Dr. Mario Antonio Stefani Profile

Dr. Mario Antonio Stefani

Director/Research & Development at Opto Eletronica SA

SPIE Involvement:

Author

Area of Expertise:

Remote sensing , optical design , thermal imaging , Laser rangefinder , signal processing , laser design

Publications (12)

Proceedings Article | 11 January 2018 Open Access

The Brazilian wide field imaging camera (WFI) for the China/Brazil earth resources satellite: CBERS 3 and 4

L. C. Scaduto, E. Carvalho, R. Modugno, R. Cartolano, S. Evangelista, D. Segoria, A. Santos, M. Stefani, J. Castro Neto

Proceedings Volume 10565, 1056556 (2018) https://doi.org/10.1117/12.2309103

KEYWORDS: Modulation transfer functions, Cameras, Satellites, Collimators, Interferometers, Channel projecting optics, Satellite imaging, Charge-coupled devices, Astronomical imaging, Spatial frequencies

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Proceedings Article | 20 November 2017 Open Access

Focus adjustment method for CBERS 3 and 4 satellites Mux camera to be performed in air condition and its experimental verification for best performance in orbital vacuum condition

Lucimara Scaduto, Alexandre Malavolta, Rodrigo Modugno, Luiz Vales, Erica Carvalho, Sérgio Evangelista, Mario Stefani, Jarbas de Castro Neto

Proceedings Volume 10564, 105643O (2017) https://doi.org/10.1117/12.2309033

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Proceedings Article | 15 October 2012 Paper

Development of the micro-scanning optical system of yellow laser applied to the ophthalmologic area

Tiago Ortega, Alessandro Mota, Glauco Costal, Yuri Fontes, Giuliano Rossi, Fatima M. Yasuoka, Mario Stefani, Jarbas de Castro N.

Proceedings Volume 8490, 84900M (2012) https://doi.org/10.1117/12.928703

KEYWORDS: Laser coagulation, Mirrors, Laser resonators, Retina, Lamps, Control systems, Objectives, Laser marking, Laser scanners, Laser systems engineering

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Proceedings Article | 2 May 2012 Paper

MTF measurements on real time for performance analysis of electro-optical systems

Jose Augusto Stuchi, Elisa Signoreto Barbarini, Flavio Pascoal Vieira, Daniel dos Santos, Mário Antonio Stefani, Fatima Maria Mitsue Yasuoka, Jarbas Castro Neto, Evandro Luis Linhari Rodrigues

Proceedings Volume 8437, 84370H (2012) https://doi.org/10.1117/12.915632

KEYWORDS: Modulation transfer functions, Microscopes, Cameras, Image quality, Thermography, Optical transfer functions, Calculus, Visualization, Convolution, Electro optical systems

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Proceedings Article | 3 November 2011 Paper

Optical analysis of electro-optical systems by MTF calculus

Elisa Signoreto Barbarini, Daniel dos Santos, Mário Antonio Stefani, Fátima Maria Mitsue Yasuoka, Jarbas Castro Neto, Evandro Luís Linhari Rodrigues

Proceedings Volume 8011, 80117P (2011) https://doi.org/10.1117/12.903262

KEYWORDS: Modulation transfer functions, Cameras, Fourier transforms, Infrared sensors, Visualization, Optical transfer functions, Microscopes, Optical alignment, Electro optical systems, Sensors

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Proceedings Article | 4 March 2011 Paper

Design of micro-second pulsed laser mode for ophthalmological CW self-raman laser

Alessandro Mota, Giuliano Rossi, Tiago Ortega, Glauco Costal, Yuri Fontes, Fatima Yasuoka, Mario Stefani, Jarbas de Castro N., Maria Paiva

Proceedings Volume 7912, 79121Y (2011) https://doi.org/10.1117/12.873136

KEYWORDS: Pulsed laser operation, Control systems, Semiconductor lasers, Laser resonators, Diodes, Continuous wave operation, Retina, Power supplies, Sensors, Laser crystals

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Proceedings Article | 24 February 2010 Paper

Homogeneous UVA system for corneal cross-linking treatment

Fernando Ayres Pereira, Mario Stefani, José Otoboni, Eduardo Richter, Liliane Ventura

Proceedings Volume 7556, 75560Z (2010) https://doi.org/10.1117/12.842260

KEYWORDS: Ultraviolet radiation, Cornea, Beam analyzers, 3D image processing, Collagen, Visualization, Tissues, Luminescence, Charge-coupled devices, Image processing

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Proceedings Article | 17 February 2010 Paper

Very compact and high-power CW self-Raman laser for ophthalmological applications

Tiago Ortega, Alessandro Mota, Giuliano Rossi, Guilherme C. de Castro, Yuri Fontes, Glauco Costal, Fatima M. Yasuoka, Mario Stefani, Andrew Lee, Helen Pask, Jarbas C. de Castro N.

Proceedings Volume 7578, 757822 (2010) https://doi.org/10.1117/12.838254

KEYWORDS: Crystals, Laser resonators, Continuous wave operation, Optical benches, Diodes, Laser coagulation, Absorption, Laser applications, Molecules

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Proceedings Article | 18 February 2009 Paper

UVA system for human cornea irradiation

Fernando Pereira, Mario Stefani, José Otoboni, Eduardo Richter, Giuliano Rossi, Alessandro Mota, Liliane Ventura

Proceedings Volume 7163, 71631L (2009) https://doi.org/10.1117/12.806821

KEYWORDS: Cornea, Collagen, Electronics, Light emitting diodes, Ultraviolet light emitting diodes, Ultraviolet radiation, Software development, UV optics, Prototyping, Molecules

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Proceedings Article | 2 September 2008 Paper

Misalignment parameters estimation in refractive optical systems

Braulio de Albuquerque, Roberto Lopes, Helio Kuga, Erica Gabriela de Carvalho, Lucimara Cristina Nakata Scaduto, Mario Antonio Stefani

Proceedings Volume 7068, 70680P (2008) https://doi.org/10.1117/12.797711

KEYWORDS: Wavefronts, Cameras, Optical alignment, Multiplexers, Statistical analysis, Optical components, Lenses, Dysprosium, Tolerancing, Complex systems

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Proceedings Article | 4 August 2000 Paper

Laser triangulation range finder based on a chaotic modulation and detection system

Mario Stefani, Jose Pizolato, Luiz Neto

Proceedings Volume 4052, (2000) https://doi.org/10.1117/12.395083

KEYWORDS: Laser range finders, Modulation, Oscillators, Clocks, Signal generators, Semiconductor lasers, Optical amplifiers, Diodes, Linear filtering, Sensors

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Proceedings Article | 19 July 1999 Paper

Multiple-line generation over high angle using hybrid parabolic profile and binary surface-relief phase element

Luiz Neto, Luciana Brassolatti Roberto, Patrick Verdonck, Ronaldo Mansano, Giuseppe Cirino, Mario Stefani

Proceedings Volume 3749, (1999) https://doi.org/10.1117/12.354847

KEYWORDS: Binary data, Holograms, Computer generated holography, Quartz, Diffractive optical elements, Diffraction, Semiconducting wafers, 3D image reconstruction, Etching, Optical components

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Showing 5 of 12 publications

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