Prof. Paulo R. Barja Profile

Prof. Paulo R. Barja

at Univ do Vale do Paraiba

SPIE Involvement:

Author

Publications (5)

Proceedings Article | 21 February 2013 Paper

Thermal-lens study of semiconductor nanoparticles embedded in restorative dental resin

Viviane Pilla, Adalberto Iwazaki, Leandro Alves, Paulo Barja, Egberto Munin

Proceedings Volume 8596, 859615 (2013) https://doi.org/10.1117/12.2003737

KEYWORDS: Composite resins, Composites, Photoacoustic spectroscopy, Laser beam diagnostics, Nanoparticles, Nanocrystals, Semiconductors, Luminescence, Spectroscopy, Absorption

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Proceedings Article | 18 June 2004 Paper

Characterization of human skin through photoacoustic spectroscopy

Airton Martin, Daniel Acosta-Avalos, Fernanda dos Anjos, Edson da Silva, Paula Rompe, Antonio Mansanares, Paulo Barja

Proceedings Volume 5325, (2004) https://doi.org/10.1117/12.529777

KEYWORDS: Photoacoustic spectroscopy, Skin, Absorption, Modulation, Diffusion, Statistical analysis, Lamps, Abdomen, Spectroscopy, Xenon

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Proceedings Article | 18 June 2004 Paper

Sunscreen effects in skin analyzed by photoacoustic spectroscopy

Edson da Silva, Paulo Barja, Daniel Acosta-Avalos, Antonio Mansanares, Airton Martin, Fernanda dos Anjos, Roberta Batista, Paula Rompe

Proceedings Volume 5325, (2004) https://doi.org/10.1117/12.529792

KEYWORDS: Photoacoustic spectroscopy, Skin, Absorption, Ultraviolet radiation, Statistical analysis, Radiation effects, Lamps, Biological research, Modulation, Sun

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Proceedings Article | 3 July 2003 Paper

Study of the degree of photoactivation of the Z250 resin by photoacoustics

Elaine dos Reis Coloiano, Antonio Balbin Villaverde, Marcos Dias da Silva, Rick Rocha, Daniel Acosta-Avalos, Paulo Roxo Barja, Luis Silva Soares, Airton Abrahao Martin

Proceedings Volume 4950, (2003) https://doi.org/10.1117/12.476473

KEYWORDS: Photoacoustic spectroscopy, Polymerization, Signal detection, Light emitting diodes, Absorption, Modulation, Aluminum, Optical proximity correction, Composites, Lamps

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Proceedings Article | 3 July 2003 Paper

Photoacoustics study of the degree of polimerization of resins and restoration materials

Elaine dos Reis Coloiano, Paulo Roxo Barja, Airton Abrahao Martin, Marcos Dias da Silva, Daniel Acosta-Avalos

Proceedings Volume 4950, (2003) https://doi.org/10.1117/12.476488

KEYWORDS: Photoacoustic spectroscopy, Polymerization, Polymers, Temperature metrology, Signal processing, Modulation, Barium, Surface plasmons, Statistical analysis, Materials processing

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