A NEW NONLINEAR-OPTICAL METHOD TO MEASURE THE ELASTIC-ANISOTROPY OF LIQUID-CRYSTALS

被引：12

作者：

SANTAMATO, E ^{[1
]}

CIARAMELLA, E ^{[1
]}

TAMBURRINI, M ^{[1
]}

机构：

[1] FDN UGO BORDONI,I-00142 ROME,ITALY

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1994年 / 241卷

关键词：

D O I：

10.1080/10587259408029757

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

A new method to measure the elastic anisotropy of liquid crystals is presented. The method is based on the determination of the transverse spatial decay of the molecular director profile across the shadow region of a truncated laser beam intense enough to reorient the sample. The effective optical Kerr constant due to laser-induced reorientation is simultaneously obtained.

引用

页码：205 / 214

页数：10

共 14 条

[1] REFRACTIVE-INDEXES, DENSITY AND ORDER PARAMETER OF SOME TECHNOLOGICALLY IMPORTANT LIQUID-CRYSTALLINE MIXTURES [J].

BAHADUR, B ;

SARNA, RK ;

BHIDE, VG .

MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 1982, 72 (5-6) :139-145

[2] OPTICAL-FIELD-INDUCED BIREFRINGENCE AND FREEDERICKSZ TRANSITION IN A NEMATIC LIQUID-CRYSTAL [J].

DURBIN, SD ;

ARAKELIAN, SM ;

SHEN, YR .

PHYSICAL REVIEW LETTERS, 1981, 47 (19) :1411-1414

[3]

Gourlay A.R., 1971, IMA J APPL MATH, V7, P216, DOI [10.1093/imamat/7.2.216, DOI 10.1093/IMAMAT/7.2.216]

[4]

KHOO IC, 1988, PROGR OPTICS, V26, P107

[5] GENERALIZED-METHOD FOR NEMATIC-LIQUID-CRYSTAL VISCOELASTIC-CONSTANT DETERMINATION BY QUASI-ELASTIC LIGHT-SCATTERING [J].

MIRALDI, E ;

TROSSI, L ;

VALABREGA, PT ;

OLDANO, C .

NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA B-BASIC TOPICS IN PHYSICS, 1980, 60 (02) :165-186

[6]

Ong H. L., 1986, MOL CRYST LIQ CRYST, V132, P45

[7] OPTICALLY INDUCED FREEDERICKSZ TRANSITION AND BISTABILITY IN A NEMATIC LIQUID-CRYSTAL [J].

ONG, HL .

PHYSICAL REVIEW A, 1983, 28 (04) :2393-2407

[8] PHYSICAL-PROPERTIES OF NEW LIQUID-CRYSTAL MIXTURES AND ELECTROOPTICAL PERFORMANCE IN TWISTED NEMATIC DISPLAYS [J].

SCHADT, M ;

MULLER, F .

IEEE TRANSACTIONS ON ELECTRON DEVICES, 1978, 25 (09) :1125-1137

[9]

SIMONI F, 1989, PHYSICS LIQUID CRYST

[10] ORIENTATIONAL OPTICAL NONLINEARITY OF LIQUID-CRYSTALS [J].

TABIRYAN, NV ;

SUKHOV, AV ;

ZELDOVICH, BY .

MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 1986, 136 (01) :1-139

← 1 2 →