Tuning the photonic band gap in cholesteric liquid crystals by temperature-dependent dopant solubility.
نویسندگان
چکیده
We have investigated the physical and optical properties of the left-handed chiral dopant ZLI-811 mixed in a nematic liquid crystal (LC) host BL006. The solubility of ZLI-811 in BL006 at room temperature is ~24 wt%, but can be enhanced by increasing the temperature. Consequently, the photonic band gap of the cholesteric liquid crystal (CLC) mixed with more than 24 wt% chiral dopant ZLI-811 is blue shifted as the temperature increases. Based on this property, we demonstrate two applications in thermally tunable band-pass filters and dye-doped CLC lasers.
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عنوان ژورنال:
- Optics express
دوره 14 3 شماره
صفحات -
تاریخ انتشار 2006