Article (Scientific journals)
Temperature variation of the photoinduced birefringence of an azo dye doped polymer
Blanche, Pierre-Alexandre; Lemaire, Philippe; Maertens, Christophe et al.
1999In Polymer Engineering and Science, 39 (3), p. 406-412
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Keywords :
optical properties; birefringence
Abstract :
[en] The influence of the temperature on the photoinduced birefringence on an azo dye doped polymer film has been studied. Sample is composed of a polymer matrix PVK (Poly(N-vinylcarbazole)), doped with 10 weight percent (wt%) of the birefringent molecule DMNPAA (2,5-dimethyl-4-(p-nitrophenylazo)anisole) and 30 wt% of ECZ (N-ethylcarbazole) which acts as a plasticizer. Theoretical results can explain the behavior of the amplitude of the photoinduced birefringence versus temperature. Experimental and theoretical results are compared. Holographic recording experiments based on photoinduced birefringence have been carried out. Based on the effect of temperature, we have been able to significantly increase the diffraction efficiency of our sample.
Research center :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Materials science & engineering
Chemistry
Author, co-author :
Blanche, Pierre-Alexandre ;  Université de Liège - ULiège > Centre Spatial de Liège (CSL)
Lemaire, Philippe ;  Université de Liège - ULiège > Centre Spatial de Liège (CSL)
Maertens, Christophe;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Dubois, Philippe;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Jérôme, Robert ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Language :
English
Title :
Temperature variation of the photoinduced birefringence of an azo dye doped polymer
Publication date :
March 1999
Journal title :
Polymer Engineering and Science
ISSN :
0032-3888
eISSN :
1548-2634
Publisher :
John Wiley & Sons, Inc. - Engineering
Volume :
39
Issue :
3
Pages :
406-412
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 18 June 2009

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