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Design and fabrication of nano-sinusoid LSPR devices

Mortazavi,D, Kouzani,A and Kalani,M 2014, Design and fabrication of nano-sinusoid LSPR devices, Optics Express, vol. 22, no. 16, pp. 18889-18903.

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Title Design and fabrication of nano-sinusoid LSPR devices
Author(s) Mortazavi,D
Kouzani,AORCID iD for Kouzani,A orcid.org/0000-0002-6292-1214
Kalani,M
Journal name Optics Express
Volume number 22
Issue number 16
Start page 18889
End page 18903
Total pages 15
Publisher The Optical Society
Place of publication Washington, United States
Publication date 2014-08-11
ISSN 1094-4087
Keyword(s) Science & Technology
Physical Sciences
Optics
PLASMON RESONANCE SPECTROSCOPY
NANOPARTICLES
GOLD
Summary 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.
Language eng
Field of Research 090303 Biomedical Instrumentation
Socio Economic Objective 861503 Scientific Instruments
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, The Optical Society
Persistent URL http://hdl.handle.net/10536/DRO/DU:30070076

Document type: Journal Article
Collection: School of Engineering
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