Measurement of refractive index modulation on PMMA/E49/TNF/ECZ polymer-dispersed liquid crystal by fiber F-P interferometer
HAN Ren-xue
Dept.of Mathematics and Mechanics,Heilongjiang Institute of Science and Technology,Harbin 150027,China
Abstract:
The fiber Fabry-Perot interferometer used to measure the refractive index modulation of polymer-dispersed liquid crystal is introduced.From measuring the quantity of the interference fringe shift with a CCD based on the theory of isoclinal interference fringes formatting,the maximal refractive index modulation versus different external voltages,3.899×10-3 in the external voltage of 57.4 V/μm,and the dynamic refractive index modulation versus response time in the external voltage of 8 V/μm are found in our prepared 1.250 mm-thick PMMA/E49/TNF/ECZ polymer-dispersed liquid crystals.The experimental results will be helpful to understand the photoinduced reaction mechanism of the material and optimize the mixture ratio of each component.
Key words: refractive index modulation F-P interferometer PMMA/E49/TNF/ECZ
DOI：10.11916/j.issn.1005-9113.2009.04.010
Clc Number:TN253
Fund:
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Measurement of refractive index modulation on PMMA/E49/TNF/ECZ polymer-dispersed liquid crystal by f
本站小编 哈尔滨工业大学/2019-10-23
相关话题/Measurement refractive index modulation PMMA
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