Title :
Thin-film sensing with terahertz split-ring resonators
Author :
Hara, John F O ; Singh, Ranjan ; Peralta, Xomalin G. ; Brener, Igal ; Shaner, Eric A. ; Branch, Darren W. ; Han, Jiaguang ; Taylor, Antoinette J. ; Zhang, Weili
Author_Institution :
Los Alamos Nat. Lab., MPA-CINT, Los Alamos, NM
Abstract :
We investigate the limitations of using THz metamaterials as thin-film chem-bio sensors, by depositing dielectric overlayers onto split-ring resonator arrays. We also study resonance shifts by conjugating biomolecules using avidin/silane linkers attached to the resonators.
Keywords :
biosensors; chemical sensors; metamaterials; molecular biophysics; optical resonators; THz metamaterials; avidin/silane linkers; biomolecules; dielectric overlayers; resonance shifts; split-ring resonator arrays; terahertz split-ring resonators; thin-film chem-bio sensors; thin-film sensing; Capacitance; DNA; Dielectric thin films; Metamaterials; Optical resonators; Resonance; Resonant frequency; Silicon; Substrates; Transistors; (160.3918) Metamaterials; (280.1415) Biological sensing and sensors; (300.6495) Spectroscopy, terahertz;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
