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

Leandro Alves, Viviane Pilla, Adalberto Iwazaki, 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

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

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

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

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

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, Airton Abrahao Martin, Marcos Dias da Silva, Paulo Roxo Barja, 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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