ON MEASUREMENT OF VISCOSITY AND ELASTICITY CONSTANTS

被引:0
|
作者
KOVALEV, AA
SADOVSKY, VN
USOVA, NA
机构
[1] Institute of electronics, BSSR Academy of Sciences, Minsk
关键词
D O I
10.1080/15421409208048235
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
It is shown that it is possible to determine such NLC constants as viscosity, elasticity and thermoconductivity simultaneously by measuring the NLC eigenmode relaxation times using the probing beam diffraction on the refractive index grating excited by short laser pulses. The amplitudes of gratings have been calculated. Optimal conditions for excitation and detection of the gratings have been pointed out.
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页码:1 / 9
页数:9
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