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Proceedings Paper

Controlling the shapes and sizes of metallic nanoantennas for detection of biological molecules using hybridization phase of plasmon resonances and photonic lattice modes
Author(s): Rithvik R. Gutha; Christina Sharp; Waylin J. Wing; Seyed M. Sadeghi
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Paper Abstract

Chemical sensing based on Localized Surface Plasmonic Resonances (LSPR) and the ultra-sharp optical features of surface lattice resonances (SLR) of arrays of metallic nanoantennas have attracted much attention. Recently we studied biosensing based on the transition between LSPR and SLR (hybridization phase), demonstrating significantly higher refractive index sensitivity than each of these resonances individually. In this contribution we study the impact of size and shape of the metallic nanoantennas on the hybridization process and the way they influence application of this process for biosensing, wherein miniscule variation of the refractive index of the environment leads to dramatic changes in the spectral properties of the arrays.

Paper Details

Date Published: 20 February 2018
PDF: 8 pages
Proc. SPIE 10510, Frontiers in Biological Detection: From Nanosensors to Systems X, 105100O (20 February 2018); doi: 10.1117/12.2289224
Show Author Affiliations
Rithvik R. Gutha, The Univ. of Alabama in Huntsville (United States)
Christina Sharp, The Univ. of Alabama in Huntsville (United States)
Waylin J. Wing, The Univ. of Alabama in Huntsville (United States)
Seyed M. Sadeghi, The Univ. of Alabama in Huntsville (United States)


Published in SPIE Proceedings Vol. 10510:
Frontiers in Biological Detection: From Nanosensors to Systems X
Amos Danielli; Benjamin L. Miller; Sharon M. Weiss, Editor(s)

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