Dr. Renato E. de Araujo Profile

Dr. Renato E. de Araujo

Lecturer at UFPE

SPIE Involvement:

Author

Publications (11)

Proceedings Article | 13 March 2024 Presentation

Size-dependence gold nanosphere mediated photoacoustic generation

Túlio Pedrosa, Arthur Pereira, Anderson S. Gomes, Renato de Araujo

Proceedings Volume PC12858, PC1285801 (2024) https://doi.org/10.1117/12.3003725

KEYWORDS: Gold nanoparticles, Photoacoustic spectroscopy, Gold, Plasmonics, Photoacoustic imaging, Nanoparticles, Laser nanostructuring, Gold nanorods, Thermal effects, Silver

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Proceedings Article | 13 March 2024 Presentation

Contact-mode fluorescence measurements on a lensless CMOS image sensor

Túlio Pedrosa, Renato Araujo, Sebastian Wachsmann-Hogiu

Proceedings Volume PC12858, PC1285804 (2024) https://doi.org/10.1117/12.3002784

KEYWORDS: Fluorescence, CMOS sensors, Biosensors, Tunable filters, Optical filters, Total internal reflection, Super resolution, Molecular interactions, Microscopy, Microscopes

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Proceedings Article | 1 August 2021 Presentation + Paper

Dual-beam thermal lens temperature measurement of colloidal nanoparticles

T. Pedrosa, C. Estupiñán-López, R. Araujo

Proceedings Volume 11797, 117971W (2021) https://doi.org/10.1117/12.2593262

KEYWORDS: Nanoparticles, Temperature metrology, Absorption, Thermal effects, Gold, Plasmonics

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SPIE Journal Paper | 8 May 2018

Engineering a plasmonic sensing platform for Candida albicans antigen identification

Sajid Farooq, Wendell Neves, Omar Pandoli, Tommaso Del Rosso, Leonardo de Lima, Rosa Dutra, Renato de Araujo

JNP, Vol. 12, Issue 03, 033003, (May 2018) https://doi.org/10.1117/12.10.1117/1.JNP.12.033003

KEYWORDS: Silver, Nanoparticles, Plasmonics, Glasses, Sensors, Particles, Biosensors, Adsorption, Nanostructures, Molecules

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SPIE Journal Paper | 19 July 2016 Open Access

Damage induced in red blood cells by infrared optical trapping: an evaluation based on elasticity measurements

Marcos A. de Oliveira, Diógenes Moura, Adriana Fontes, Renato de Araujo

JBO, Vol. 21, Issue 07, 075012, (July 2016) https://doi.org/10.1117/12.10.1117/1.JBO.21.7.075012

KEYWORDS: Optical tweezers, Near infrared, Blood, Infrared radiation, Absorption, Optical damage, Laser applications, Biomedical optics, Raman spectroscopy, Laser cutting

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SPIE Journal Paper | 5 June 2012 Open Access

In situ gold nanoparticles formation: contrast agent for dental optical coherence tomography

Ana Karla Braz, Renato de Araujo, Tymish Ohulchanskyy, Shoba Shukla, Earl Bergey, Anderson S. Gomes, Paras Prasad

JBO, Vol. 17, Issue 06, 066003, (June 2012) https://doi.org/10.1117/12.10.1117/1.JBO.17.6.066003

KEYWORDS: Gold, Nanoparticles, Optical coherence tomography, Adhesives, Scanning electron microscopy, Teeth, Collagen, Biomedical optics, Tissues, 3D image processing

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Proceedings Article | 18 February 2010 Paper

Novel high-sensitivity Z-scan technique based on a Hartmann-Shack wavefront sensor

Diego Rativa, Brian Vohnsen, Anderson S. Gomes, Renato de Araujo

Proceedings Volume 7582, 758218 (2010) https://doi.org/10.1117/12.841013

KEYWORDS: Absorption, Wavefronts, Wavefront sensors, Refraction, Nonlinear optics, Wavefront distortions, Transmittance, Statistical analysis, Adaptive optics, Sensors

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Proceedings Article | 14 February 2007 Paper

Plasmon resonance enhancement of nonlinear properties of amino acids

Renato de Araujo, Diego Rativa, Anderson S. L. Gomes

Proceedings Volume 6450, 64500G (2007) https://doi.org/10.1117/12.699517

KEYWORDS: Silver, Refractive index, Water, Absorption, Nanoparticles, Molecules, Nonlinear optics, Complex systems, Femtosecond phenomena, Transmittance

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Proceedings Article | 14 February 2007 Paper

Novel high-sensitivity thermal managed eclipse Z-scan technique

Anderson Gomes, Edilson Falcão Filho, Cid de Araújo, Diego Rativa, Renato de Araujo

Proceedings Volume 6455, 64550Z (2007) https://doi.org/10.1117/12.700348

KEYWORDS: Water, Nonlinear optics, Wavefront distortions, Refractive index, Nonlinear optical materials, Time metrology, Sensors, Transmittance, Biomedical optics, Wavefronts

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Proceedings Article | 15 February 2006 Paper

Characterization of the dental pulp using optical coherence tomography

C. M. F. Kauffman, M. Carvalho, R. Araujo, A. Freitas, D. Zezell, A. S. L. Gomes

Proceedings Volume 6137, 613707 (2006) https://doi.org/10.1117/12.653295

KEYWORDS: Optical coherence tomography, Teeth, Tissue optics, Diagnostics, Microscopes, Scattering, Tissues, Signal detection, In vitro testing, Sensors

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SPIE Journal Paper | 1 November 2005 Open Access

Evaluation of enamel dental restoration interface by optical coherence tomography

L. de Melo, Renato de Araujo, Anderson Freitas, Denise Zezell, Nilson Vieira, John Girkin, Andrew Hall, Mariana Carvalho, Anderson Gomes

JBO, Vol. 10, Issue 06, 064027, (November 2005) https://doi.org/10.1117/12.10.1117/1.2141617

KEYWORDS: Optical coherence tomography, Teeth, X-ray imaging, Interfaces, X-rays, X-ray microscopy, Optical microscopy, Microscopes, Image resolution, Tissues

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Showing 5 of 11 publications

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