Prof. Juan Carlos Torres Zafra Profile

Prof. Juan Carlos Torres Zafra

at Univ Carlos III de Madrid

SPIE Involvement:

Author

Publications (8)

Proceedings Article | 30 May 2016 Paper

Dual-wavelength speckle-based SI-POF sensor for frequency detection and localization of remote vibrations

P. J. Pinzón, D. Montero, A. Tapetado, J. C. Torres, C. Vázquez

Proceedings Volume 9916, 99161Z (2016) https://doi.org/10.1117/12.2236832

KEYWORDS: Polymer optical fibers, Sensors, Speckle pattern, Vibrometry, Reflectivity, Mechanical sensors, Multiplexing, Distributed computing, Beam splitters, Optical fibers, Temperature metrology, Phase only filters, Fiber Bragg gratings

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Proceedings Article | 2 June 2014 Paper

Effects of elongation on polymer optical fiber power losses for sensing purposes

D. Montero, J. Torres, J. Zahr-Viñuelas, J. Pérez Castellanos, C. Vázquez

Proceedings Volume 9157, 91579W (2014) https://doi.org/10.1117/12.2059276

KEYWORDS: Polymer optical fibers, Optical fibers, Structural health monitoring, Refractive index, Polymethylmethacrylate, Sensors, Cladding, Fiber Bragg gratings, Signal attenuation, Structural analysis

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SPIE Journal Paper | 1 August 2011

Electrical modeling of tristate antiferroelectric liquid crystal devices

Juan Carlos Torres Zafra, Isabel Pérez Garcilópez, Virginia Urruchi del Pozo, José Sánchez Pena, Carlos Lucas

OE, Vol. 50, Issue 08, 081206, (August 2011) https://doi.org/10.1117/12.10.1117/1.3564817

KEYWORDS: Instrument modeling, LCDs, Liquid crystals, Capacitors, Transmittance, Dielectrics, Electro optical modeling, Dielectric spectroscopy, Electrodes, Optical engineering

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Proceedings Article | 12 September 2007 Paper

Tunable feedback resonator based on a nematic liquid crystal cell as variable capacitance

C. Marcos, J. C. Torres, J. M. S. Pena, I. Pérez, C. Vázquez

Proceedings Volume 6654, 66540U (2007) https://doi.org/10.1117/12.734435

KEYWORDS: Liquid crystals, Capacitance, Oscillators, Resonators, Inductance, Amplifiers, Capacitors, Resistors, Feedback loops, LCDs

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Proceedings Article | 25 June 2007 Paper

Temperature dependence of liquid crystal electrical response by impedance analysis

J. C. Torres, N. Gaona, I. Pérez, V. Urruchi, J. M. S. Pena

Proceedings Volume 6593, 65930Z (2007) https://doi.org/10.1117/12.722024

KEYWORDS: Transmittance, Liquid crystals, Temperature metrology, Electro optics, Switching, Phase measurement, LCDs, Measurement devices, Optical testing, Microscopes

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Proceedings Article | 10 May 2007 Paper

Enhanced instrumentation system to characterize the electric behavior of AFLC displays

José M. Pena, José Santos, Juan Torres, Noemí Gaona, Carmen Vázquez, David Quesada

Proceedings Volume 6590, 65901R (2007) https://doi.org/10.1117/12.722099

KEYWORDS: Capacitors, LCDs, Switching, Liquid crystals, Virtual colonoscopy, Linear filtering, Amplifiers, Clocks, Electro optics, Electrodes

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Proceedings Article | 7 July 2005 Paper

Row and column drivers for addressing full color and video rate antiferroelectric liquid crystal microdisplays

J. Sanchez-Pena, J. Santos, R. Manzanares, I. Perez, V. Urruchi, J. Torres

Proceedings Volume 5840, (2005) https://doi.org/10.1117/12.608579

KEYWORDS: LCDs, Liquid crystals, Video, Light emitting diodes, Prototyping, Electro optics, Flat panel displays, Signal generators, Oscilloscopes, Switches

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Proceedings Article | 7 July 2005 Paper

Liquid crystal materials with asymmetric switching for microdisplay applications

V. Urruchi, I. Perez, J. M. Pena, J. C. Torres, R. Manzanares, X. Quintana, J. M. Oton

Proceedings Volume 5840, (2005) https://doi.org/10.1117/12.608384

KEYWORDS: Liquid crystals, Switching, Transmittance, Atrial fibrillation, Electro optics, Video, LCDs, Multiplexing, Manufacturing, Measurement devices

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Showing 5 of 8 publications

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