Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Armando V. F. Zuffi"'
Publikováno v:
2022 SBFoton International Optics and Photonics Conference (SBFoton IOPC).
Autor:
Mauricio Moralles, Ricardo E. Samad, Edison Puig Maldonado, Sudeep Banerjee, Nilson Dias Vieira, A. Bonatto, Frederico A. Genezini, Roger Pizzato Nunes, Armando V. F. Zuffi
Publikováno v:
2021 SBFoton International Optics and Photonics Conference (SBFoton IOPC).
Electron beams generated by laser wakefield acceleration can induce a photoneutron reaction to convert 100Mo into 99Mo. Multi-pC, several-MeV electron beams, obtained from particle-in-cell simulations, could generate bremsstrahlung gamma photons with
Publikováno v:
2021 SBFoton International Optics and Photonics Conference (SBFoton IOPC).
This work reports the development of a modified Mach-Zehnder interferometer aimed at determining the density of gas targets and laser generated plasmas, in time and space. This interferometer will compose our laboratory implementations for laser wake
Autor:
Nilson D. Vieira Junior, Edson P. Maldonado, Bruno Britto Chiomento, Fabio B. D. Tabacow, Armando V. F. Zuffi, Ricardo E. Samad
Publikováno v:
2021 SBFoton International Optics and Photonics Conference (SBFoton IOPC).
This work reports the development and experimental implementation of a methodology for manufacturing submillimetric de Laval nozzles by ultrashort laser pulses micromachining by trepanning. The use of a ceramic substrate resulted in the fabrication o
Autor:
Nilson Dias Vieira, Ricardo E. Samad, Fabio B. D. Tabacow, Edison Puig Maldonado, Armando V. F. Zuffi
Publikováno v:
2021 SBFoton International Optics and Photonics Conference (SBFoton IOPC).
This work reports a theoretical and experimental study of supersonic gas jets to be used as targets in laser wakefield acceleration. A comparison between theoretical and experimental results ismade in order to estimate the results of a de Laval nozzl
Autor:
Armando V. F. Zuffi, Ricardo E. Samad, Nilson D. Vieira Junior, Fabio B. D. Tabacow, Edison Puig Maldonado
Publikováno v:
2019 SBFoton International Optics and Photonics Conference (SBFoton IOPC).
We evaluate the results of self-modulated, laser wakefield acceleration of electrons in homogeneous, 150-μm-thick hydrogen gas target, simulated using the spectral particle-in-cell algorithm FBPIC. Considering a single 2-TW laser pulse at 800-nm, wh
Publikováno v:
2019 SBFoton International Optics and Photonics Conference (SBFoton IOPC).
This work reports the generation of Below Threshold Harmonics generated in Argon by ultrashort laser pulses. The 3rd, 5th, 7th and 9th harmonics of the laser were generated in the UV and VUV regions, and the frequency conversion occurred in flowing g
Publikováno v:
Frontiers in Optics + Laser Science APS/DLS.
This work reports development of glass nozzles by ultrashort laser pulses machining for studies of harmonic generation in gases. Those nozzles generated odd harmonics (3rd up to 25th) in UV and VUV regions.
Publikováno v:
2018 SBFoton International Optics and Photonics Conference (SBFoton IOPC).
Laser particle acceleration is a rapid growing field due to the compactness and smaller cost when compared to traditional accelerators, as well as the potential for new applications resulting from the unique characteristics of the beams generated. Fr
Publikováno v:
2018 SBFoton International Optics and Photonics Conference (SBFoton IOPC).
This work reports studies on the generation of below threshold harmonics by ultrashort laser pulses in gas nozzles in vacuum. Odd harmonics of the laser, ranging from the 3rd up to the 9th, were generated in the UV and VUV regions, and the frequency