Title :
Bio-inspired plasmonic sensors by diatom frustules
Author :
Fanghui Ren ; Campbell, Joe ; Hasan, Dihan ; Xiangyu Wang ; Rorrer, Gregory L. ; Wang, Alan X.
Author_Institution :
Sch. of Electr. Eng. & Comput. Sci., Oregon State Univ., Corvallis, OR, USA
Abstract :
We investigate bio-inspired plasmonic sensors based on the interactions between Ag nanoparticles and diatom biosilica. The strongly coupled optical resonances lead to 2× higher optical extinction and 4~6× improvement of sensitivity in surface-enhanced Raman scattering.
Keywords :
Raman spectra; bio-inspired materials; extinction coefficients; gold; nanofabrication; nanoparticles; nanophotonics; nanosensors; optical couplers; optical design techniques; optical fabrication; optical resonators; optical sensors; plasmonics; silicon compounds; surface plasmons; Au; SiO2; bioinspired plasmonic sensors; diatom biosilica; diatom frustules; gold nanoparticles; optical extinction; strongly coupled optical resonances; surface-enhanced Raman scattering; Biomedical optical imaging; Optical device fabrication; Optical imaging; Optical scattering; Optical sensors; Plasmons;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
