Prof. Rita Asquini Profile

Prof. Rita Asquini

Engineer at Sapienza Univ di Roma

SPIE Involvement:

Author

Publications (12)

Proceedings Article | 29 August 2019 Paper

Optical waveguides and tunable devices made of a liquid crystal core in PDMS channels

Antonio d'Alessandro, Luca Civita, Rita Asquini, Cesare Chiccoli, Paolo Pasini

Proceedings Volume 11092, 110920W (2019) https://doi.org/10.1117/12.2530293

KEYWORDS: Brain-machine interfaces

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Proceedings Article | 1 September 2017 Paper

Voltage- and temperature- controlled LC:PDMS waveguide channels

Katarzyna Rutkowska, Rita Asquini, Antonio d'Alessandro

Proceedings Volume 10455, 104550X (2017) https://doi.org/10.1117/12.2283028

KEYWORDS: Channel waveguides, Waveguides, Liquid crystals, Microfluidics

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Proceedings Article | 11 March 2015 Paper

Liquid crystal waveguide technologies for a new generation of low-power photonic integrated circuits

Antonio d'Alessandro, Luca Martini, Luca Civita, Romeo Beccherelli, Rita Asquini

Proceedings Volume 9384, 93840L (2015) https://doi.org/10.1117/12.2078891

KEYWORDS: Waveguides, Liquid crystals, Silicon, Polarization, Refractive index, Electro optics, Integrated optics, Glasses, Light wave propagation, Silica

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Proceedings Article | 12 September 2013 Paper

Tunable photonic devices based on liquid crystals and composites

R. Asquini, A. d'Alessandro

Proceedings Volume 8828, 88280T (2013) https://doi.org/10.1117/12.2025147

KEYWORDS: Liquid crystals, Electrodes, Refractive index, Optical filters, Waveguides, Modulation, Glasses, Electro optics, Tunable filters, Polymers

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Proceedings Article | 11 September 2013 Paper

Surface photovoltage as a tool to monitor the effect of hydrogen treatment on a-Si:H/c-Si heterojunction

L. Martini, L. Serenelli, R. Asquini, D. Caputo, G. de Cesare, M. Izzi, M. Tucci

Proceedings Volume 8823, 88230U (2013) https://doi.org/10.1117/12.2024178

KEYWORDS: Hydrogen, Annealing, Silicon, Plasma, Interfaces, Semiconductors, Heterojunctions, Solar cells, Plasma treatment, Crystals

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SPIE Journal Paper | 1 July 2011

Integrated Bragg reflectors in low-index media: enabling strategies for wavelength tunability in electro-optic liquid crystals

Rita Asquini, Giovanni Gilardi, Antonio d'Alessandro, Gaetano Assanto

OE, Vol. 50, Issue 07, 071108, (July 2011) https://doi.org/10.1117/12.10.1117/1.3559210

KEYWORDS: Electrodes, Liquid crystals, Refractive index, Reflectors, Modulation, Electro optics, Light wave propagation, Reflectivity, Waveguides, Glasses

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Proceedings Article | 18 August 2010 Paper

Nonlinear switching of near infrared light in liquid crystal on silicon channel waveguides

Antonio d'Alessandro, Rita Asquini, Marco Trotta, Romeo Beccherelli

Proceedings Volume 7775, 777510 (2010) https://doi.org/10.1117/12.861763

KEYWORDS: Liquid crystals, Waveguides, Silicon, Silica, Refractive index, Switching, Light wave propagation, Channel waveguides, Electro optics, Geometrical optics

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Proceedings Article | 18 May 2010 Paper

Tunable integrated optical filters based on sapphire microspheres and liquid crystals

Giovanni Gilardi, Hasan Yilmaz, Mohammed Sharif Murib, Rita Asquini, Antonio d'Alessandro, Ali Serpengüzel, Romeo Beccherelli

Proceedings Volume 7719, 77191E (2010) https://doi.org/10.1117/12.855978

KEYWORDS: Liquid crystals, Refractive index, Optical spheres, Waveguides, Glasses, Sapphire, Optical filters, Finite element methods, Integrated optics, Tunable filters

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Proceedings Article | 15 October 2004 Paper

Integrated optic devices using liquid crystals: design and fabrication issues

Antonio d'Alessandro, Rita Asquini, Robert Bellini, Domenico Donisi, Romeo Beccherelli

Proceedings Volume 5518, (2004) https://doi.org/10.1117/12.560034

KEYWORDS: Waveguides, Liquid crystals, Polymers, Refractive index, Switches, Integrated optics, Electrodes, Glasses, Polarization, Optical filters

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Proceedings Article | 5 January 2004 Paper

Performance optimization of optical switches in ferroelectric liquid crystals and polymers operating at 1550 nm

Rita Asquini, Claudio Gizzi, Romeo Beccherelli, Antonio d'Alessandro

Proceedings Volume 5213, (2004) https://doi.org/10.1117/12.506844

KEYWORDS: Waveguides, Polymers, Liquid crystals, Refractive index, Optical switching, Switches, Ferroelectric LCDs, Channel waveguides, Polymer multimode waveguides, Switching

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Proceedings Article | 14 August 2003 Paper

Design of a wideband tunable AWG using electro-optic polymers and push-pull electrode configuration for ultrafast photonic switching applications

Rita Asquini, Antonio d'Alessandro, Andrea Salusti, Claudio Gizzi

Proceedings Volume 5246, (2003) https://doi.org/10.1117/12.511274

KEYWORDS: Waveguides, Electrodes, Electro optics, Polymers, Electro optic polymers, Refractive index, Silicon, Phase shifts, Switching, Thermal optics

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Proceedings Article | 14 August 2003 Paper

Experimental evaluation of an all-optical cross-connect based on micro-electro-mechanical system switches

Rita Asquini, Rita Mancini, Antonio d'Alessandro, Margherita Valentino, Mario Signorazzi, Gaetano Vespasiano

Proceedings Volume 5246, (2003) https://doi.org/10.1117/12.511253

KEYWORDS: Switches, Switching, Optical fibers, Mirrors, Eye, Signal attenuation, Microelectromechanical systems, Wavelength division multiplexing, Polarization, Channel projecting optics

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Showing 5 of 12 publications

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