Beam coupling in nanotube-doped nematic liquid-crystal films

Wei Lee*, Sheng Long Yeh, Chih Chao Chang, Chien Chih Lee

*Corresponding author for this work

研究成果: Article

24 引文 斯高帕斯(Scopus)

摘要

Diffraction gratings written in films of nematic liquid crystals doped with multiwall carbon nanotubes were investigated by measurements of exponential beam-coupling coefficients. These phase gratings were induced by the interference modulation of two coherent optical beams, in conjunction with an externally applied dc field. Systematic and consistent results of the gain properties indicate that the observed coherent-beam amplification depends strongly on the pump-to-probe intensity ratio.

原文English
頁(從 - 到)791-795
頁數5
期刊Optics Express
9
發行號13
DOIs
出版狀態Published - 1 一月 2001

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