Twist-Defect-Mode Lasing in Photopolymerized Cholesteric Liquid Crystal
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概要
- 論文の詳細を見る
The twist defect mode (TDM) has been experimentally demonstrated in the transmission spectrum of a composite film consisting of two photopolymerized cholesteric liquid crystal (PCLC) layers. The self-organized helical structure of PCLC acts as a one-dimensional (1-D) photonic crystal, and the twist defect which is a discontinuity of the director rotation around the helix axis at an interface of two PCLC layers, induces the TDM. Optically pumped laser action based on the TDM has also been observed in a dye-doped double composite PCLC film. At a high excitation energy above the threshold, the laser action has been observed at the TDM wavelength in the middle of the 1-D photonic band gap of the PCLC helical structure.
- Publication Office, Japanese Journal of Applied Physics, Faculty of Science, University of Tokyoの論文
- 2003-05-01
著者
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Ozaki Ryotaro
Department Of Electrical And Electronic Engineering National Defense Academy
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Yoshino Katsumi
Department Of Electrical Engineering Faculty Of Engineering Osaka University
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Matsui Tatsunosuke
Department O Electronic Engineering Graduate School Of Engineering Osaka University
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Ozaki Masanori
Department Of Electrical Electronic And Informational Engineering Osaka University
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Ozaki Masanori
Department of Electronic Engineering, Graduate School of Engineering, Osaka University, 2-1 Yamada-Oka, Suita, Osaka 565-0871, Japan
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