Academic Journal
Enhanced optoelastic interaction range in liquid crystals with negative dielectric anisotropy
| العنوان: | Enhanced optoelastic interaction range in liquid crystals with negative dielectric anisotropy |
|---|---|
| المؤلفون: | Simoni, Francesco, Lalli, S., Lucchetti, Liana, Criante, L., Brasselet, Etienne |
| المساهمون: | Consorzio Nazionale Interuniversitario per la Struttura della Materia (CNISM), Sezione di Napoli, Dipartimento di Scienze e Ingegneria della Materia, dell'Ambiente ed Urbanistica, Università Politecnica delle Marche Ancona (UNIVPM), Center for Nano Science and Technology@PoliMi, Instituto Italiano di Tecnologia, Laboratoire Ondes et Matière d'Aquitaine (LOMA), Université de Bordeaux (UB)-Centre National de la Recherche Scientifique (CNRS) |
| المصدر: | ISSN: 0003-6951. |
| بيانات النشر: | HAL CCSD American Institute of Physics |
| سنة النشر: | 2014 |
| المجموعة: | Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
| مصطلحات موضوعية: | [PHYS.PHYS.PHYS-OPTICS]Physics [physics]/Physics [physics]/Optics [physics.optics] |
| الوصف: | International audience ; We demonstrate that the long-range interaction between surface-functionalized microparticles immersed a nematic liquid crystal--a "nematic colloid"--and a laser-induced "ghost colloid" can be enhanced by a low-voltage quasistatic electric field when the nematic mesophase has a negative dielectric anisotropy. The optoelastic trapping distance is shown to be enhanced by a factor up to 2.5 in presence of an electric field. Experimental data are quantitatively described with a theoretical model accounting for the spatial overlap between the orientational distortions around the microparticle and those induced by the trapping light beam itself. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| Relation: | hal-00927719; https://hal.archives-ouvertes.fr/hal-00927719; https://hal.archives-ouvertes.fr/hal-00927719/document; https://hal.archives-ouvertes.fr/hal-00927719/file/SimoniAPL2014_PostPrint.pdf |
| DOI: | 10.1063/1.4861473 |
| الاتاحة: | https://hal.archives-ouvertes.fr/hal-00927719 https://hal.archives-ouvertes.fr/hal-00927719/document https://hal.archives-ouvertes.fr/hal-00927719/file/SimoniAPL2014_PostPrint.pdf https://doi.org/10.1063/1.4861473 |
| Rights: | http://creativecommons.org/licenses/by-nc/ ; info:eu-repo/semantics/OpenAccess |
| رقم الانضمام: | edsbas.BDB4B991 |
| قاعدة البيانات: | BASE |
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