Prof. Leonardo Alberto Díaz Marulanda Profile

Prof. Leonardo Alberto Díaz Marulanda

Engineering Faculty at Univ Popular del Cesar

SPIE Involvement:

Author

Area of Expertise:

Fiber Optics , Optics Sensors

Publications (11)

Proceedings Article | 22 August 2017 Paper

Paper

Infrared light sensor applied to early detection of tooth decay

Eberto Benjumea, José Espitia, Leonardo Díaz, Cesar Torres

Proceedings Volume 10453, 1045328 (2017) https://doi.org/10.1117/12.2275922

KEYWORDS: Teeth, Infrared detectors, Infrared sensors, Infrared radiation, Optical sensors, Fiber optics, Dentistry, Fiber lasers, Laser applications, Laser dentistry

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Proceedings Article | 22 August 2017 Paper

Paper

Quantification of the absorption of light in coals using fiber optic sensors

Leonardo Díaz, Juan Vilardy, Cesar Torres

Proceedings Volume 10453, 104530W (2017) https://doi.org/10.1117/12.2271972

KEYWORDS: Absorption, Semiconductor lasers, Calibration, Process control, Absorbance, Statistical analysis

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Proceedings Article | 24 August 2015 Paper

Paper

Portable equipment for determining ripeness in Hass avocado using a low cost color sensor

Jessica Toro, Carolina Daza, Fabio Vega, Leonardo Diaz, Cesar Torres

Proceedings Volume 9660, 96601V (2015) https://doi.org/10.1117/12.2196752

KEYWORDS: Sensors, RGB color model, LCDs, Water, Visualization, Photodiodes, Prototyping, Absorption, Statistical analysis, Data modeling

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Proceedings Article | 17 July 2014 Open Access

Open Access

Paper

Diffraction operators in paraxial approach

William Lasso, Marianela Navas, Liz Añez, Romer Urdaneta, Leonardo Díaz, César Torres

Proceedings Volume 9289, 92890D (2014) https://doi.org/10.1117/12.2070745

KEYWORDS: Spherical lenses, Diffraction, Wave propagation, Fourier transforms, Radio propagation, Optical spheres, Near field diffraction, Free space, Receivers, Transparency

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Proceedings Article | 18 November 2013 Paper

Paper

Determining the quality of optical fiber splice by fusion by electric arc through spectral image processing

Fabio Vega, Cesar Torres, Leonardo Diaz, L. Mattos

Proceedings Volume 8785, 87852C (2013) https://doi.org/10.1117/12.2025271

KEYWORDS: Image fusion, Diffraction, Fusion splicing, Optical fibers, Image processing, Digital image correlation, Diffraction gratings, Video, Digital imaging, Image segmentation

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Proceedings Article | 18 November 2013 Paper

Paper

Gabor transform applied to superresolution in optical systems

Carlos Jimenez, Ronald Pérez, Cesar Torres

Proceedings Volume 8785, 8785DR (2013) https://doi.org/10.1117/12.2026404

KEYWORDS: Super resolution, Fourier transforms, Imaging systems, Image resolution, Computing systems, Reconstruction algorithms, Spatial resolution, Point spread functions, Spectral resolution, Image processing

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Proceedings Article | 18 November 2013 Paper

Paper

Biospeckle: fractional Fourier transform point of view

William Lasso, Eduardo Pérez Calderón, Nelali Castillo Serrano, Leonardo Díaz M., Cesar Torres

Proceedings Volume 8785, 8785G1 (2013) https://doi.org/10.1117/12.2026264

KEYWORDS: Diffraction, Speckle, Reflectivity, Fractional fourier transform, Biological research, Light scattering, Speckle pattern, Scattering, Far-field diffraction, Mathematical modeling

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Proceedings Article | 18 November 2013 Paper

Paper

Correlation applied to the recognition of regular geometric figures

William Lasso, Yaileth Morales, Fabio Vega, Leonardo Díaz, Daniel Flórez, Cesar Torres

Proceedings Volume 8785, 8785CL (2013) https://doi.org/10.1117/12.2026254

KEYWORDS: Detection and tracking algorithms, Image processing, Databases, Glasses, Image segmentation, MATLAB, Imaging systems, Cameras, Evolutionary algorithms, Image filtering

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Proceedings Article | 18 November 2013 Paper

Paper

Detection of wavelengths in the visible range using fiber optic sensors

Leonardo Díaz, Yailteh Morales, Lorenzo Mattos, Cesar Torres

Proceedings Volume 8785, 87852L (2013) https://doi.org/10.1117/12.2025500

KEYWORDS: Fiber optics sensors, Sensors, Polishing, Absorption, Optoelectronic devices, Optical fibers, Optical sensors, Modulation, Photonic integrated circuits, LCDs

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Proceedings Article | 18 November 2013 Paper

Paper

Simple method of fabrication tapered fiber

Fabio Vega, Cesar Torres, Leonardo Diaz, L. Mattos

Proceedings Volume 8785, 87852D (2013) https://doi.org/10.1117/12.2025275

KEYWORDS: Single mode fibers, Control systems, Structured optical fibers, Lithium, Optics manufacturing, Microcontrollers, Cladding, Fiber optics, Multimode fibers, Optical fibers

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Proceedings Article | 3 November 2011 Paper

Paper

Measurement of gasoline adulteration using optical fiber sensor

Leonardo Díaz Marulanda, Cesar Torres Moreno, Lorenzo Mattos Velazque

Proceedings Volume 8011, 80115B (2011) https://doi.org/10.1117/12.903252

KEYWORDS: Fiber optics sensors, Statistical analysis, Signal detection, Transmitters, Polarization, LCDs, Light sources, Prototyping, Receivers, Reflectors

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Showing 5 of 11 publications

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