Listar FCA_Articles por autoría "7b66bec8-ace4-4eb1-817c-facde3cd51ad"
Mostrando ítems 1-4 de 4
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Poincaré-sphere representation of phase-mostly twisted nematic liquid crystal spatial light modulators
Durán, Vicente; Clemente Pesudo, Pedro Javier; Martínez-León, Lluís; Climent, Vicent; Lancis, Jesús Institute of Physics (2009)We establish necessary conditions in order to design a phase-only wave front modulation system from a liquid crystal display. These conditions determine the dependence of the polarization state of the light emerging from ... -
Spatial-chirp compensation in dynamical holograms reconstructed with ultrafast lasers
Martínez-León, Lluís; Clemente Pesudo, Pedro Javier; Tajahuerce, Enrique; Mínguez-Vega, Gladys; Mendoza-Yero, Omel; Fernández Alonso, Mercedes; Lancis, Jesús; Climent, Vicent; Andrés, Pedro American Institute of Physics (2008)A computer generated hologram (CGH) reconstructed with a sub-100-fs laser pulse at the focal plane of a conventional refractive lens experiences a large amount of spatial chirp. We report the shaping of a 12 fs laser pulsed ... -
Use of polar decomposition of Mueller matrices for optimizing the phase response of a liquid-crystal- on-silicon display
Martínez-León, Lluís; Clemente Pesudo, Pedro Javier; Durán, Vicente; Climent, Vicent; Tajahuerce, Enrique; Lancis, Jesús Optical Society of America (2008)We provide experimental measurement of the Mueller matrices corresponding to an on-state liquid-crystal-on-silicon display as a function of the addressed voltage. The polar decomposition of the Mueller matrices determines ... -
Use of principal states of polarization of a liquid crystal device to achieve a dynamical modulation of broadband beams
Durán, Vicente; Clemente Pesudo, Pedro Javier; Lancis, Jesús Optical Society of America (2009)A spatially resolved polarization switcher operating over a bandwidth of 200 nm is demonstrated. The system is based on liquid crystal technology and no specific-purpose birefringent element is required. The procedure is ...