Prof. Luis Armando Díaz Torres Profile

Prof. Luis Armando Díaz Torres

Director of Graduate Studies Office at Centro de Investigaciones en Óptica AC

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Publications (17)

Proceedings Article | 4 October 2024 Presentation

Nanoparticle size modification due to annealing temperature and time in a glass matrix

Jorge Cervantes, Janet Elías, Alejandro Torres-Castro, Luis Diaz-Torres, Miguel Vallejo

Proceedings Volume PC13116, PC131160A (2024) https://doi.org/10.1117/12.3028168

KEYWORDS: Nanoparticles, Glasses, Annealing, Matrices, Mie scattering, Transmission electron microscopy, Photomicroscopy, X-ray diffraction, Silver, Plasmons

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Proceedings Article | 3 October 2024 Presentation

Color shifting properties of glass matrices by copper plasmons for tuning emission

Toscano Alaniz, Carlos Wiechers, Janet Elias, Alejandro Torres-Castro, Luis Diaz-Torres, Miguel Vallejo

Proceedings Volume PC13111, PC131111L (2024) https://doi.org/10.1117/12.3027724

KEYWORDS: Copper, Plasmons, Matrices, Glasses, Photoluminescence, Transmittance, Nanoparticles, Lithium, Electron microscopy, Absorbance

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Proceedings Article | 2 October 2024 Presentation + Paper

Emission modification of Sm3+ doped glass due to plasmon effect

Jorge Cervantes, Luis Diaz-Torres, Janet Elias, Alejandro Torres-Castro, M. Vallejo

Proceedings Volume 13111, 1311104 (2024) https://doi.org/10.1117/12.3028139

KEYWORDS: Transmission electron microscopy, Optical properties, Silver, Lithium, Absorption, Ocean optics

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Proceedings Article | 2 October 2024 Presentation + Paper

Plasmon effect provides emission stabilization of glass matrices under high temperature

Janet Elías, Luis Diaz-Torres, Gemma Perez-Cuellar, Pablo Reyes-Hernandez, Eduardo Montes, Miguel Vallejo

Proceedings Volume 13111, 1311109 (2024) https://doi.org/10.1117/12.3027697

KEYWORDS: Glasses, Nanoparticles, Erbium, Ytterbium, Dysprosium, Lithium, Plasmons, Matrices, Scanning electron microscopy, Materials properties

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Proceedings Article | 29 August 2017 Paper

Photochemically synthesized heparin-based silver nanoparticles: an antimicrobial activity study

Maria del Pilar Rodriguez-Torres, Laura Susana Acosta-Torres, Luis Armando Díaz-Torres

Proceedings Volume 10352, 103520W (2017) https://doi.org/10.1117/12.2274006

KEYWORDS: Nanoparticles, Silver, Microorganisms, Resistance, Antimicrobial agents, Medicine, Ultraviolet radiation, Diffusion

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Proceedings Article | 11 September 2013 Paper

UVA mediated synthesis of gold nanoparticles in pharmaceutical-grade heparin sodium solutions

M. Del Rodríguez-Torres, L. A. Diaz -Torres, M. Olmos-López, P. Salas, Clara Gutiérrez

Proceedings Volume 8809, 88092R (2013) https://doi.org/10.1117/12.2024441

KEYWORDS: Nanoparticles, Gold, Transmission electron microscopy, Sodium, Raman spectroscopy, Ultraviolet radiation, Metals, Spherical lenses, Absorbance, Absorption

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Proceedings Article | 11 September 2010 Paper

Effect of ammonia on luminescent properties of YAG:Ce3+,Pr3+ nanophosphors

Jorge Oliva, Elder De La Rosa, Luis A. Diaz-Torres, Pedro Salas, Alejandro Torres, Octavio Meza

Proceedings Volume 7755, 77550E (2010) https://doi.org/10.1117/12.861049

KEYWORDS: YAG lasers, Crystals, Luminescence, Color centers, Cerium, Absorption, Annealing, Nanoparticles, Praseodymium, Light emitting diodes

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Proceedings Article | 25 September 2007 Paper

Structural and photoluminescence characterization of nanocrystalline YAG: Er3+ prepared with the addition of PVA and UREA

R. Rodríguez, E. Tobar, E. De la Rosa, L. Díaz-Torres, P. Salas, A. Torres, M. Felix, J. Castañeda-Contreras, M. Yacaman

Proceedings Volume 6639, 66390K (2007) https://doi.org/10.1117/12.739921

KEYWORDS: Urea, Erbium, YAG lasers, Luminescence, Crystals, Raman spectroscopy, Upconversion, Er:YAG lasers, Nanocrystals, Sol-gels

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Proceedings Article | 20 October 2004 Paper

Concentration and crystallite size dependence of the photoluminescence in YAG:Ce3+ nanophosphor

Raquel Ovalle, Alejandro Arredondo, Luis Diaz-Torres, Pedro Salas, Carlos Angeles, Ruben Rodriguez, Marco Meneses, Elder De la Rosa

Proceedings Volume 5530, (2004) https://doi.org/10.1117/12.566420

KEYWORDS: Crystals, Cerium, Luminescence, Annealing, YAG lasers, Ions, Nanocrystals, Diffraction, Absorption, Transmission electron microscopy

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Proceedings Article | 14 October 2004 Paper

Temperature effect in the crystallite size and the photoluminescence of nanocrystalline ZrO2:Sm3+ phosphor

Elder De la Rosa, Luis Armando Diaz-Torres, Pedro Salas, Rubén Rodríguez, Carlos Angeles

Proceedings Volume 5510, (2004) https://doi.org/10.1117/12.560620

KEYWORDS: Samarium, Crystals, Luminescence, Ions, Annealing, Energy transfer, Absorption, Tantalum, Zirconium, Diffraction

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Proceedings Article | 26 January 2004 Paper

Visible emission of rare-earth-doped ZrO2 nanocrystalline phosphor under UV and IR excitation

Elder De la Rosa-Cruz, Luis A. Diaz-Torres, Pedro Salas, Ruben A. Rodriguez

Proceedings Volume 5187, (2004) https://doi.org/10.1117/12.506658

KEYWORDS: Erbium, Samarium, Luminescence, Crystals, Ions, Upconversion, Absorption, Energy transfer, Visible radiation, Ultraviolet radiation

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Proceedings Article | 17 February 2003 Paper

Photoluminescence and thermoluminescence of YAG:Ce3+,Tb3+ nanocrystalline under UV-, X- and B-irradiation

Elder de la Rosa-Cruz, Luis Diaz-Torres, W. Cordova-Martinez, R. Rodriguez-Rojas, M. Meneses-Nava, Oracio Barbosa-Garcia

Proceedings Volume 4833, (2003) https://doi.org/10.1117/12.474884

KEYWORDS: YAG lasers, Luminescence, Crystals, Sol-gels, Ions, X-rays, Cerium, Terbium, Aluminum

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Proceedings Article | 7 December 2001 Paper

Fluorescence characterization of the ternary system TMQ-PBDBD365-POPOP-dye-doped polystyrene optical fiber under gamma and UV irradiation

Elder de la Rosa-Cruz, Luis Diaz-Torres, R. Rodriguez-Rojas, G. Kumar, Carl Dirk, Osvaldo Rodriguez, Sarah Kopecky, Jose Hernandez, Y. Diaz-Torres

Proceedings Volume 4461, (2001) https://doi.org/10.1117/12.449832

KEYWORDS: Luminescence, Optical fibers, Absorption, Picosecond phenomena, Binary data, Gamma radiation, Scintillators, Polymers, Chlorine, Polymer optical fibers

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Proceedings Article | 2 November 2001 Paper

Nonradiative energy transfer process in the system Sm3+: ZrO2 prepared by sol-gel technique

Elder de la Rosa-Cruz, Luis Diaz-Torres, Ajith Kumar, Maximiliano Avendano, Pedro Salas, V. Castano Meneses, Jose Hernandez

Proceedings Volume 4452, (2001) https://doi.org/10.1117/12.446890

KEYWORDS: Samarium, Zirconium, Oxides, Ions, Energy transfer, Luminescence, Sol-gels, Crystals, Absorption, Photonics

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Proceedings Article | 2 November 2001 Paper

Spectroscopic characterization of Nd3+ doped barium fluoroborophosphate and fluorosulphatephosphate glasses

Elder de la Rosa-Cruz, Ajith Kumar, Luis Diaz-Torres, Alejandrina Martinez, Oracio Barbosa

Proceedings Volume 4452, (2001) https://doi.org/10.1117/12.446891

KEYWORDS: Glasses, Luminescence, Spectroscopy, Ions, Quantum efficiency, Barium, Absorption, Matrices, Neodymium, Refractive index

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Proceedings Article | 26 May 1999 Paper

Ambiguities at the initial stage of the nonradiative energy transfer in solid state laser materials

Luis Diaz-Torres, David Sumida, Oracio Barbosa-Garcia, M. Meneses-Nava

Proceedings Volume 3610, (1999) https://doi.org/10.1117/12.349221

KEYWORDS: Energy transfer, Ions, Neodymium, Luminescence, Crystals, Data modeling, Laser crystals, Solids, Solid state lasers, Systems modeling

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Proceedings Article | 5 February 1996 Paper

Monte Carlo treatment of the nonradiative energy transfer from Nd3+ to Er3+ in Y3Al5O12

Oracio Barbosa-Garcia, E. Jonguitud-Isurieta, Luis Diaz-Torres

Proceedings Volume 2730, (1996) https://doi.org/10.1117/12.231058

KEYWORDS: Ions, YAG lasers, Monte Carlo methods, Radiative energy transfer, Energy transfer, Neodymium, Data modeling, Erbium, Laser crystals, Crystals

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Showing 5 of 17 publications

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