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  • CLEO/Europe and EQEC 2011 Conference Digest
  • OSA Technical Digest (CD) (Optica Publishing Group, 2011),
  • paper CH_P10

Analysis and simulation of optical response of Au-nanoparticle-fixed beads for optical sensors of microscopic local environment

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Abstract

Metallic nanoparticles (NPs) have extensively been studied for various applications such as biosensor, electronic devices and so on. For example, an array film of gold nanoparticles (AuNPs) has been used for the detection of DNA by the electric current. Furthermore, the recent development of our techniques allow us to realize low-pollution and low-cost fabrication of the high density AuNP fixed plastic beads [2], whose small volume can be used in flexible electric connections and density of AuNPs is controllable. On the other hand, if we clarify the optical properties of such AuNP fixed beads, we could use them as a unique optical sensor making effective use of their characteristics. In this paper, therefore, we experimentally analyze the optical response of AuNP-fixed bead, and propose new types of optical sensors based on the self-consistent electromagnetic theory.

© 2011 Optical Society of America

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