Dr. Andres Diaz Profile

Dr. Andres Diaz

Research Professor

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Author

Publications (23)

Proceedings Article | 12 April 2021 Presentation + Paper

Extraction of precise object orientation and position from LIDAR data using maximum-likelihood methods

Esen Salcin, Andres Diaz, Travis Sawyer, Jonathan Friedman

Proceedings Volume 11744, 1174404 (2021) https://doi.org/10.1117/12.2585586

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Proceedings Article | 12 April 2021 Presentation + Paper

Using principle component analysis to estimate geometric parameters from point cloud LIDAR data

Travis Sawyer, Andres Diaz, Esen Salcin, Jonathan Friedman

Proceedings Volume 11744, 1174403 (2021) https://doi.org/10.1117/12.2585574

KEYWORDS: LIDAR, Clouds, Statistical analysis, Navigation systems, Algorithm development, Unmanned vehicles, Sensors, Sensing systems, Robotics, Principal component analysis

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Proceedings Article | 6 September 2017 Presentation + Paper

2D and 3D graphical representation of the propagation of electromagnetic waves at the interface with a material with general effective complex permittivity and permeability

A. Diaz, J. Ramos, J. Friedman

Proceedings Volume 10367, 1036704 (2017) https://doi.org/10.1117/12.2274664

KEYWORDS: Interfaces, Wave propagation, Refractive index, Software development, Photonics, Electromagnetic radiation, Phase velocity, Electromagnetism, Metamaterials, Optics education

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Proceedings Article | 27 September 2016 Open Access

Photonics workforce education and development in Puerto Rico

J. Friedman, A. Diaz, E. Trujillo, R. Saltares, L. Floran, R. Gordillo

Proceedings Volume 9946, 99460K (2016) https://doi.org/10.1117/12.2238083

KEYWORDS: Photonics, Aerospace engineering, Scanning transmission electron microscopy, Laser applications, Laser optics, Electronics, Internships, Laser systems engineering, Laser safety, Standards development

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Proceedings Article | 27 September 2016 Open Access

Development of a photonics outreach and education program through partnerships at Universidad Metropolitana for Puerto Rico and the IYL

A. Diaz, J. Friedman, R. Saltares, R. Gordillo, E. Trujillo

Proceedings Volume 9946, 994606 (2016) https://doi.org/10.1117/12.2238039

KEYWORDS: Outreach programs, Photonics, Scanning transmission electron microscopy, Video, Laser development, Observatories, Mathematics, Fiber lasers, Laser optics, Laser applications

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Proceedings Article | 8 October 2015 Open Access

Photonics outreach and education through partnerships in Puerto Rico

Jonathan Friedman, Andres Diaz, Roger Saltares, Sarah Luciano, Nerivette Molina, Smailyn Martinez, Alejandro Hernandez, Johan de Jesus, Yesenia Rivera, Antonio Capeles, Felipe Alvear, Jesus Lopez, Miguel Rivera, Rey Saurez, Elsa Trujillo

Proceedings Volume 9793, 97932X (2015) https://doi.org/10.1117/12.2223243

KEYWORDS: Photonics, Video, Aerospace engineering, Adaptive optics, Laser development, Observatories, Wave propagation, Web 2.0 technologies, Medical devices, Ray tracing

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Proceedings Article | 8 October 2015 Open Access

Propagation of electromagnetic waves through homogeneous media

Andres Diaz, Jonathan Friedman, Sarah Luciano, Smailyn Martinez, Alejandro Hernandez, Johan de Jesus, Nerivette Molina, Jose Ramos, Alexander Casañas, Pedro Maldonado

Proceedings Volume 9793, 97930I (2015) https://doi.org/10.1117/12.2223070

KEYWORDS: Radio propagation, Wave propagation, Geometrical optics, Photonics, Human-machine interfaces, Interfaces, Computer science, Electromagnetic radiation, Light wave propagation, Refractive index

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Proceedings Article | 27 August 2008 Paper

Refractive index engineering of liquid crystals with nano-particulates

Andres Diaz, Yi Ma, Junbin Huang, Justin Liou, Jae Hong Park, Iam Choon Khoo

Proceedings Volume 7050, 705013 (2008) https://doi.org/10.1117/12.794269

KEYWORDS: Refractive index, Silver, Liquid crystals, Gold, Nanoparticles, Birefringence, Absorption, Optical properties, Particles, Optical spheres

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Proceedings Article | 12 September 2007 Paper

Tunable refractive index materials with metallic nano-spheres dispersed in organic liquids

Andres Diaz, Shoichi Kubo, Yan Tang, Justin Liou, Theresa Mayer, Iam Choon Khoo, Thomas Mallouk

Proceedings Volume 6654, 66540V (2007) https://doi.org/10.1117/12.736552

KEYWORDS: Refractive index, Gold, Silver, Nanoparticles, Liquids, Liquid crystals, Optical spheres, Absorption, Optical properties, Dielectrics

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Proceedings Article | 12 September 2007 Paper

Nonlinear dye-doped liquid crystals for fast and broadband CW and long-pulse laser power control and switching

J. Liou, J. Park, M. Stinger, A. Diaz, J. Huang, I. Khoo

Proceedings Volume 6654, 66540T (2007) https://doi.org/10.1117/12.732431

KEYWORDS: Liquid crystals, Switching, Polarization, Polarizers, Continuous wave operation, Anisotropy, Birefringence, Optical limiting, Beam controllers, Modulation

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Proceedings Article | 12 September 2007 Paper

Dynamic polarization switching and stimulated orientational scattering in nematic liquid crystals

Michael Stinger, Andres Diaz, Justin Liou, Iam-Choon Khoo

Proceedings Volume 6654, 66540S (2007) https://doi.org/10.1117/12.732419

KEYWORDS: Liquid crystals, Polarization, Scattering, Laser scattering, Switching, Argon ion lasers, Energy transfer, Numerical simulations, Light scattering, Distortion

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Proceedings Article | 12 September 2007 Paper

Nanosecond-cw visible-IR all-optical switching and nonlinear transmission with nonlinear organic optical liquids and liquid crystals

I. Khoo, A. Diaz, J. Liou, J. Park, M. Stinger, S. Kubo, T. Mallouk

Proceedings Volume 6654, 66540D (2007) https://doi.org/10.1117/12.732578

KEYWORDS: Liquid crystals, Liquids, Nonlinear optics, Continuous wave operation, Optical limiting, Fiber lasers, Switching, Pulsed laser operation, Optical switching, Infrared radiation

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Proceedings Article | 9 May 2007 Paper

Liquid crystalline nonlinear optical metamaterials with low-loss tunable negative-zero-positive refractive indices

I. C. Khoo, A. Diaz, D.-H. Kwon, D. H. Werner

Proceedings Volume 6587, 658702 (2007) https://doi.org/10.1117/12.721506

KEYWORDS: Liquid crystals, Refractive index, Metamaterials, Terahertz radiation, Liquids, Crystals, Dielectrics, Birefringence, Nonlinear optics, Nonlinear crystals

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Proceedings Article | 7 February 2007 Paper

Nano-spheres dispersed liquid crystal supra-nonlinear negative-zero-positive index metamaterials

I. C. Khoo, A. Diaz

Proceedings Volume 6470, 64700P (2007) https://doi.org/10.1117/12.705758

KEYWORDS: Liquid crystals, Refractive index, Metamaterials, Terahertz radiation, Birefringence, Nonlinear optics, Optical spheres, Liquids, Crystals, Light scattering

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Proceedings Article | 15 September 2006 Paper

Liquid crystal cladded metallo-dielectric and all-dielectric frequency selective surfaces for broadband tunable optical filters and planar negative index optics

A. Diaz, I. Khoo, J. Bossard, D. Werner

Proceedings Volume 6332, 63320W (2006) https://doi.org/10.1117/12.679865

KEYWORDS: Liquid crystals, FSS based metamaterials, Optical filters, Terahertz radiation, Refractive index, Metamaterials, Dielectrics, Genetic algorithms, Nanofabrication, Tunable filters

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Proceedings Article | 16 December 2004 Paper

Nonlinear molecular photonics and controlled laser transmission through a nonlinear fiber array

Andres Diaz, Iam Choon Khoo

Proceedings Volume 5621, (2004) https://doi.org/10.1117/12.582658

KEYWORDS: Transmittance, Absorption, Liquids, Optical limiting, Saturable absorption, Molecules, Fiber lasers, Nonlinear optics, Molecular photonics, Laser beam propagation

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Proceedings Article | 15 October 2004 Paper

All-optical self-induced polarization switching by two-wave mixing in nematic liquid crystals

Iam Khoo, Jianwu Ding, Andres Diaz

Proceedings Volume 5518, (2004) https://doi.org/10.1117/12.563062

KEYWORDS: Liquid crystals, Laser scattering, Scattering, Polarization, Switching, Two wave mixing, Visible radiation, Infrared radiation, Crystals, Thin films

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Proceedings Article | 5 January 2004 Paper

Supra-photorefractivity of C60- and carbon-nanotube-doped nematic liquid crystals

Iam-Choon Khoo, Yana Zhang, Andres Diaz, Jianwu Ding, Kan Chen

Proceedings Volume 5213, (2004) https://doi.org/10.1117/12.504367

KEYWORDS: Liquid crystals, Diffraction, Scattering, Diffraction gratings, Light scattering, Carbon nanotubes, Nonlinear optics, Molecules, Transient nonlinear optics, Carbon

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Proceedings Article | 3 November 2003 Paper

Multiphoton and excited-state absorptions of an organic liquid for optical limiting applications

Iam Choon Khoo, Andre Diaz, Jianwu Ding

Proceedings Volume 5211, (2003) https://doi.org/10.1117/12.509309

KEYWORDS: Absorption, Liquids, Optical limiting, Picosecond phenomena, Laser energy, Fiber lasers, Thin films, Molecules, Molecular photonics, Q switched lasers

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Proceedings Article | 9 July 2003 Paper

Statistical analyses of two-dimensional photonic bandgap waveguides containing structural deviations

Min-Yi Shih, Andres Diaz, Samhita Dasgupta, Matthew Nielsen

Proceedings Volume 5000, (2003) https://doi.org/10.1117/12.479814

KEYWORDS: Waveguides, Statistical analysis, Photonic crystals, Finite-difference time-domain method, Statistical modeling, Dielectrics, Radio propagation, Scattering, Computer simulations, 3D modeling

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Proceedings Article | 12 December 2002 Paper

All-optical polarization conversion of cw 1.55 um lasers with liquid crystals by stimulated scattering

Iam-Choon Khoo, Jianwu Ding, Kan Chen, Andrew Diaz

Proceedings Volume 4799, (2002) https://doi.org/10.1117/12.453286

KEYWORDS: Laser scattering, Liquid crystals, Scattering, Polarization, Continuous wave operation, Dielectric polarization, Laser crystals, Crystals, Birefringence, Light scattering

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Proceedings Article | 12 December 2002 Paper

Widely tunable nonlinear liquid crystal-based photonic crystals

Iam-Choon Khoo, Yana Zhang, Andrew Diaz, Jianwu Ding, Ivan Divliansky, Kito Holliday, Theresa Mayer, V. Crespi, David Scrymgeour, V. Gopalan

Proceedings Volume 4799, (2002) https://doi.org/10.1117/12.453287

KEYWORDS: Liquid crystals, Photonic crystals, Crystals, Refractive index, Liquids, Diffraction gratings, Switching, Nonlinear crystals, Switches, Pulsed laser operation

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Proceedings Article | 29 November 2000 Paper

Modeling nonlinear photonics of nonlinear fiber core for optical limiting application

Iam-Choon Khoo, Michael Wood, Pao Chen, Min-Yi Shih, Atsushi Shishido, Andrew Diaz

Proceedings Volume 4106, (2000) https://doi.org/10.1117/12.408510

KEYWORDS: Absorption, Pulsed laser operation, Optical limiting, Liquids, Fiber lasers, Continuous wave operation, Nonlinear optics, Liquid crystals, Picosecond phenomena, Thermal effects

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Showing 5 of 23 publications

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