Lasing in Cholesteric Liquid Crystal Oriented by Acoustic Streaming
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概要
- 論文の詳細を見る
We have demonstrated lasing in cholesteric liquid crystals (CLCs) of various thicknesses oriented by acoustic streaming. Although alignment control of CLC molecules in a thick cell is difficult, acoustic streaming can change the CLC alignment from a focal conic state to a planar state by molecular flow. The molecular reorientation leads to making a large uniform CLC layer that can function as a laser cavity. Therefore, laser action cannot be observed in the untreated thick cells because of the focal conic state, while a sharp emission appears from the thick cells treated by acoustic streaming. Furthermore, lasing wavelength shifts with a small wavelength interval are realized using a large cavity.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2008-02-25
著者
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MORITAKE Hiroshi
Department of Electrical and Electronic Engineering, National Defense Academy
-
Ozaki Masanori
Division Of Cardiovascular And Respiratory Medicine Department Of Internal Medicine Kobe University
-
Shinpo Toshikazu
Department Of Electrical And Electronic Engineering National Defense Academy
-
Ozaki Ryotaro
Department Of Electrical And Electronic Engineering National Defense Academy
-
Ozaki Masanori
Division of Electrical, Electronic and Information Engineering, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
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Shinpo Toshikazu
Department of Electrical and Electronic Engineering, National Defense Academy, 1-10-20 Hashirimizu, Yokosuka, Kanagawa 239-8686, Japan
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