Prof. Miguel Asmad Profile

Prof. Miguel Asmad

Licenciado at Pontificia Univ Catolica del Peru

SPIE Involvement:

Author

Publications (14)

Proceedings Article | 15 August 2023 Poster + Paper

Interferograms analysis for measuring the thickness of aluminum thin films

Ivan Choque, Miguel Asmad, Josue Miranda, Alberto Quispe

Proceedings Volume 12618, 1261823 (2023) https://doi.org/10.1117/12.2672620

KEYWORDS: Thin films, Interferograms, Aluminum, Film thickness, Microscopes, Phase shifts, Optical surfaces, Phase interferometry, Interferometry, Ferroelectric materials

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Proceedings Article | 21 August 2020 Presentation + Paper

Suppressing ripple distortions and spurious pistons in phase-shifting interferometry

Ivan Choque, Moises Padilla, Manuel Servin, Sotero Ordones, Miguel Asmad

Proceedings Volume 11490, 1149006 (2020) https://doi.org/10.1117/12.2568138

KEYWORDS: Phase shifts, Phase measurement, Phase interferometry, Evolutionary algorithms, Signal to noise ratio

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Proceedings Article | 14 March 2018 Presentation

Frequency domain processing of digital holograms applied to high-accurate vision-based position control in micro-robotics (Conference Presentation)

Maxime Jacquot, Miguel Asmad Vergara, Guillaume Laurent, Patrick Sandoz

Proceedings Volume 10558, 105580I (2018) https://doi.org/10.1117/12.2287560

KEYWORDS: Digital holography, Holograms, Position sensors, Spatial light modulators, 3D image reconstruction, Imaging systems, Image processing, Solid state cameras, Wave propagation, Visual optics

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Proceedings Article | 18 November 2013 Paper

Control of a piezoelectric device and image system acquisition for introducing phase steps in interferential microscope

J. Choque A., M. Asmad, V. Sarmiento, G. Baldwin

Proceedings Volume 8785, 878535 (2013) https://doi.org/10.1117/12.2025767

KEYWORDS: Phase shifts, Microscopes, Control systems, Ferroelectric materials, CMOS cameras, Fringe analysis, Thin films, Image acquisition, Calibration, Beam splitters

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Proceedings Article | 18 November 2013 Paper

Morphologic evaluation of thin films by algorithms of optical phase stepping applied to images obtained by interferential microscopy

Valentin Sarmiento, Miguel Asmad, J. Ivan Choque, Guillermo Baldwin

Proceedings Volume 8785, 87856U (2013) https://doi.org/10.1117/12.2025981

KEYWORDS: Thin films, Transducers, Microscopy, Interferometers, Image processing, Calibration, Interferometry, Phase shifts, Fringe analysis, Laser optics

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Proceedings Article | 26 July 2011 Paper

Advances in optical technologies at Pontificia Universidad Católica del Perú

Guillermo Baldwin, Miguel Asmad, Sandra Romero, Franco Gonzales, Gonzalo Gálvez, Rubén Sánchez, Darwin Córdova

Proceedings Volume 8001, 80012E (2011) https://doi.org/10.1117/12.894593

KEYWORDS: Optics manufacturing, Monochromators, Thin films, Telescopes, Optical design, Interferometers, Polishing, Optical components, Device simulation, Mirrors

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Proceedings Article | 9 September 2010 Paper

Simulation as a tool for teaching spectrographs optics to undergraduate physics students

Guillermo Baldwin, Rubén Sánchez, Miguel Asmad, Karem Tucto, Franco Gonzales

Proceedings Volume 7652, 76522W (2010) https://doi.org/10.1117/12.871038

KEYWORDS: Spectrographs, Monochromators, Mirrors, Physics, Spherical lenses, Diffraction gratings, Diffraction, Computer simulations, OSLO, Optical simulations

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Proceedings Article | 14 February 2005 Paper

Experimental study of the surface roughness in metals with different surface finishing by two-dimensional correlation of speckle pattern

Miguel Asmad, Guillermo Baldwin, Cordula Maczeyzik, Fernando Mendoza, Carlos Perez-Lopez

Proceedings Volume 5776, (2005) https://doi.org/10.1117/12.611830

KEYWORDS: Speckle, Surface finishing, Speckle pattern, Surface roughness, Fourier transforms, Metals, Light scattering, CCD cameras, Laser scattering, Radium

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Proceedings Article | 21 October 2004 Paper

Study of the surface roughness in metals with different surface finishing by two-dimensional correlation of laser speckle pattern

Miguel Asmad, Guillermo Baldwin-Olguin, C. Maczeyzik, Fernando Mendoza Santoyo, Carlos Perez-Lopez

Proceedings Volume 5622, (2004) https://doi.org/10.1117/12.591731

KEYWORDS: Speckle, Surface finishing, Surface roughness, Speckle pattern, Fourier transforms, Metals, Light scattering, CCD cameras, Radium, Laser scattering

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Proceedings Article | 19 November 2003 Paper

Very cheap plastic optical fiber sensors for measurement of displacement without contact

J. Villanueva, W. Alayo, Miguel Asmad, K. Contreras, Guillermo Baldwin-Olguin

Proceedings Volume 4829, (2003) https://doi.org/10.1117/12.527495

KEYWORDS: Sensors, Semiconductor lasers, Polymer optical fibers, Optical fibers, Beam controllers, Polishing, Sensor performance, Fiber optics sensors, Temperature metrology, Laser optics

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Proceedings Article | 14 August 2001 Paper

Coherence and modal structure of optical cavity under conditions of thermic instability in a He-Ne gas laser

K. Contreras, M. Asmad, Guillermo Baldwin-Olguin

Proceedings Volume 4419, (2001) https://doi.org/10.1117/12.437061

KEYWORDS: Temporal coherence, Visibility, Coherence (optics), Gas lasers, Fringe analysis, Polarization, Optical resonators, Temperature metrology, Michelson interferometers, Helium neon lasers

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Proceedings Article | 14 August 2001 Paper

Low-cost piezoelectrical mirror for DSPI

M. Asmad, Guillermo Baldwin-Olguin, Hector Rabal, Ricardo Arizaga, Marcelo Trivi

Proceedings Volume 4419, (2001) https://doi.org/10.1117/12.437094

KEYWORDS: Mirrors, Calibration, Speckle, Interferometers, Speckle pattern, Crystals, Digital signal processing, Phase measurement, Diffusers, Lanthanum

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Proceedings Article | 14 August 2001 Paper

Optical digital spherometer based in structured light perfilometry

Valentin Sarmiento, N. Mauricio, M. Zamalloa, M. Asmad, Guillermo Baldwin-Olguin

Proceedings Volume 4419, (2001) https://doi.org/10.1117/12.437176

KEYWORDS: Projection systems, CCD cameras, Optical spheres, Image processing, Modulation, Fourier transforms, Reconstruction algorithms, Spatial frequencies, Ronchi rulings, Structured light

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Proceedings Article | 14 August 2001 Paper

Method to characterize and to drive laser pointers as controlled light sources

J. Villanueva, M. Asmad, Guillermo Baldwin-Olguin

Proceedings Volume 4419, (2001) https://doi.org/10.1117/12.437174

KEYWORDS: Semiconductor lasers, Laser optics, Distance measurement, Light sources, Optics manufacturing, Optoelectronics, Manufacturing, Calibration, Telecommunications, Optical communications

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Showing 5 of 14 publications

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