Prof. Rui Mário Correia da Silva Vilar Profile

Prof. Rui Mário Correia da Silva Vilar

Professor at Instituto Superior Técnico

SPIE Involvement:

Author

Publications (20)

SPIE Journal Paper | 22 June 2016 Open Access

Femtosecond laser ablation of enamel

Quang-Tri Le, Caroline Bertrand, Rui Vilar

JBO, Vol. 21, Issue 06, 065005, (June 2016) https://doi.org/10.1117/12.10.1117/1.JBO.21.6.065005

KEYWORDS: Laser ablation, Pulsed laser operation, Femtosecond phenomena, Liquids, Calcium, Laser damage threshold, Natural surfaces, Raman spectroscopy, X-ray diffraction, Laser tissue interaction

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SPIE Journal Paper | 4 December 2012 Open Access

Femtosecond laser ablation of bovine cortical bone

Liliana Cangueiro, Rui Mário Correia da Silva Vilar, Ana Botelho do Rego, Vania S. Muralha

JBO, Vol. 17, Issue 12, 125005, (December 2012) https://doi.org/10.1117/12.10.1117/1.JBO.17.12.125005

KEYWORDS: Laser ablation, Bone, Laser therapeutics, Femtosecond phenomena, Pulsed laser operation, Collagen, Laser damage threshold, Tissues, Calcium, FT-IR spectroscopy

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Proceedings Article | 17 February 2011 Paper

Laser-assisted development of titanium alloys: the search for new biomedical materials

Amelia Almeida, Dheeraj Gupta, Rui Vilar

Proceedings Volume 7994, 79941U (2011) https://doi.org/10.1117/12.881279

KEYWORDS: Titanium, Molybdenum, Laser development, Biomedical optics, Bone, Manufacturing, Laser dentistry, Cladding, Solids, Corrosion

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Proceedings Article | 8 February 2011 Paper

Active methods of early forest fire detection

Andrei Utkin, Alexander Lavrov, Rui Vilar

Proceedings Volume 7994, 799414 (2011) https://doi.org/10.1117/12.880743

KEYWORDS: LIDAR, Sensors, Surveillance, Signal to noise ratio, Signal detection, Eye, Flame detectors, Pulsed laser operation, Receivers, Target detection

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Proceedings Article | 8 February 2011 Paper

Evaluation of oil spills by laser induced fluorescence spectra

Andrei Utkin, Alexander Lavrov, Rui Vilar

Proceedings Volume 7994, 799415 (2011) https://doi.org/10.1117/12.880750

KEYWORDS: Laser induced fluorescence, Water, LIDAR, Luminescence, Sensors, Pulsed laser operation, Spectroscopy, Surveillance, Ocean optics, Oceanography

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Proceedings Article | 22 April 2009 Paper

Modeling of phase transformations and internal stresses in laser powder deposition

Antonio Crespo, Augusto Deus, Rui Vilar

Proceedings Volume 7131, 713120 (2009) https://doi.org/10.1117/12.817405

KEYWORDS: 3D modeling, Finite element methods, Heat treatments, Optical simulations, Deposition processes, Interfaces, Titanium, Manufacturing, Solid state physics, Convection

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Proceedings Article | 22 April 2009 Paper

Wear resistant Al-Si/TiC coatings prepared by high power laser cladding

Anandkumar Ramasamy, Amelia Almeida, Rui Vilar

Proceedings Volume 7131, 713121 (2009) https://doi.org/10.1117/12.817841

KEYWORDS: Silicon, Toxic industrial chemicals, Particles, Abrasives, Composites, Silicon carbide, Resistance, Cladding, Surface finishing, Aluminum

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Proceedings Article | 22 April 2009 Paper

KrF laser treatment of human dentin

Sónia Eugénio, Rui Vilar, Vitor Oliveira, Manickam Sivakumar

Proceedings Volume 7131, 71311M (2009) https://doi.org/10.1117/12.817402

KEYWORDS: Laser therapeutics, Collagen, Apatite, Laser ablation, Excimer lasers, Natural surfaces, Infrared spectroscopy, Scanning electron microscopy, Teeth, FT-IR spectroscopy

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Proceedings Article | 22 April 2009 Paper

Experimental and theoretical investigation of forest fire detection by a portable eye-safe lidar operating at 1540 nm

Alexander Lavrov, Andrei Utkin, Rui Vilar

Proceedings Volume 7131, 71312J (2009) https://doi.org/10.1117/12.816515

KEYWORDS: LIDAR, Signal to noise ratio, Signal detection, Flame detectors, 3D modeling, Wind energy, Surveillance, Mathematical modeling, Combustion, Particles

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Proceedings Article | 18 April 2009 Paper

Automatic recognition of smoke-plume signatures in lidar signal

Andrei Utkin, Alexander Lavrov, Rui Vilar

Proceedings Volume 7131, 71312K (2009) https://doi.org/10.1117/12.816520

KEYWORDS: LIDAR, Detection and tracking algorithms, Signal detection, Interference (communication), Received signal strength, Surveillance, Receivers, Backscatter, Nonlinear optics, Error analysis

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Proceedings Article | 8 March 2007 Paper

Surface modification of dental tissues by KrF excimer laser radiation

M. Sivakumar, V. Oliveira, R. Vilar

Proceedings Volume 6425, 64250H (2007) https://doi.org/10.1117/12.697198

KEYWORDS: Laser ablation, Excimer lasers, Laser therapeutics, Scanning electron microscopy, Tissues, Laser dentistry, Natural surfaces, Prisms, Ultraviolet radiation, Dental caries

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Proceedings Article | 17 October 2006 Paper

Application of rangefinder for small forest fire detection

Andrei Utkin, Alexander Lavrov, Rui Vilar

Proceedings Volume 6359, 635915 (2006) https://doi.org/10.1117/12.687261

KEYWORDS: Signal to noise ratio, 3D modeling, Wind energy, Pulsed laser operation, Flame detectors, Distance measurement, Particles, Atmospheric modeling, Solids, Target detection

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Proceedings Article | 22 January 2005 Paper

Column growth mechanisms during KrF laser micromachining of Al2O3-TiC

V. Oliveira, F. Simoes, Rui Vilar

Proceedings Volume 5715, (2005) https://doi.org/10.1117/12.591944

KEYWORDS: Aluminum, Toxic industrial chemicals, Ceramics, Laser ablation, Excimer lasers, Composites, Laser processing, Micromachining, Phase shift keying, Modulation

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Proceedings Article | 4 November 2004 Paper

Calculation of the optimal location and minimum number of lidar apparatuses required for early forest fire detection in hilly terrain

Armando Fernandes, Andrei Utkin, Alexander Lavrov, Rui Vilar

Proceedings Volume 5575, (2004) https://doi.org/10.1117/12.564792

KEYWORDS: LIDAR, Flame detectors, Visibility, Surveillance, Sensors, Combustion, Atmospheric monitoring, Tin, Particles, Chemistry

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Proceedings Article | 14 November 2003 Paper

Laser cladding

Rui Vilar

Proceedings Volume 5147, (2003) https://doi.org/10.1117/12.543724

KEYWORDS: Cladding, Solids, Coating, Particles, Resistance, Laser processing, Abrasives, Manufacturing, Composites, Laser development

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Proceedings Article | 28 January 2002 Paper

Comparison of eye-safe UV and IR lidar for small forest-fire detection

Rui Vilar, Alexander Lavrov, Andrei Utkin, Armando Fernandes

Proceedings Volume 4542, (2002) https://doi.org/10.1117/12.454207

KEYWORDS: LIDAR, Signal to noise ratio, Ultraviolet radiation, Ruby lasers, Receivers, Backscatter, Laser energy, Sensors, Pulsed laser operation, Mass attenuation coefficient

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Proceedings Article | 30 January 2001 Paper

Initial stage of Al2O3-TiC laser processing: numerical investigation with axisymmetric finite-volume scheme

Andrei Utkin, Victor Oliveira, Rui Vilar

Proceedings Volume 4157, (2001) https://doi.org/10.1117/12.413773

KEYWORDS: Toxic industrial chemicals, Ceramics, Titanium, Laser processing, Liquids, Excimer lasers, Astatine, Plasma, Fluid dynamics, 3D modeling

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Proceedings Article | 17 December 1999 Paper

Application of lidar at 1.54 um for forest fire detection

Alexander Lavrov, Rui Vilar

Proceedings Volume 3868, (1999) https://doi.org/10.1117/12.373104

KEYWORDS: LIDAR, Particles, Backscatter, Receivers, Flame detectors, Combustion, Avalanche photodiodes, Nd:YAG lasers, Signal to noise ratio, Avalanche photodetectors

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Proceedings Article | 14 September 1998 Paper

Laser ablation of Al2O3-TiC ceramics: influence of laser fluence

Victor Oliveira, Rui Vilar, O. Conde

Proceedings Volume 3343, (1998) https://doi.org/10.1117/12.321582

KEYWORDS: Laser ablation, Ceramics, Excimer lasers, Scanning electron microscopy, Titanium, Laser processing, Toxic industrial chemicals, Photomicroscopy, Aluminum, Micromachining

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