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Director sliding induced by a circularly polarised light in dye-doped liquid crystals

✍ Scribed by L. Lucchetti; L. Tifi; F. Simoni


Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
260 KB
Volume
281
Category
Article
ISSN
0030-4018

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Variation of nonlinear refractive index
✍ Antonio A. RodrΓ­guez-Rosales; Omar G. Morales-Saavedra; Carlos J. RomΓ‘n-Moreno; πŸ“‚ Article πŸ“… 2008 πŸ› Elsevier Science 🌐 English βš– 887 KB

We report in this work on the simultaneous presence of both positive and negative nonlinear optical (NLO) refractive indexes measured in methyl-red dye doped 5CB liquid crystal (LC). Characterization of these materials was performed according to the Z-Scan technique under cw He-Ne laser irradiation,