2008年
Toward practical application of cholesteric liquid crystals to tunable lasers
JOURNAL OF MATERIALS CHEMISTRY
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- 巻
- 18
- 号
- 25
- 開始ページ
- 3040
- 終了ページ
- 3043
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1039/b802461h
- 出版者・発行元
- ROYAL SOC CHEMISTRY
To realize practical application of cholesteric liquid crystals (CLCs) to photonic tunable laser devices, two efforts have been made: (1) photopolymerization and (2) use of third-harmonic generation (THG) for excitation. The proposed system is based on a spatial optical-pitch gradient in CLCs and doping of two organic dyes (Forster couple) with a concentration gradient. We obtained position-sensitive laser emissions covering the whole visible region (from 480 nm to 670 nm) in photopolymerized CLC films under excitation at 410 nm by an optical parametric oscillator. Preliminary data using more conventional pumping source (THG of a Nd:YAG laser) are also reported.
- リンク情報
- ID情報
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- DOI : 10.1039/b802461h
- ISSN : 0959-9428
- Web of Science ID : WOS:000256877400020