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- 山本 洋平
- 筑波大学 数理物質系
書誌事項
- タイトル別名
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- Self-Assembled Conjugated Polymer Microsphere Resonators and Lasers
- キョウヤク ポリマー カラ ナル ジコ ソシキカ マイクロ キュウタイ キョウシンキ ト レーザー ハッシン
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説明
We present self-assembled conjugated polymer microspheres that act as whispering gallery mode (WGM) resonators. For the preparation of conjugated polymer microspheres, vapor diffusion and miniemulsion methods are adopted. For the vapor diffusion method to obtain microspheres, amorphous aggregation of the polymers are crucial by introducing sterically bulky moieties that largely twists the polymer main chain. Focused laser irradiation to the perimeter of the microspheres excites WGM, where sharp and periodic lines appear in the PL spectrum. With a benefit of the high light confinement properties, we demonstrate long distance, directional, and efficient light energy transfer and wavelength conversion through bispheres. Furthermore, WGM lasing is achieved from conjugated polymer microspheres upon femtosecond pumping. Conjugated polymer microsphere resonators have advantages of high photoabsorptivity, high refractive index, and inherent conducting properties, as well as the simple fabrication process, which are valuable for applications to optical circuits, electrically-driven lightings, and chemical and biological sensors
収録刊行物
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- レーザー研究
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レーザー研究 46 (1), 25-, 2018
一般社団法人 レーザー学会
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詳細情報 詳細情報について
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- CRID
- 1391412881267358208
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- NII論文ID
- 130007957396
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- NII書誌ID
- AN00255326
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- ISSN
- 13496603
- 03870200
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- NDL書誌ID
- 028812898
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
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- KAKEN
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- 抄録ライセンスフラグ
- 使用不可