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Design and fabrication of nano-sinusoid LSPR devices

Version 2 2024-06-03, 12:40
Version 1 2015-02-26, 12:58
journal contribution
posted on 2024-06-03, 12:40 authored by D Mortazavi, Abbas KouzaniAbbas Kouzani, M Kalani
Applications of LSPR nano-particles in various areas of solar cells, LSPR biosensors, and SERS biosensors, based on interaction of light with noble metal nano-particles is increasing. Therefore, design and nano-fabrication of the LSPR devices is a key step in developing such applications. Design of nano-structures with desirable spectral properties using numerical techniques such as finite difference time domain (FDTD) is the first step in this work. A new structure called nano-sinusoid, satisfying the some desirable LSPR characteristics, is designed and simulated using the FDTD method. In the next stage, analytical method of electro static eigen mode method is used to validate the simulation results. The, nano-fabrications method of electron beam lithography (EBL) is implemented to fabricate the proposed profile with high precision. Finally, atomic force microscopy (AFM) is used to investigate the shape of the fabricated nano-particles, and the dark field microscopy is employed to demonstrate the particular spectral characteristics of the proposed nano-sinusoids.

History

Journal

Optics Express

Volume

22

Pagination

18889-18903

Location

Washington, United States

eISSN

1094-4087

Language

eng

Publication classification

C Journal article, C1 Refereed article in a scholarly journal

Copyright notice

2014, The Optical Society

Issue

16

Publisher

The Optical Society