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pro vyhledávání: '"Ricardo Elgul Samad"'
Autor:
Ricardo Elgul Samad
Publikováno v:
Biblioteca Digital de Teses e Dissertações da USPUniversidade de São PauloUSP.
Foi desenvolvida e construída uma cavidade bombeadora para um meio de ganho de Cr:LiSAF na forma de bastão, bombeado por duas lâmpadas, visando sua operação como amplificador de pulsos ultracurtos a taxas de repetição elevadas, e com redução
Publikováno v:
2022 SBFoton International Optics and Photonics Conference (SBFoton IOPC).
Publikováno v:
2022 SBFoton International Optics and Photonics Conference (SBFoton IOPC).
Publikováno v:
2022 SBFoton International Optics and Photonics Conference (SBFoton IOPC).
Publikováno v:
Applied Optics. 62:3202
Simulations of transitional self-modulated laser wakefield acceleration driven by laser pulses of a few terawatts are discussed, comparing a downramp-based injection regime with an ionization injection regime. We demonstrate that a configuration usin
Autor:
Edison Puig Maldonado, Ricardo Elgul Samad, Armando Valter Felicio Zuffi, Jhonatha Ricardo dos Santos, Nilson Dias Vieira
Publikováno v:
Journal of the Optical Society of America B. 40:C141
Laser wakefield electron acceleration with ionization injection has rarely been studied in the low-power, self-modulated case. We performed simulations of such regimes using a mixture of He and N2 gases and driven by laser pulses with peak powers aro
Autor:
Armando Valter Felicio Zuffi, Jhonatha Ricardo dos Santos, Edison Puig Maldonado, Nilson Dias Vieira, Ricardo Elgul Samad
Publikováno v:
Applied Optics. 62:C128
Side-view density profiles of a laser-induced plasma were measured by a home-built, time-resolved, Mach–Zehnder-like interferometer. Due to the pump-probe femtosecond resolution of the measurements, the plasma dynamics was observed, along with the
Publikováno v:
Physical Review A. 105
Autor:
Wagner de Rossi, Antonio Arleques Gomes, Ricardo Elgul Samad, Álisson Rocha Machado, Pedro Augusto Bompeixe Cheliga
Publikováno v:
Latin America Optics and Photonics (LAOP) Conference 2022.
Femtosecond laser pulses were used for texturing cutting tools in order to obtain better results in the traditional metal turning process. Some significant examples are presented in this work.
Autor:
Antonio Arleques Gomes, Ardson dos Santos Vianna, Gregori de Arruda Morreira, Eduardo Landufo, Ricardo Elgul Samad, Emerson Soares Bernardes, Wagner de Rossi
Publikováno v:
Latin America Optics and Photonics (LAOP) Conference 2022.
Femtosecond laser micromachining was adopted to make a glass mixer with complex geometry. This special design promotes more efficient mixing in microreactor with gas-liquid flux at low flow rates, compared to conventional serpentine mixers.