Dr. Cesare P. Umeton Profile

Dr. Cesare P. Umeton

at Univ della Calabria

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Author

Publications (8)

Proceedings Article | 7 March 2016 Paper

Nematic liquid crystals used to control photo-thermal effects in gold nanoparticles

Luigia Pezzi, Luciano De Sio, Giovanna Palermo, Alessandro Veltri, Tiziana Placido, Maria Lucia Curri, Nelson Tabiryan, Cesare Umeton

Proceedings Volume 9769, 97690C (2016) https://doi.org/10.1117/12.2216201

KEYWORDS: Nanoparticles, Liquid crystals, Absorption, Birefringence, Refractive index, Gold, Dielectrics, Spherical lenses, Thermal modeling, Plasmonics

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Proceedings Article | 5 September 2015 Presentation + Paper

Tunable Bragg extraction of light in photonic quasi crystals: dispersed liquid crystalline metamaterials

Massimo Rippa, Eugenia Bobeico, Cesare Umeton, Lucia Petti

Proceedings Volume 9565, 956516 (2015) https://doi.org/10.1117/12.2190362

KEYWORDS: Liquid crystals, Photonic crystals, Photonic devices, Crystals, Gold, Metamaterials, Nanostructuring, Switching, Optical filters, Refractive index

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Proceedings Article | 8 September 2011 Paper

Metallic subentities embedded in micro-periodic composite structure

L. De Sio, R. Caputo, U. Cataldi, J. Dintinger, H. Sellame, T. Scharf, C. Umeton

Proceedings Volume 8114, 81140I (2011) https://doi.org/10.1117/12.892777

KEYWORDS: Silver, Liquid crystals, Polymers, Diffraction gratings, Particles, Nanoparticles, Refractive index, Polarization, Composites, Plasmonics

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Proceedings Article | 8 September 2011 Paper

Universal soft matter template: from photonic to metamaterial applications

Cesare Umeton, Luciano De Sio, Roberto Caputo, Sameh Ferjani, Giuseppe Strangi, Roberto Bartolino

Proceedings Volume 8114, 81140W (2011) https://doi.org/10.1117/12.892781

KEYWORDS: Liquid crystals, Polymers, Metamaterials, Diffraction gratings, Silver, Photonic metamaterials, Holography, Nanoparticles, Chemistry, Composites

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Proceedings Article | 9 February 2007 Paper

Nematic liquid crystal cells for optical spatial solitons (nematicons)

A. De Luca, A. Veltri, L. Pezzi, G. Coschignano, C. Umeton, A. Alberucci, C. Conti, M. Peccianti, G. Assanto

Proceedings Volume 6487, 64870R (2007) https://doi.org/10.1117/12.717527

KEYWORDS: Interfaces, Spatial solitons, Liquid crystals, Glasses, Beam propagation method, Light wave propagation, Solitons, Polymers, Polarization, Optical properties

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Proceedings Article | 12 April 2001 Paper

Two-dimensional spatial solitons in nematic liquid crystals

Marco Peccianti, Cesare Umeton, Iam-Choon Khoo, Alfredo DeRossi, Gaetano Assanto

Proceedings Volume 4271, (2001) https://doi.org/10.1117/12.424716

KEYWORDS: Spatial solitons, Liquid crystals, Solitons, Polarization, Beam propagation method, Wave propagation, Glasses, Molecules, Thermography, Interfaces

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Proceedings Article | 30 October 1997 Paper

Complex nonlinear optical phenomena in nematic liquid crystals

Vincenzo Carbone, Gabriella Cipparrone, Danilo Duca, Carlo Versace, Cesare Umeton, Nelson Tabiryan

Proceedings Volume 3143, (1997) https://doi.org/10.1117/12.290762

KEYWORDS: Liquid crystals, Signal detection, Chaos, Laser optics, Polarization, Argon ion lasers, Beam splitters, Camera shutters, Lithium, Sensors

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Proceedings Article | 13 October 1995 Open Access

Demonstration of complex dynamics of light interaction with liquid crystals for educational purposes

Patrick LiKamWa, M. Soileau, Nelson Tabiryan, Cesare Umeton, Boris Zeldovich

Proceedings Volume 2525, (1995) https://doi.org/10.1117/12.224055

KEYWORDS: Liquid crystals, Nonlinear optics, Control systems, Complex systems, Crystals, Geometrical optics, Nonlinear dynamics, Visualization, Visual process modeling, Molecules

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