Sergio Bleda
YOU?
Author Swipe
View article: Estimation of the speed of sound waves using a modular 3D printed Helmholtz resonator
Estimation of the speed of sound waves using a modular 3D printed Helmholtz resonator Open
This work shows the redesign of an elemental experience based on the Helmholtz resonator using 3D printing. A Helmholtz resonator is based on a volume and at least one opening that can include a tube or not. The air column inside the tube …
View article: Accurate, Efficient and Rigorous Numerical Analysis of 3D H-PDLC Gratings
Accurate, Efficient and Rigorous Numerical Analysis of 3D H-PDLC Gratings Open
This work presents recent results derived from the rigorous modelling of holographic polymer-dispersed liquid crystal (H-PDLC) gratings. More precisely, the diffractive properties of transmission gratings are the focus of this research. Th…
View article: Wave-couplers for see-through applications on photopolymers
Wave-couplers for see-through applications on photopolymers Open
Nowadays, wearable eyeglasses and waveguides are one of the most promising applications in photonics for the holographic recording materials. Holographic techniques structures together with the optimized recording materials permit the fabr…
View article: Study of the imaging characteristics of holographic waveguides
Study of the imaging characteristics of holographic waveguides Open
In this work we study and characterize and holographic waveguide system composed of two volume diffraction gratings, which act as optical couplers and a glass substrate that acts as a waveguide. The features such us high diffraction effici…
View article: Holographic waveguides in photopolymers
Holographic waveguides in photopolymers Open
The possibilities that offer the holographic optical elements for photovoltaic and "see through display" applications open new windows for holographic recording materials. In this sense, some specific characteristics are required for each …
View article: Anamorphic and Local Characterization of a Holographic Data Storage System with a Liquid-Crystal on Silicon Microdisplay as Data Pager
Anamorphic and Local Characterization of a Holographic Data Storage System with a Liquid-Crystal on Silicon Microdisplay as Data Pager Open
In this paper, we present a method to characterize a complete optical Holographic Data Storage System (HDSS), where we identify the elements that limit the capacity to register and restore the information introduced by means of a Liquid Cr…
View article: Measurement of the refractive index profile of an optical fiber by Fresnel diffraction
Measurement of the refractive index profile of an optical fiber by Fresnel diffraction Open
In this work we present a non-destructive technique based on Fresnel diffraction to obtain the refractive index profile of a fiber grating. The system has been firstly calibrated by using the experimental data of the diffraction pattern of…
View article: Simplified physical modeling of parallel-aligned liquid crystal devices at highly non-linear tilt angle profiles
Simplified physical modeling of parallel-aligned liquid crystal devices at highly non-linear tilt angle profiles Open
In recent works, we demonstrated the accuracy and physical relevance of a highly simplified reverse-engineering analytical model for a parallel-aligned liquid crystal on silicon devices (PA-LCoS). Both experimental measurements and computa…
View article: Numerical Analysis of H-PDLC Using the Split-Field Finite-Difference Time-Domain Method
Numerical Analysis of H-PDLC Using the Split-Field Finite-Difference Time-Domain Method Open
In this work, an accurate numerical modeling of the diffraction properties of transmission holographic polymer dispersed liquid crystal (H-PDLC) gratings is presented. The method considers ellipsoid geometry-based liquid crystal (LC) dropl…
View article: Optimization of Photopolymer Materials for the Fabrication of a Holographic Waveguide
Optimization of Photopolymer Materials for the Fabrication of a Holographic Waveguide Open
In this work, we present a method of manufacturing an optical see-through display based on a holographic waveguide with transmission holograms that couple the incident light between air and the glass substrate, accomplishing total internal…
View article: Front Matter: Volume 9889
Front Matter: Volume 9889 Open
status: Published
View article: Analysis of volume holograms using the technique of Green's tensor
Analysis of volume holograms using the technique of Green's tensor Open
The holographic storage of information is based on the interference of two waves: the reference wave and the object wave, the latter is generated by using a spatial light modulator, and in the case of applications of data storage this corr…
View article: Finite-difference analysis of high demanding computational problems in optical periodic nonlinear media
Finite-difference analysis of high demanding computational problems in optical periodic nonlinear media Open
The application of nonlinear materials in photonic crystals and periodic optical media in general has been extensively investigated in literature but currently numerical simulation, which is necessary in the design of sophisticated photoni…
View article: Efficient split field FDTD analysis of third-order nonlinear materials in two-dimensionally periodic media
Efficient split field FDTD analysis of third-order nonlinear materials in two-dimensionally periodic media Open
In this work the split-field finite-difference time-domain method (SF-FDTD) has been extended for the analysis of two-dimensionally periodic structures with third-order nonlinear media. The accuracy of the method is verified by comparisons…
View article: Analysis of holographic data storage using a PA-LCoS device
Analysis of holographic data storage using a PA-LCoS device Open
Holographic data storage systems (HDSS) have been a promising and very appealing technology since the first laser developments in the sixties. Impact of ongoing advances in the various components needs to be explored in its specific applic…