) composed of biopolymer-silk and silver film offers label free refractive index sensing. Detectability of the sensor is enhanced by surface plasmon. The sensor shows a sensitivity of 281 nm/RIU.
Keywords :
biosensors; metallic thin films; molecular biophysics; nanophotonics; nanosensors; optical sensors; photonic crystals; plasmonics; polymers; proteins; refractive index; sensitivity; silver; surface plasmons; thin film sensors; Ag; biopolymer silk; detectability; hybrid photonic-plasmonic silk protein; nanosensor; refractive index sensor; sensitivity; silver film; surface plasmon; Films; Optical surface waves; Photonic crystals; Refractive index; Sensitivity; Sensors; Surface topography;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
