Plasmonic Nanoantennas on Nanopedestals for Ultra-Sensitive Vibrational IR-Spectroscopy

Etezadi D., ÇETİN A. E., Altug H.

Conference on Lasers and Electro-Optics (CLEO), San-Jose, Costa Rica, 10 - 15 May 2015, (Full Text) identifier identifier

  • Publication Type: Conference Paper / Full Text
  • City: San-Jose
  • Country: Costa Rica
  • Dokuz Eylül University Affiliated: No

Abstract

We experimentally demonstrate that elevating polarization-insensitive nanoring antennas on nanopedestals enables high surface enhanced infrared absorption (SEIRA) signals. This is due to larger and accessible nearfields offering better overlap with biomolecules.