Light propagation within colloidal crystal wire fabricated by a dewetting process

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

doi:10.1021/nl073006w

Light propagation within colloidal crystal wire fabricated by a dewetting process

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

ENG - Materials Science

Research output: Contribution to journal › Article › peer-review

41 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 language	English
Pages (from-to)	853-858
Number of pages	6
Journal	Nano Letters
Volume	8
Issue number	3
DOIs	https://doi.org/10.1021/nl073006w
Publication status	Published - 2008 Mar

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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.",

author = "Tadashi Mitsui and Yutaka Wakayama and Tsunenobu Onodera and Yosuke Takaya and Hidetoshi Oikawa",

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AU - Mitsui, Tadashi

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AU - Onodera, Tsunenobu

AU - Takaya, Yosuke

AU - Oikawa, Hidetoshi

PY - 2008/3

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AB - 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.

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Light propagation within colloidal crystal wire fabricated by a dewetting process

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