Light propagation within colloidal crystal wire fabricated by a dewetting process

Tadashi Mitsui, Yutaka Wakayama, Tsunenobu Onodera, Yosuke Takaya, Hidetoshi Oikawa

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)

Abstract

We present a colloidal crystal wire composed of thousands of connected microspheres that is fabricated by a simple dewetting process utilizing a drain phenomenon, and we directly observe the light propagation within the wire by near-field scanning optical microscopy. The optical properties of propagation light suggest that the propagation mechanism was attributed mainly to nanojet-induced mode coupling for the straight propagation component and partly to whispering-gallery mode coupling within the colloidal crystal wire.

Original languageEnglish
Pages (from-to)853-858
Number of pages6
JournalNano Letters
Volume8
Issue number3
DOIs
Publication statusPublished - 2008 Mar 1

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering

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