Nematic liquid crystal optical dispersion in the visible-near infrared range

被引：49
|
作者：
Tkachenko, Volodymyr [1 ,2 ]
Abbate, Giancarlo [1 ,2 ]
Marino, Antigone [1 ,2 ]
Vita, Francesco [1 ,2 ]
Giocondo, Michele [3 ,4 ]
Mazzulla, Alfredo [3 ,4 ]
Ciuchi, Federica [3 ,4 ]
De Stefano, Luca [5 ]
机构：
[1] Univ Naples Federico II, INFM Coherentia, Via Cinthia MS Angelo 80126, I-80126 Naples, Italy
[2] Univ Naples Federico II, Dept Phys Sci, Naples, Italy
[3] Univ Calabria, Licryl, Liquid Crystal Lab, CNR,INFM, Rome, Italy
[4] Univ Calabria, Dept Phys, Rome, Italy
[5] CNR, IMM, Naples, Italy
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2006年 / 454卷
关键词：
ellipsometry; half leaky guided mode; liquid crystal; optical dispersion model; refractive index;
D O I：
10.1080/15421400600655816
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A commercial variable angle spectroscopic ellipsometer from J. A. Woollam Company is modified in order to make possible measurements in guiding structures. The half leaky guided mode technique is realised for liquid crystal optical dispersion measurements. Features and problems related to experimental data interpretation and error sources in the refractive index measurements are carefully analyzed, achieving a final accuracy of 0.0002. We present the measured optical dispersion curves in the wavelength range from 0.5 to 1.7 mu m for two widely studied liquid crystals, namely E7 and 5CB.
引用
收藏
页码：263 / 271
页数：9
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