Optical nonlinearity by photoinduced variation of intermolecular forces in liquids and liquid crystals

被引：0
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作者：
Marrucci, Lorenzo [1 ]
机构：
[1] Universita `Federico II', Napoli, Italy
来源：
Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals | 1998年 / 321卷 / pt 2期
关键词：
Charge transfer - Dyes - Friction - Molecular orientation - Nonlinear optics;
D O I：
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学科分类号：
摘要：
Recent experimental and theoretical results on the optical nonlinearity associated with molecular reorientation in dye-doped liquids and liquid crystals are reviewed. The variation of intermolecular forces experienced by a photo-excited dye molecule and the resulting change of molecular-statistical parameters such as rotational friction and orientational energy appear to be at the core of this effect. Photoinduced intramolecular charge transfer could be the cause of such variation. The angular momentum conservation is also discussed.
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页码：57 / 75
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