Experimental determination of the helicoidal electric field inside a twisted mesophase, in the selective reflection band |
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Authors: | Gilles Joly Hassane Azzioui Noë l Isaert Abdelkader Barroug |
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Abstract: | We consider the interface between a twisted birefringent mesophase and an isotropic medium. In the selective reflection band, when illuminated at normal incidence, the interface creates a coupling between the located dielectric reflection and the spread selective reflection. This coupling enables experimental measurement of the standing electric field orientation inside the liquid crystal. |
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