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Micromachining with ultrashort laser pulses applied to the production and control of optofluidic circuits

Grant number: 13/26113-6
Support type:Research Projects - Thematic Grants
Duration: July 01, 2014 - December 31, 2020
Field of knowledge:Engineering - Mechanical Engineering - Manufacturing Processes
Principal researcher:Wagner de Rossi
Grantee:Wagner de Rossi
Home Institution: Instituto de Pesquisas Energéticas e Nucleares (IPEN). Secretaria de Desenvolvimento Econômico (São Paulo - Estado). São Paulo , SP, Brazil
Assoc. researchers:Anderson Zanardi de Freitas ; Ardson dos Santos Vianna Junior ; Cristhiano da Costa Herrera ; Denise Maria Zezell ; Dimitri Geskus ; Eduardo Landulfo ; Gesse Eduardo Calvo Nogueira ; Luciana Reyes Pires Kassab ; Marcus Paulo Raele ; Martha Simões Ribeiro ; Niklaus Ursus Wetter ; Nilson Dias Vieira Junior ; Patrick Jack Spencer ; Ricardo Elgul Samad ; Sonia Licia Baldochi
Associated grant(s):19/23700-4 - SPIE Photonics West LASE - 2020, AR.EXT
17/21124-0 - Laser wakefield electron acceleration in gaseous targets with the TW laser system of IPEN, AV.EXT
17/05854-9 - Localization of light an avenue for manufacturing advanced photonic devices, AV.EXT
14/14670-0 - Multi-User Equipment approved in grant 2013/26113-6: micromachining station with amplified femtosecond Ti: sapphire laser system, AP.EMU
14/14663-4 - Multi-User Equipment approved in grant 2013/26113-6: complete microfluidic system, AP.EMU
Associated scholarship(s):19/19465-0 - Development of novel speckle OCT analysis applied to the study of dynamic processes in microfluidic devices and animal models, BP.PD
19/06334-4 - Advanced photonic devices for microfluidic systems: random lasers, BP.PD
17/22467-9 - Proliferation and differentiation of stem cells in tenocytes assisted by optical therapy for potential application in tissue engineering, BP.PD
16/02326-9 - Micromachining with ultrashort laser pulses applied to the production and control of optofluidics circuits, BP.PD
15/15775-3 - Optical Coherence Tomography signal autocorrelation analysis algorithm applied to blood flow monitoring in mice with Metabolic Syndrome, BP.DR


This project aims to develop a capacity in the country to process materials with ultrashort laser pulses and use this ability to innovative applications. Processing with ultrashort laser pulses is a new technology, still in fundamental studies and technological developments, with very different characteristics from any other processing method for material removal. Because the pulse length of this type of laser is shorter than the electron phonon interaction, one can obtain a process without thermal effects and a machining tool with a diameter less than 1 micron. This tool is thus able to produce structures impossible to obtain with any other method. In addition to tiny structures processed directly on the surface of any type of material, it is also possible processing inside the bulk of transparent materials. Due to extremely high intensities obtained by ultrashort pulses, it is also possible to change the tribological, chemical and physical properties of surfaces. These properties open up new possibilities for processing, with results that are revolutionizing many branches of knowledge. These properties, however, are only possible under well-established and strictly controlled conditions. The use of ultrashort pulses by itself does not assure the production of non-thermal processes, it is also necessary to know with accuracy the dynamics of the interaction of this type of radiation with a given material and get the exact process conditions where this is possible. The group of lasers of IPEN, owns the domain of this technology and, with experience of over 30 years in the field of lasers and their applications, is one who is more prepared to make developments in this area. This project therefore proposes not only developments for the field of processing technology with ultrashort laser pulses, but goes further and proposes several practical applications arising from these developments. These practical applications are focused on the production and use of microfluidic circuits. By using ultrashort pulses in its machining, these circuits are very special with very different characteristics from those that are already produced by other techniques by some groups in the country. They can be produced in any kind of material (dielectric, metal, polymer) with any design and with controlled dimensions that can go up to 1 micron. These circuits may incorporate functional surfaces in specific parts with chemical, physical and tribological properties suitable for a certain type of application. Should also incorporate passive and active optical devices such as waveguides and lasers, to monitor and / or activate processes. These "optofluidics" circuits will then be used in several applications of great interest of the institution and the country. These are applications where IPEN has been working with conventional processes, and has great interest in its miniaturization and higher efficiency. Therefore the project has full support of the institution, has expert staff and adequate infrastructure for each one of the intended cases. (AU)

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Scientific publications (8)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
BOIDI, G.; TERTULIANO, I. S.; PROFITO, F. J.; DE ROSSI, W.; MACHADO, I. F. Effect of laser surface texturing on friction behaviour in elastohydrodynamically lubricated point contacts under different sliding-rolling conditions. TRIBOLOGY INTERNATIONAL, v. 149, SEP 2020. Web of Science Citations: 5.
CASTRO, PEDRO A. A.; LIMA, CASSIO A.; MORAIS, MYCHEL R. P. T.; ZORN, TELMA M. T.; ZEZELL, DENISE M. Monitoring the Progress and Healing Status of Burn Wounds Using Infrared Spectroscopy. Applied Spectroscopy, v. 74, n. 7 MAY 2020. Web of Science Citations: 0.
DA SILVA, DIEGO SILVERIO; WETTER, NIKLAUS URSUS; PIRES KASSAB, LUCIANA REYES; DE ROSSI, WAGNER; DE ARAUJO, MARIANA SILVA. Double line waveguide amplifiers written by femtosecond laser irradiation in rare-earth doped germanate glasses. Journal of Luminescence, v. 217, JAN 2020. Web of Science Citations: 0.
DE ROSSI, WAGNER; VIEIRA, ALEXANDRE. Texturization of Engine Components with Shaped Ultrashort Laser Pulses. JOURNAL OF LASER MICRO NANOENGINEERING, v. 14, n. 2, p. 142-146, SEP 2019. Web of Science Citations: 0.
WETTER, NIKLAUS URSUS; DA SILVA, DIEGO SILVERIO; PIRES KASSAB, LUCIANA REYES; JIMENEZ-VILLAR, ERNESTO. Improving performance in ytterbium-erbium doped waveguide amplifiers through scattering by large silicon nanostructures. Journal of Alloys and Compounds, v. 794, p. 120-126, JUL 25 2019. Web of Science Citations: 0.
GONCALVES PERES, JOSE CARLOS; HERRERA, CRISTHIANO DA COSTA; BALDOCHI, SONIA LICIA; DE ROSSI, WAGNER; VIANNA, ARDSON DOS SANTOS. Analysis of a microreactor for synthesizing nanocrystals by computational fluid dynamics. CANADIAN JOURNAL OF CHEMICAL ENGINEERING, v. 97, n. 2, p. 594-603, FEB 2019. Web of Science Citations: 1.
BERTOLETE, M.; BARBOSA, P. A.; MACHADO, A. R.; SAMAD, R. E.; VIEIRA, JR., N. D.; VILAR, R.; DE ROSSI, W. Effects of texturing the rake surfaces of cemented tungsten carbide tools by ultrashort laser pulses in machining of martensitic stainless steel. INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, v. 98, n. 9-12, p. 2653-2664, OCT 2018. Web of Science Citations: 4.
DA SILVA, DIEGO SILVERIO; WETTER, NIKLAUS URSUS; DE ROSSI, WAGNER; PIRES KASSAB, LUCIANA REYES; SAMAD, RICARDO ELGUL. Production and characterization of femtosecond laser-written double line waveguides in heavy metal oxide glasses. Optical Materials, v. 75, p. 267-273, JAN 2018. Web of Science Citations: 4.

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