Temperature tunable optical gratings in nematic elastomer |
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| Authors: | Emel Sungur Lo?c Mager Alex Boeglin Min-Hui Li Patrick Keller Kokou D Dorkenoo |
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| Institution: | 1. IPCMS-CNRS UMR 7504, 23 rue du L?ss, BP 43, 67034, Strasbourg Cedex 2, France
2. Institut Curie, CNRS 168, 26 rue d’Ulm, 75248, Paris Cedex 5, France
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| Abstract: | We have investigated the behaviour of temperature dependent periodic-index gratings fabricated in a nematic elastomer. The
gratings have been obtained by photopolymerisation under a microscopy apparatus. Contraction properties, as well as diffraction
properties, have been studied as a function of temperature. Unidirectional contraction has been demonstrated by means of circular
figure deformation and the polarisation dependency of the diffraction by the gratings has been determined. |
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