3C12 Advantage of Using Highly Ordered Polymer-Dyes for Lasing in Chiral Nematic Liquid Crystals

概要

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We have studied lasing in dye-doped chiral nematic liquid crystals (N^*LCs). In order to show the advantage of using a polymer dye, that is well aligned along the local director of N^*LCs, over commercial small molecule dyes such as DCM, comparative studies of fluorescence spectra, lasing conditions and order parameters have been made using polymer-dye doped N^*LC and DCM-doped N^*LC cells. Right- and left-circularly polarized fluorescence spectra in both dyes were well simulated by taking account of their density of modes and order parameters. These results indicate that the well ordered polymer dye in N^*LCs provides us with an ideal dye for lasing.
日本液晶学会の論文
2003-10-14