Dr. Eduardo Tepichin-Rodriguez Profile

Dr. Eduardo Tepichin-Rodriguez

Senior Researcher at INAOE

SPIE Involvement:

Author

Publications (83)

Proceedings Article | 19 September 2018 Presentation + Paper

Application of adaptive photodetectors and the Talbot effect to measure the focal length of a lens

Ponciano Rodríguez-Montero, Eduardo Tepichín-Rodríguez

Proceedings Volume 10747, 1074709 (2018) https://doi.org/10.1117/12.2320119

KEYWORDS: Visibility, Sensors, Diffraction, Diffraction gratings, Ronchi rulings, Photodetectors, Image processing, Spherical lenses, Image sensors, Signal generators

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Proceedings Article | 22 August 2017 Paper

An advanced arrangement of the optical spectrograph based on acousto-optical and cross-disperser techniques for astronomical applications

Alexandre Shcherbakov, Adan Omar Arellanes, Eduardo Tepichin Rodríguez, Vahram Chavushyan

Proceedings Volume 10453, 1045331 (2017) https://doi.org/10.1117/12.2276366

KEYWORDS: Spectroscopy, Spectral resolution, Astronomy, Light scattering, Spectrographs

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Proceedings Article | 22 August 2017 Paper

Multi-arm spectrometer for parallel frequency analysis of radio-wave signals oriented to astronomical observations

Alexandre Shcherbakov, Miguel Chavez Dagostino, Adan Omar Arellanes, Eduardo Tepichin Rodriguez

Proceedings Volume 10453, 1045339 (2017) https://doi.org/10.1117/12.2276437

KEYWORDS: Astronomy, Spectroscopy, Radio optics, Acousto-optics, Spectrum analysis

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Proceedings Article | 22 August 2017 Paper

Detection of low frequency, out-of-plane vibrations by the Talbot effect and adaptive photodetectors

P. Rodríguez-Montero, E. Tepichín-Rodríguez, N. Korneev

Proceedings Volume 10453, 1045338 (2017) https://doi.org/10.1117/12.2276434

KEYWORDS: Photodetectors, Metrology, Interferometry, Visibility, Gallium arsenide, Oscilloscopes, Michelson interferometers

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Proceedings Article | 28 September 2016 Presentation + Paper

Optical performance of a PDMS tunable lens with automatically controlled applied stress

Angel Cruz-Felix, Agustín Santiago-Alvarado, Arturo Hernández-Méndez, Emilio Reyes-Pérez, Eduardo Tepichín-Rodriguez

Proceedings Volume 9947, 99470F (2016) https://doi.org/10.1117/12.2238348

KEYWORDS: Lens design, Crystals, Imaging systems, Eye, Adaptive optics, Optical components, Monochromatic aberrations, Wavefronts, Point spread functions, Fringe analysis

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Proceedings Article | 3 September 2015 Paper

Manufacture and analysis of a refractive surface with variable asphericity to model the human cornea

Ángel Cruz-Félix, Agustin Santiago Alvarado, Fernando Iturbide-Jiménez, Emilio Reyes-Pérez, Estela López-Olazagasti, Eduardo Tepichín-Rodríguez

Proceedings Volume 9578, 95780D (2015) https://doi.org/10.1117/12.2188946

KEYWORDS: Eye models, Cornea, Eye, Optics manufacturing, Visual process modeling, 3D modeling, Manufacturing, Aspheric lenses, Data modeling, Interferometry

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Proceedings Article | 22 August 2014 Paper

Construction and validation of a Shack-Hartmann type aberrometer

L. Valdivieso-González, G. Ramírez Zavaleta, E. López Olazagasti, S. Balderas-Mata, E. Tepichín Rodríguez

Proceedings Volume 9286, 92861S (2014) https://doi.org/10.1117/12.2063824

KEYWORDS: Eye, Wavefronts, Adaptive optics, Wavefront sensors, In vivo imaging, Eye models, Retina, Imaging systems, Cameras, Mirrors

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Proceedings Article | 18 November 2013 Paper

Emmetropic eyes: objective performance and clinical reference

Eduardo Tepichín-Rodríguez, Angel Cruz Felix, Estela López-Olazagasti, Sandra Balderas-Mata

Proceedings Volume 8785, 8785G5 (2013) https://doi.org/10.1117/12.2027930

KEYWORDS: Objectives, Monochromatic aberrations, Image quality, Zernike polynomials, Wavefront sensors, Wavefront aberrations, Eye, Retina, Laser optics, Data centers

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Proceedings Article | 25 October 2012 Paper

Comparison of refractive power maps from a reference surface: geometric versus Zernike power polynomials

Angel Cruz Felix, Sandra Balderas-Mata, Estela López-Olazagasti, Eduardo Tepichín-Rodríguez

Proceedings Volume 8499, 849907 (2012) https://doi.org/10.1117/12.930219

KEYWORDS: Wavefront aberrations, Eye, Refractor telescopes, Wavefronts, Cornea, Zernike polynomials, Surgery, Refraction, Optical spheres, Visual optics

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Proceedings Article | 19 October 2012 Paper

An optimized adaptive optics experimental setup for in vivo retinal imaging

S. Balderas-Mata, L. Valdivieso González, G. Ramírez Zavaleta, E. López Olazagasti, E. Tepichin Rodriguez

Proceedings Volume 8487, 84870P (2012) https://doi.org/10.1117/12.930209

KEYWORDS: Adaptive optics, Eye, Wavefronts, Imaging systems, Lenses, Retina, Monochromatic aberrations, In vivo imaging, Retinal scanning, Wavefront sensors

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Proceedings Article | 15 October 2012 Paper

Graphical user interface (GUIDE) for the control of two methods of recovery profiles for tridimensional objects

Marco Canchola Chávez, Estela López Olazagasti, Gustavo Ramírez Zavaleta, Jorge Ibarra Galitzia, Eduardo Tepichín Rodríguez

Proceedings Volume 8499, 849922 (2012) https://doi.org/10.1117/12.930331

KEYWORDS: Human-machine interfaces, Image processing, Fourier transforms, Phase shifts, Algorithm development, Visualization, Image acquisition, 3D modeling, 3D scanning, Structured light

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Proceedings Article | 15 October 2012 Paper

Reconstruction of tridimensional objects with two different textures using Gaussian model

Luis David Lara-Rodríguez, Elizabeth López-Meléndez, Jorge Ibarra Galitzia, Estela López-Olazagasti, Eduardo Tepichín-Rodríguez

Proceedings Volume 8499, 84992A (2012) https://doi.org/10.1117/12.930204

KEYWORDS: 3D modeling, Image segmentation, Reconstruction algorithms, Reflectivity, Light, Error analysis, Systems modeling, Ceramics, Data modeling, Statistical modeling

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Proceedings Article | 3 November 2011 Paper

Objective performance of a set of uncorrected 20/20 normal eyes: clinical reference

E. Tepichín, E. López-Olazagasti, D. Sánchez-de-la-Llave, Angel Cruz Félix, G. Ramírez-Zavaleta, J. Ibarra

Proceedings Volume 8011, 80119F (2011) https://doi.org/10.1117/12.902211

KEYWORDS: Modulation transfer functions, Point spread functions, Eye, Visualization, Wavefront aberrations, Surgery, Drug discovery, Cornea, Laser vision correction, Laser therapeutics

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Proceedings Article | 15 October 2011 Paper

Analysis of incidence of keratoconus in relatives of patients who underwent corneal transplant due to advanced keratoconus using the Orbscan II topographic graphs

Estela López Olazagasti, César Hernández y del Callejo, Jorge Ibarra-Galitzia, Gustavo Ramírez-Zavaleta, Eduardo Tepichín

Proceedings Volume 8287, 828705 (2011) https://doi.org/10.1117/12.906760

KEYWORDS: Cornea, Eye, Surgery, Monochromatic aberrations, Visualization, Statistical analysis, Lenses, Tissues, Contact lenses, Manufacturing

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Proceedings Article | 24 September 2011 Paper

Wavefront aberration function from hard contact lenses obtained with two different techniques

Angel Cruz Félix, Estela López-Olazagasti, David Sánchez-de-la-Llave, Gustavo Ramírez-Zavaleta, Eduardo Tepichín-Rodríguez

Proceedings Volume 8135, 813514 (2011) https://doi.org/10.1117/12.892919

KEYWORDS: Contact lenses, Wavefront aberrations, Wavefront sensors, Eye, Laser ablation, Surgery, Interferometers, Laser therapeutics, Wavefronts, Laser vision correction

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Proceedings Article | 8 September 2010 Paper

Comparison between two different methods to obtain the wavefront aberration function

Angel Cruz Félix, Jorge Ibarra, Estela López, Marco Rosales, Eduardo Tepichín

Proceedings Volume 7798, 77981U (2010) https://doi.org/10.1117/12.860929

KEYWORDS: Wavefronts, Wavefront sensors, Wavefront aberrations, Interferometers, Surgery, Contact lenses, Mach-Zehnder interferometers, Fringe analysis, Optical aberrations, Eye

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Proceedings Article | 8 September 2010 Paper

Refractive power maps of the anterior surface of the cornea according to different models

Lucerito Morales-Tellez, Marco Rosales, Estela López-Olazagasti, Gustavo Ramírez-Zavaleta, Eduardo Tepichín

Proceedings Volume 7798, 77981V (2010) https://doi.org/10.1117/12.860936

KEYWORDS: Cornea, Eye, Eye models, Monochromatic aberrations, Aspheric lenses, Ray tracing, MATLAB, Zemax, Visualization, Shape analysis

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Proceedings Article | 2 September 2009 Paper

Objective evaluation of the visual acuity in human eyes

M. A. Rosales, E. López-Olazagasti, G. Ramírez-Zavaleta, G. Varillas, E. Tepichín

Proceedings Volume 7443, 74430N (2009) https://doi.org/10.1117/12.826594

KEYWORDS: Eye, Point spread functions, Visualization, Modulation transfer functions, Surgery, Fourier transforms, Brain, Image processing, Neuroimaging, Diffraction

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Proceedings Article | 2 September 2009 Paper

Phase retrieval from a single interferometric pattern to determine the profile caused by laser ablation on spherical surfaces

M. I. Rodríguez-Rodríguez, E. López-Olazagasti, M. A. Rosales, Jorge Ibarra, E. Tepichín

Proceedings Volume 7443, 74431K (2009) https://doi.org/10.1117/12.826644

KEYWORDS: Wavefronts, Spherical lenses, Fringe analysis, Interferometry, Phase retrieval, Point spread functions, Contact lenses, Laser ablation, Surgery, Modulation transfer functions

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Proceedings Article | 2 September 2009 Paper

PSF and MTF comparison of two different surface ablation techniques for laser visual correction

Angel Sinue Cruz Félix, Estela López Olazagasti, Marco A. Rosales, Jorge Ibarra, Eduardo Tepichín Rodríguez

Proceedings Volume 7443, 74431E (2009) https://doi.org/10.1117/12.826649

KEYWORDS: Modulation transfer functions, Point spread functions, Wavefronts, Drug discovery, Laser ablation, Visualization, Wavefront aberrations, Laser vision correction, Data modeling, Eye models

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Proceedings Article | 1 September 2009 Paper

Application of the Talbot effect for three-dimensional and step-height measurement using an LCD

Elizabeth Vela-Esparza, Gustavo Ramírez-Zavaleta, Marco Antonio Rosales-Medina, Ponciano Rodríguez-Montero, Eduardo Tepichín-Rodríguez

Proceedings Volume 7442, 74420F (2009) https://doi.org/10.1117/12.826396

KEYWORDS: LCDs, 3D displays, CCD cameras, Distance measurement, Optical metrology, Collimation, Wavefronts, Spherical lenses, Software development, Visible radiation

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Proceedings Article | 5 August 2009 Paper

Characterization of the beam shaper and Fourier transform system in a prototype of the acousto-optical spectrometer for the Mexican Large Millimeter Telescope

Alexandre Shcherbakov, Daniel Sanchez Lucero, Abraham Luna Castellanos, Eduardo Tepichin Rodríguez

Proceedings Volume 7386, 738627 (2009) https://doi.org/10.1117/12.839812

KEYWORDS: Acoustics, Light scattering, Beam shaping, Spectroscopy, Crystals, Monochromatic aberrations, Tellurium, Prototyping, CCD cameras, Fourier transforms

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Proceedings Article | 3 September 2008 Paper

Digital holographic XNOR multi-gate (DHMG-XNOR)

Edmundo Rodriguez Vázquez, Eduardo Tepichin-Rodríguez

Proceedings Volume 7072, 70721B (2008) https://doi.org/10.1117/12.787442

KEYWORDS: Digital holography, Holography, Polarization, Binary data, LCDs, Crystals, Holograms, LabVIEW, Logic, Digital electronics

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Proceedings Article | 3 September 2008 Paper

Acousto-optical data processing exploiting the wave heterodyning

Alexandre Shcherbakov, Olga Belokurova, Eduardo Tepichin Rodriguez, Daniel Sánchez Lucero

Proceedings Volume 7072, 70721E (2008) https://doi.org/10.1117/12.795639

KEYWORDS: Acoustics, Heterodyning, Crystals, Data processing, Lead, Signal attenuation, Acousto-optics, Data modeling, Wave propagation, Liquids

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Proceedings Article | 3 September 2008 Paper

Applying the triple correlation functions to characterizing high-frequency repetition trains of picosecond optical pulses

A. Muñoz Zurita, A. Shcherbakov, E. Tepichin-Rodriguez, S. Nemov, J. Campos Acosta

Proceedings Volume 7072, 707204 (2008) https://doi.org/10.1117/12.795419

KEYWORDS: Picosecond phenomena, Interferometers, Correlation function, Interference (communication), Signal processing, Spatial coherence, Reconstruction algorithms, Astrophysics, Electronics, Applied physics

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Proceedings Article | 3 September 2008 Paper

Decoding software of computer instruction codified as Fourier holograms in a LiNbO3:Fe

E. E. Rodríguez Vázquez, E. Tepichín-Rodríguez

Proceedings Volume 7072, 70721A (2008) https://doi.org/10.1117/12.786676

KEYWORDS: Holograms, Binary data, Crystals, MATLAB, LabVIEW, Software development, Software, Distortion, Digital holography, Electro optical systems

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Proceedings Article | 29 August 2008 Paper

Steel hardness and their optical properties

J. Suárez-Romero, E. Tepichin-Rodríguez, E. Secundino-Palma, E. Hernández-Gómez

Proceedings Volume 7065, 706512 (2008) https://doi.org/10.1117/12.795966

KEYWORDS: Refractive index, Optical properties, Optical testing, Clouds, Reflectivity, Phase measurement, Polarizers, Polarization, Signal attenuation, Optical components

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Proceedings Article | 11 August 2008 Paper

Interferometric analysis of the ablation profile in refractive surgery

M. I. Rodríguez-Rodríguez, E. López-Olazagasti, M. A. Rosales, G. Ramírez-Zavaleta, R. Cantú, E. Tepichín

Proceedings Volume 7064, 70640W (2008) https://doi.org/10.1117/12.795501

KEYWORDS: Interferometry, Surgery, Eye, Laser ablation, Polymethylmethacrylate, Laser vision correction, Contact lenses, Excimer lasers, Cornea, Interferometers

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Proceedings Article | 11 August 2008 Paper

A new model for the anterior corneal surface using higher-order aspheric surfaces and variable eccentricity

Marco Rosales, M. Montserrat Juárez-Aubry, E. López-Olazagasti, Jorge Ibarra, Eduardo Tepichín

Proceedings Volume 7099, 709905 (2008) https://doi.org/10.1117/12.806438

KEYWORDS: Aspheric lenses, Eye models, Cornea, Data modeling, Mathematical modeling, Eye, Spherical lenses, Optical spheres, Visualization, Contact lenses

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Proceedings Article | 13 February 2008 Paper

Potential dynamic range in a scheme of the acousto-optical spectrometer providing light beam apodization for a large-aperture crystalline cell with linear acoustic losses

Alexandre Shcherbakov, Abraham Luna Castellanos, Eduardo Tepichin Rodriguez, Sandra Balderas Mata

Proceedings Volume 6890, 689018 (2008) https://doi.org/10.1117/12.764174

KEYWORDS: Acoustics, Phonons, Signal attenuation, Crystals, Light scattering, Spectroscopy, Apodization, Laser crystals, Solid state physics, Information technology

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Proceedings Article | 26 September 2007 Paper

The main peculiarities of arranging the optical scheme of acousto-optical spectrometer for the Mexican Large Millimeter Telescope

Alexandre Shcherbakov, Sandra E. Balderas Mata, Eduardo Tepichin Rodriguez, Abraham Luna Castellanos, Daniel Sanchez Lucero, Jewgenij Maximov

Proceedings Volume 6663, 66630O (2007) https://doi.org/10.1117/12.733243

KEYWORDS: Acoustics, Light scattering, Prisms, Spectroscopy, Crystals, Beam shaping, Diffraction, Glasses, Radio optics, Scattering

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Proceedings Article | 20 September 2007 Paper

Applying a two-phonon light scattering in crystals to the spectrum analysis of radio signals

Alexandre Shcherbakov, Jewgenij Maximov, Eduardo Tepichin Rodriguez, Sandra Eloisa Balderas Mata, Abraham Luna Casellanos, Jose Gabriel Aguilar Soto

Proceedings Volume 6695, 66950W (2007) https://doi.org/10.1117/12.732665

KEYWORDS: Light scattering, Acoustics, Crystals, Scattering, Signal attenuation, Tellurium, Spectrum analysis, Laser crystals, Refractive index, Signal analyzers

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SPIE Journal Paper | 1 May 2007

Dynamic noise elimination on 2-D periodic structures using a liquid crystal display as an incoherent reconfigurable spatial source

Angel Sauceda-Carvajal, Jorge Ibarra-Galitzia, Gustavo Ramirez Zabaleta, Eduardo Tepichin-Rodriguez

OE, Vol. 46, Issue 05, 058001, (May 2007) https://doi.org/10.1117/12.10.1117/1.2739640

KEYWORDS: LCDs, Optical engineering, Signal to noise ratio, Superposition, Mendelevium, Binary data, Denoising, Optical design, Microscopes, Interference (communication)

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Proceedings Article | 12 October 2006 Paper

Hardness measurements of metals with the complex refractive index

J. Suarez-Romero, J. Ramirez-Rangel, J. Resendiz-Barron, Z. Valdes-Barron, J. Gomez-Ramirez, E. Tepichin-Rodriguez, J. Solorio-Leyva

Proceedings Volume 6375, 637501 (2006) https://doi.org/10.1117/12.686719

KEYWORDS: Metals, Refractive index, Heat treatments, Polarization, Refraction, Reflection, Chemical elements, Dielectric polarization, Optical testing, Lanthanum

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Proceedings Article | 14 September 2006 Paper

Nonlinear transmission of the doped single-mode fibers and impact of the gain saturation on steady states of bright optical pulses

Alexandre Shcherbakov, E. Tepichin Rodriguez, M. Sanchez Sanchez

Proceedings Volume 6330, 63300J (2006) https://doi.org/10.1117/12.680792

KEYWORDS: Optical fibers, Nonlinear optics, Single mode fibers, Particles, Shape analysis, Dispersion, Sodium, Astrophysics, Electronics, Erbium

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Proceedings Article | 8 September 2006 Paper

Sculpturing four-wave solitons in periodic medium with a square-law nonlinearity

Alexandre Shcherbakov, Eduardo Tepichin Rodriguez, Arturo Aguirre Lopez

Proceedings Volume 6343, 63431I (2006) https://doi.org/10.1117/12.707751

KEYWORDS: Light scattering, Solitons, Scattering, Phonons, Optical components, Acoustics, Tellurium, Dielectrics, Americium, Dynamic light scattering

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Proceedings Article | 8 September 2006 Paper

Impact of the gain saturation on steady states of bit optical pulses in an erbium-doped single-mode fiber amplifier

Alexandre Shcherbakov, E. Tepichin Rodriguez, M. Sanchez Sanchez

Proceedings Volume 6343, 63430N (2006) https://doi.org/10.1117/12.707681

KEYWORDS: Fiber amplifiers, Optical amplifiers, Single mode fibers, Sodium, Curium, Dispersion, Atrial fibrillation, Astrophysics, Electronics, Solitons

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Proceedings Article | 30 August 2006 Paper

Minimum digital system emulated by a reconfigurable single-lens holographic memory

E. Rodríguez-Vázquez, H. Zúñiga-Osorio, A. Castro, D. Sánchez, E. Tepichín-Rodríguez

Proceedings Volume 6314, 63141N (2006) https://doi.org/10.1117/12.681290

KEYWORDS: Holography, Crystals, Logic, Binary data, Digital holography, LabVIEW, Structural health monitoring, Holograms, Electro optics, Optoelectronic devices

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Proceedings Article | 30 August 2006 Paper

Spatial modulators exploiting a multi-phonon light scattering in crystals

Alexandre Shcherbakov, Eduardo Tepichin Rodriguez, Yulia Ledeneva, Arturo Aguirre Lopez

Proceedings Volume 6311, 63110A (2006) https://doi.org/10.1117/12.681300

KEYWORDS: Light scattering, Scattering, Crystals, Modulators, Acoustics, Crystal optics, Phonons, Modulation, Laser scattering, Spatial light modulators

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Proceedings Article | 7 October 2005 Paper

Liquid crystal display as an optoelectronic demultiplexer

F. J. Rivera-López, E. Tepichín-Rodríguez, G. Ramírez-Zavaleta, A. Olivera-Ramírez, J. Suárez-Romero

Proceedings Volume 5947, 594714 (2005) https://doi.org/10.1117/12.625213

KEYWORDS: LCDs, Video, Demultiplexers, Optoelectronics, Semiconductor lasers, Photodiodes, Transmitters, Modulation, Frequency shift keying, Telecommunications

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Proceedings Article | 5 October 2005 Paper

Dark and bright dissipative optical solitons in erbium-doped single-mode fiber amplifier

Alexandre Shcherbakov, Eduardo Tepichin Rodriguez, Mauro Sanchez Sanchez

Proceedings Volume 5949, 59490D (2005) https://doi.org/10.1117/12.621985

KEYWORDS: Optical solitons, Fiber amplifiers, Optical amplifiers, Solitons, Sodium, Single mode fibers, Nonlinear optics, Absorption, Polarization, Astrophysics

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Proceedings Article | 29 September 2005 Paper

A multi-fold Bragg scattering of light by elastic waves with direct transitions between all the light modes

Alexandre Shcherbakov, Eduardo Tepichin Rodriguez, Arturo Aguirre Lopez

Proceedings Volume 5953, 59530Z (2005) https://doi.org/10.1117/12.623866

KEYWORDS: Light scattering, Scattering, Crystals, Surface plasmons, Acoustics, Crystal optics, Switching, Laser scattering, Polarization, Electronics

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Proceedings Article | 24 September 2005 Paper

Average PFS and MTF analysis of undilated normal virgin whole eyes

Eduardo Tepichin, Roberto Cantu, Marco Rosales, David Sanchez de la Llave, Jorge Ibarra Galitzia, Gustavo Ramirez Zavaleta, Andree Curioca, Victor Montes, Julio Bonilla

Proceedings Volume 5959, 59590B (2005) https://doi.org/10.1117/12.625207

KEYWORDS: Point spread functions, Modulation transfer functions, Monochromatic aberrations, Optical transfer functions, Eye, Wavefronts, Wavefront aberrations, Visualization, Diffraction, Spherical lenses

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Proceedings Article | 15 September 2005 Paper

Wave multiplication of binary encoded data exploiting solitary multipulse non-collinear three-wave coupled states

Alexandre Shcherbakov, Eduardo Tepichin Rodriguez, Arturo Aguirre Lopez

Proceedings Volume 5907, 59070T (2005) https://doi.org/10.1117/12.616101

KEYWORDS: Binary data, Acoustics, Crystals, Convolution, Electronics, Optical components, Transducers, Nonlinear crystals, Light scattering, Signal processing

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Proceedings Article | 18 April 2005 Paper

PSF and wavefront propagation analysis of the visual performance in undilated Mexican normal virgin whole eyes (UCVA ≥ 20/20, 20/30 and 20/40)

Eduardo Tepichin Rodriguez, Roberto Cantu, Marco Rosales, Sabino Chavez-Cerda, David Sanchez-Delal lave, Andrée Curioca, Victor Montes, Julio Bonilla

Proceedings Volume 5688, (2005) https://doi.org/10.1117/12.591851

KEYWORDS: Point spread functions, Eye, Drug discovery, Visualization, Wavefront aberrations, Modulation transfer functions, Optical transfer functions, Imaging systems, Visual analytics, Surgery

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Proceedings Article | 4 April 2005 Paper

Steady states of ultrashort dissipative optical solitons in erbium-doped fiber amplifier

Alexandre Shcherbakov, Eduardo Tepichin Rodriguez, Mauro Sanchez Sanchez

Proceedings Volume 5723, (2005) https://doi.org/10.1117/12.590798

KEYWORDS: Optical amplifiers, Optical solitons, Fiber amplifiers, Solitons, Ions, Data modeling, Absorption, Erbium, Polarization, Femtosecond phenomena

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Proceedings Article | 4 November 2004 Paper

Multiphonon scattering of light with direct transitions between optical modes in uniaxial single crystals and its application to an all-optical computing

Alexandre Shcherbakov, Eduardo Tepichin Rodriguez, Arturo Aguirre Lopez

Proceedings Volume 5556, (2004) https://doi.org/10.1117/12.559105

KEYWORDS: Light scattering, Crystals, Switching, Surface plasmons, Scattering, Acoustics, Optical amplifiers, Resistors, Laser crystals, Crystal optics

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Proceedings Article | 21 October 2004 Paper

Reproducibility improvement in color measurements of periodic objects

Jose-German Cortes-Reynoso, Jose Suarez-Romero, Juan Hurtado-Ramos, Eduardo Tepichin Rodriguez, Juan Solorio-Leyva

Proceedings Volume 5622, (2004) https://doi.org/10.1117/12.590805

KEYWORDS: Sensors, Signal detection, Radiometry, Integrating spheres, Diffraction, Spatial frequencies, Measurement devices, Reflectivity, Numerical simulations, Signal processing

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Proceedings Article | 21 October 2004 Paper

The size-of-source effect in practical measurements of radiance

Juan Solorio-Leyva, Jose Suarez-Romero, Juan Hurtado-Ramos, Eduardo Tepichin Rodriguez, Jose-German Cortes-Reynoso

Proceedings Volume 5622, (2004) https://doi.org/10.1117/12.590882

KEYWORDS: Radiometry, Sensors, Electromagnetic theory, Integrating spheres, Radio optics, Diffraction, Lanthanum, Laser optics, Direct methods, Detection theory

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Proceedings Article | 15 October 2004 Paper

Diffraction patterns in Fresnel approximation of periodic objects for a colorimeter of two apertures

Jose-German Cortes-Reynoso, Jose Suarez-Romero, Juan Hurtado-Ramos, Eduardo Tepichin-Rodriguez, Juan Carlos Solorio-Leyva

Proceedings Volume 5526, (2004) https://doi.org/10.1117/12.558774

KEYWORDS: Sensors, Diffraction, Spatial frequencies, Point spread functions, Near field diffraction, Signal detection, Numerical simulations, Radiometry, Radio optics, Stray light

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Proceedings Article | 15 October 2004 Paper

Radiation pyrometric measurements with distance to the source effect and size-of-the-source effect corrections

Juan Carlos Solorio-Leyva, Jose Suarez-Romero, Juan Hurtado-Ramos, Eduardo Tepichin-Rodriguez, Jose-German Cortes-Reynoso

Proceedings Volume 5526, (2004) https://doi.org/10.1117/12.558959

KEYWORDS: Distance measurement, Temperature metrology, Pyrometry, Black bodies, Sensors, Radiometry, Numerical analysis, Diffraction, Lanthanum, Metrology

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Proceedings Article | 3 May 2004 Paper

Nonlinear optical waves with the second Painleve transcendent shape of envelope in Kerr media

Alexandre Shcherbakov, Eduardo Tepichin Rodriguez, Mauro Sanchez Sanchez

Proceedings Volume 5480, (2004) https://doi.org/10.1117/12.558739

KEYWORDS: Nonlinear optics, Solitons, Ordinary differential equations, Wave propagation, Nonlinear filtering, Dispersion, Differential equations, Medium wave, Optical filters, Absorption filters

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Proceedings Article | 22 January 2004 Paper

Series representation of the instrument function of a two-aperture radiometer

Juan Solorio-Leyva, Jose Suarez-Romero, Juan Hurtado-Ramos, Eduardo Tepichin-Rodriguez, Jose Cortes-Reynoso

Proceedings Volume 5178, (2004) https://doi.org/10.1117/12.503965

KEYWORDS: Radiometry, Point spread functions, Bessel functions, Sensors, Nomenclature, Numerical simulations, Radio optics, Wave propagation, Liquid crystal on silicon, Diffraction

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Proceedings Article | 22 January 2004 Paper

Novel illumination geometry for color measurements in textile samples

Jose Cortes-Reynoso, Jose Suarez-Romero, Juan Hurtado-Ramos, Eduardo Tepichin-Rodriguez, Juan Solorio-Leyva

Proceedings Volume 5178, (2004) https://doi.org/10.1117/12.503734

KEYWORDS: Sensors, Radiometry, Reflectivity, Integrating spheres, Reflection, Optical spheres, Light sources, Lamps, Radio optics, Solids

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Proceedings Article | 12 December 2003 Paper

Optical switching based on a four-order scattering of light by coherent acoustic phonons in single crystals

Alexandre Shcherbakov, Eduardo Tepichin Rodriguez, Arturo Aguirre Lopez

Proceedings Volume 5201, (2003) https://doi.org/10.1117/12.504931

KEYWORDS: Light scattering, Phonons, Acoustics, Scattering, Crystals, Photons, Switching, Laser scattering, Logic devices, Polarization

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Proceedings Article | 19 November 2003 Paper

Application of optical guiding-center solitons to transmitting precise sync-signals through single-mode fibers

Alexandre Shcherbakov, Eduardo Tepichin Rodriguez

Proceedings Volume 4829, (2003) https://doi.org/10.1117/12.524832

KEYWORDS: Solitons, Single mode fibers, Picosecond phenomena, Computer simulations, Astrophysics, Electronics, Data processing, Singular optics, Shape analysis, Phase shift keying

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Proceedings Article | 19 November 2003 Paper

Optical switching based on a two-phonon scattering of light with direct coupling of all the optical modes in crystals

Alexandre Shcherbakov, Eduardo Tepichin Rodriguez, Arturo Aguirre Lopez

Proceedings Volume 4829, (2003) https://doi.org/10.1117/12.524828

KEYWORDS: Light scattering, Scattering, Crystal optics, Switching, Acoustics, Electronics, Crystals, Optical switching, Laser scattering, Free space optics

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Proceedings Article | 19 November 2003 Paper

Instrument function of a two-aperture radiometer

Jose Suarez-Romero, Eduardo Tepichin RodrIguez

Proceedings Volume 4829, (2003) https://doi.org/10.1117/12.524034

KEYWORDS: Radiometry, Diffraction, Sensors, Metrology, Astrophysics, Radio optics, Electronics, Calibration

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Proceedings Article | 10 November 2003 Paper

Coherent optical processing of UHF radio-wave electronic pulses via collinear acousto-optical interaction in a crystalline cell

Alexandre Shcherbakov, Eduardo Tepichin Rodriguez, Mauro Sanchez Sanchez

Proceedings Volume 5181, (2003) https://doi.org/10.1117/12.504949

KEYWORDS: Acoustics, Crystals, Light scattering, Lithium niobate, Heterodyning, Optical signal processing, Signal attenuation, Radar, Laser crystals, Signal detection

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Proceedings Article | 2 October 2003 Paper

High-speed optical interconect demultiplexing at the Fresnel plane

Felipe de Jesus Rivera-Lopez, Carlos Trevino-Palacios, Eduardo Tepichin-Rodriguez

Proceedings Volume 5264, (2003) https://doi.org/10.1117/12.515170

KEYWORDS: Modulators, Control systems, Modulation, Video, Signal processing, Spatial light modulators, Multiplexing, Semiconductor lasers, Optoelectronics, Demultiplexers

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Proceedings Article | 30 September 2003 Paper

Spatial frequency diversity in liquid crystal spatial light modulators applied to signal-to-noise ratio improvement in coherent optodigital processors

Angel Sauceda-Carvajal, Maximiliano Vera Perez, Victor Hugo Diaz Ramirez, Arturo Bocanegra-Haro, Eduardo Tepichin-Rodriguez

Proceedings Volume 5264, (2003) https://doi.org/10.1117/12.514677

KEYWORDS: Signal processing, Liquid crystals, Signal to noise ratio, Spatial frequencies, Electronics, Image filtering, Interference (communication), Transmittance, Optical filters, Particles

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Proceedings Article | 28 May 2003 Paper

Pose estimation using linear or nonlinear composite correlation filters and a neural network

Maria-Albertina Castro, Yann Frauel, Eduardo Tepichin, Bahram Javidi

Proceedings Volume 5014, (2003) https://doi.org/10.1117/12.473130

KEYWORDS: Image filtering, Nonlinear filtering, Neural networks, Linear filtering, Nonlinear dynamics, Composites, Error analysis, Distortion, Neurons, Optical filters

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Proceedings Article | 27 November 2002 Paper

Nonlinear phase contrast using a bacteriorhodopsin film

Marcelo Iturbe Castillo, J. Sanchez-de-la-Llave, Ruben Ramos Garcia, Eduardo Tepichin-Rodriguez, L. I. Olivos-Perez

Proceedings Volume 4789, (2002) https://doi.org/10.1117/12.456519

KEYWORDS: Phase contrast, Optical filters, Nonlinear filtering, Spherical lenses, Visibility, Fourier transforms, Optical alignment, Image analysis, Refractive index, Prisms

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Proceedings Article | 27 November 2002 Paper

Dynamic noise elimination on 2D periodic structures using an LCD as an incoherent spatial source

E. Rojas-Oropeza, J. Ibarra-Galitzia, G. Ramirez-Zavaleta, David Sanchez-de-la-Llave, Eduardo Tepichin-Rodriguez, E. Sanchez y Aguilera

Proceedings Volume 4789, (2002) https://doi.org/10.1117/12.450929

KEYWORDS: LCDs, Superposition, Mendelevium, Image processing, Astrophysics, Electronics, Iron, Diffraction gratings, Diffraction, Optical design

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Proceedings Article | 27 November 2002 Paper

Pose estimation combining synthetic discriminant function filters and neural networks

Maria-Albertina Castro, Yann Frauel, Eduardo Tepichin-Rodriguez, Bahram Javidi

Proceedings Volume 4789, (2002) https://doi.org/10.1117/12.469139

KEYWORDS: Neural networks, Image filtering, Error analysis, Composites, Optical filters, Linear filtering, Nonlinear filtering, Object recognition, 3D modeling, Stereoscopic cameras

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Proceedings Article | 15 November 2002 Paper

All-optical swtiching based on a three-order scattering of light by coherent acoustic phonons in single crystals

Alexandre Shcherbakov, Eduardo Tepichin Rodriguez, Arturo Aguirre Lopez

Proceedings Volume 4788, (2002) https://doi.org/10.1117/12.451610

KEYWORDS: Light scattering, Crystals, Switching, Acoustics, Scattering, Phonons, Logic devices, Data processing, Interferometry, Logic

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Proceedings Article | 27 December 2001 Paper

All-optical switching and logic based on a two-phonon light scattering

Alexandre Shcherbakov, Eduardo Tepichin-Rodriguez

Proceedings Volume 4490, (2001) https://doi.org/10.1117/12.455415

KEYWORDS: Light scattering, Logic, Scattering, Logic devices, Switching, Crystals, Laser scattering, Dielectrics, Polarization, Optical logic

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Proceedings Article | 14 August 2001 Paper

Lacunarity control on fractal and random rough surfaces

Gustavo Ramirez Zabaleta, Eduardo Tepichin-Rodriguez, Mario Lehman

Proceedings Volume 4419, (2001) https://doi.org/10.1117/12.437121

KEYWORDS: Fractal analysis, Laser systems engineering, Binary data, Speckle, Image processing, Laser optics, Particles, Speckle pattern, Radio propagation, Optical inspection

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Proceedings Article | 14 August 2001 Paper

Explanation of the law of conservation of radiance using the theory of partial coherence

Jose Suarez-Romero, Eduardo Tepichin-Rodriguez

Proceedings Volume 4419, (2001) https://doi.org/10.1117/12.437181

KEYWORDS: Diffraction, Sensors, Coherence (optics), Radio optics, Laser optics, Visualization, Metrology, Geometrical optics, Optical testing, Radiometry

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Proceedings Article | 14 August 2001 Paper

Shearing interferometry to analyze two-dimensional fractal gratings

Gustavo Ramirez Zabaleta, Eduardo Tepichin-Rodriguez, Mario Lehman, Mario Garavaglia

Proceedings Volume 4419, (2001) https://doi.org/10.1117/12.437122

KEYWORDS: Fractal analysis, Interferometry, Lanthanum, Diffraction gratings, Electromagnetism, Superposition, Wavefronts, Laser optics, Metrology, Diffraction

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Proceedings Article | 9 March 2001 Paper

Guiding-center solitons of the first order, associated with the complex cubic Landau-Ginzburg equation

Alexandre Shcherbakov, Eduardo Tepichin-Rodriguez, Alexey Kosarsky

Proceedings Volume 4354, (2001) https://doi.org/10.1117/12.418826

KEYWORDS: Solitons, Picosecond phenomena, Antennas, Optical fibers, Dispersion, Lawrencium, Single mode fibers, Optical solitons, Computer simulations, Electronics

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Proceedings Article | 15 December 2000 Paper

New irradiance approach for evaluation of diffraction errors

Jose Suarez-Romero, Eduardo Tepichin-Rodriguez, Klaus Mielenz

Proceedings Volume 4087, (2000) https://doi.org/10.1117/12.406384

KEYWORDS: Diffraction, Radiometry, Standards development, Radio propagation, Near field diffraction, Sensors, Metrology, Copper, Electroluminescence, Near field optics

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Proceedings Article | 19 July 1999 Paper

Spectral radiant flux density of a circular aperture in the Fresnel approximation

Jose Suarez-Romero, Eduardo Tepichin-Rodriguez, Klaus Mielenz

Proceedings Volume 3749, (1999) https://doi.org/10.1117/12.354955

KEYWORDS: Numerical simulations, Metrology, Copper, Electroluminescence, Radio optics, Radiometry, Diffraction, Optical character recognition

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Proceedings Article | 19 July 1999 Paper

Interfering Bessel beams: theory, experiment, and applications

Sabino Chavez-Cerda, Eduardo Tepichin-Rodriguez, Gustavo Ramirez Zabaleta, Jandir Hickmann

Proceedings Volume 3749, (1999) https://doi.org/10.1117/12.354985

KEYWORDS: Bessel beams, Photography, Superposition, Free space, Wave propagation interference, Free space optics, Numerical simulations, Tin, Neon, Laser cutting

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Proceedings Article | 19 July 1999 Paper

Fractional Hilbert transform and isotropic Hilbert transform for two-dimensional objects: numerical simulation

M. Torres, Eduardo Tepichin-Rodriguez, Adolf Lohmann, David Sanchez, Gustavo Ramirez Zabaleta

Proceedings Volume 3749, (1999) https://doi.org/10.1117/12.354828

KEYWORDS: Numerical simulations, Computer simulations, Gold, Anisotropy, Holography, Optical filters, Image filtering, Anisotropic filtering, Image display

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Proceedings Article | 6 July 1999 Paper

Automatic system for phase shift measurement using correlation

H. Gonzalez-Gonzalez, D. May-Arrioja, M. Meneses-Nava, Eduardo Tepichin-Rodriguez, Jose Javier Sanchez-Mondragon

Proceedings Volume 3572, (1999) https://doi.org/10.1117/12.358365

KEYWORDS: Phase shifts, Phase measurement, Spatial light modulators, Interferometers, CCD cameras, Mirrors, Fringe analysis, Phase shifting, Modulation, Moire patterns

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SPIE Journal Paper | 1 January 1997

Optical synthesis of periodic wavefields

Eduardo Tepichin-Rodriguez, Gustavo Ramirez Zabaleta, Adolf Lohmann, Victor Arrizon

OE, Vol. 36, Issue 01, (January 1997) https://doi.org/10.1117/12.10.1117/1.601163

KEYWORDS: Polarization, Diffraction gratings, Prisms, Ronchi rulings, Holography, Diffraction, Spatial filters, Polarizers, Modulation, Holograms

Proceedings Article | 5 February 1996 Paper

Synthesis of polarization gratings

Mauricio Ortiz-Gutierrez, Eduardo Tepichin-Rodriguez, Victor Arrizon

Proceedings Volume 2730, (1996) https://doi.org/10.1117/12.231068

KEYWORDS: Polarization, Linear polarizers, Modulation, Binary data, Jones vectors, Polarizers, Semiconductors, Photomasks, Transmittance, Spatial filters

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Proceedings Article | 5 February 1996 Paper

Polychromatic interconnections: classical approach

Eduardo Tepichin-Rodriguez, Jose Suarez-Romero, Gustavo Ramirez Zabaleta

Proceedings Volume 2730, (1996) https://doi.org/10.1117/12.231065

KEYWORDS: Holography, Sensors, Multiplexing, Holograms, Diffraction gratings, Holographic materials, Diffraction, Spatial frequencies, Free space, Image processing

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SPIE Journal Paper | 1 October 1995

Hue, brightness, and saturation manipulation of diffractive colors

Eduardo Tepichin-Rodriguez, Jose Suarez-Romero, Gustavo Ramirez Zabaleta

OE, Vol. 34, Issue 10, (October 1995) https://doi.org/10.1117/12.10.1117/12.210744

KEYWORDS: Holography, Holograms, Diffraction, Diffraction gratings, Polarization, Mirrors, 3D image reconstruction, Spatial filters, Visibility, Astrophysics

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