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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 16 — Aug. 11, 2014
  • pp: 18889–18903

Design and fabrication of nano-sinusoid LSPR devices

Daryoush Mortazavi, Abbas Kouzani, and Mahshid Kalani  »View Author Affiliations


Optics Express, Vol. 22, Issue 16, pp. 18889-18903 (2014)
http://dx.doi.org/10.1364/OE.22.018889


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Abstract

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.

© 2014 Optical Society of America

OCIS Codes
(230.0230) Optical devices : Optical devices
(240.6680) Optics at surfaces : Surface plasmons
(260.2110) Physical optics : Electromagnetic optics
(250.5403) Optoelectronics : Plasmonics

ToC Category:
Plasmonics

History
Original Manuscript: April 24, 2014
Revised Manuscript: June 27, 2014
Manuscript Accepted: July 7, 2014
Published: July 28, 2014

Citation
Daryoush Mortazavi, Abbas Kouzani, and Mahshid Kalani, "Design and fabrication of nano-sinusoid LSPR devices," Opt. Express 22, 18889-18903 (2014)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-16-18889


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