Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Juozas Dudutis"'
Autor:
Lucas Rovige, Joséphine Monzac, Julius Huijts, Igor A. Andriyash, Aline Vernier, Jaismeen Kaur, Marie Ouillé, Zhao Cheng, Vidmantas Tomkus, Valdas Girdauskas, Gediminas Raciukaitis, Juozas Dudutis, Valdemar Stankevic, Paulius Gecys, Rodrigo Lopez-Martens, Jérôme Faure
Publikováno v:
The European Physical Journal. Special Topics
The European Physical Journal. Special Topics, 2022, ⟨10.1140/epjs/s11734-022-00675-7⟩
The European Physical Journal. Special Topics, 2022, ⟨10.1140/epjs/s11734-022-00675-7⟩
International audience; In laser-wakefield acceleration, an ultra-intense laser pulse is focused into an underdense plasma to accelerate electrons to relativistic velocities. In most cases, the pulses consist of multiple optical cycles and the intera
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::201a410530612a56bdb6c47b34ed9459
https://doi.org/10.1140/epjs/s11734-022-00675-7
https://doi.org/10.1140/epjs/s11734-022-00675-7
Autor:
Simon Schwarz, Jokūbas Pipiras, Paulius Gečys, Juozas Dudutis, Ralf Hellmann, Stefan Rung, Gediminas Račiukaitis
Publikováno v:
Procedia CIRP. 94:957-961
Laser-based fabrication, including the ultrashort laser ablation and the subsequent CO2 polishing steps, is a very attractive tool for the complex 2.5D surface structuring, which could be applied for the fabrication of compact optical elements. Howev
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e60210189a34146682cb7b7552c9164c
https://doi.org/10.1016/j.procir.2020.09.085
https://doi.org/10.1016/j.procir.2020.09.085
Autor:
Marek Raclavsky, Juozas Dudutis, Vidmantas Tomkus, Martin Albrecht, Paulius Gečys, S. Lorenz, Uddhab Chaulagain, M. Lamač, Stefan Karatodorov, Miglė Mackevičiūtė, Jaroslav Nejdl
Publikováno v:
International Conference on X-Ray Lasers 2020.
We present a new interferometric technique for gas jets density characterization employing a Wollaston shearing interferometer. The distinctive feature of this setup is the double pass of the probe beam through the gas target facilitated by a relay-i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b28853df4e4ff9da9df71662aa80cdbe
https://doi.org/10.1117/12.2592861
https://doi.org/10.1117/12.2592861
Autor:
Gediminas Račiukaitis, Juozas Dudutis, Valdemar Stankevič, Valdas Girdauskas, Vidmantas Tomkus, Paulius Gečys
Publikováno v:
Applied Surface Science. 483:205-211
In this report, the impact of the wall roughness of the cylindrical micronozzles with the diameter of 50 μm, 100 μm and 200 μm on the concentration profiles of the gas targets for laser plasma wakefield acceleration was investigated. Micronozzles
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c1b7d50357483fb0ba112b717131330
https://doi.org/10.1016/j.apsusc.2019.03.007
https://doi.org/10.1016/j.apsusc.2019.03.007
Publikováno v:
Optics & Laser Technology. 111:331-337
In this paper the possibility to optimize the glass dicing process by controlling the axicon-generated Bessel beam ellipticity is presented. Single-shot intra-volume modifications in soda-lime glass followed by dicing experiments of 1 mm-thick sample
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03289a2db44ab8b4bf779722a07e832c
https://doi.org/10.1016/j.optlastec.2018.10.007
https://doi.org/10.1016/j.optlastec.2018.10.007
Autor:
Juozas Dudutis, Simon Schwarz, Paulius Gečys, Jokūbas Pipiras, Gediminas Račiukaitis, Stefan Rung, Ralf Hellmann
Publikováno v:
Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXVI.
Optical elements are usually fabricated via conventional well-established processes - milling, grinding and polishing. However, these techniques cannot fully satisfy the growing demand for miniaturized optics with tailored properties. An alternative
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dd97e39a3924646a7e66670e55e32f58
https://doi.org/10.1117/12.2574836
https://doi.org/10.1117/12.2574836
Publikováno v:
Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXVI.
In this work, we will introduce the Bessel beam asymmetry control for glass dicing applications. Asymmetrical Bessel beam can be used to form modifications inside the glass with dominant crack propagation direction optimizing the dicing speed and sam
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e5a3bb24c14522b14344a2f79fddc2e
https://doi.org/10.1117/12.2574841
https://doi.org/10.1117/12.2574841
Autor:
Lucas Rovige, Paulius Gečys, Aline Vernier, F. Sylla, Igor Andriyash, Gediminas Račiukaitis, Valdas Girdauskas, Jérôme Faure, Vidmantas Tomkus, Juozas Dudutis, Julius Huijts, Valdemar Stankevič
Publikováno v:
Review of Scientific Instruments
Review of Scientific Instruments, American Institute of Physics, 2021, 92 (8), pp.083302. ⟨10.1063/5.0051173⟩
Review of Scientific Instruments, American Institute of Physics, 2021, 92 (8), pp.083302. ⟨10.1063/5.0051173⟩
International audience; Shocks in supersonic flows offer both high density and sharp density gradients that are used, for instance, for gradient injection in laser-plasma accelerators. We report on a parametric study of oblique shocks created by inse
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e517d9f4067e654d5a9c847832c6089e
https://hal.archives-ouvertes.fr/hal-03419506/document
https://hal.archives-ouvertes.fr/hal-03419506/document
Autor:
Juozas Dudutis, Eimantas Daknys, Paulius Gečys, Rokas Stonys, Gediminas Račiukaitis, Artūras Kilikevičius, Albinas Kasparaitis, Jokūbas Pipiras
Publikováno v:
Optics express. 28(21)
With the development of industrial lasers and novel glass processing techniques, which offer high speed, quality and precision, this becomes an attractive alternative to conventional methods, such as mechanical scribing and cleaving, diamond saw and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::facf417e843fb11ec2a3dd0c2ed7dcf3
https://pubmed.ncbi.nlm.nih.gov/33115177
https://pubmed.ncbi.nlm.nih.gov/33115177
Autor:
Valdas Girdauskas, Anders Persson, Valdemar Stankevič, Vidmantas Tomkus, Juozas Dudutis, Isabel Gallardo González, Diego Guenot, Jonas Björklund Svensson, Gediminas Račiukaitis, Paulius Gečys, Olle Lundh
Publikováno v:
Scientific Reports
Scientific Reports, Vol 10, Iss 1, Pp 1-17 (2020)
Scientific Reports, Vol 10, Iss 1, Pp 1-17 (2020)
Laser Plasma Wakefield Accelerated (LWFA) electron beams and efficiency of betatron X-ray sources is studied using laser micromachined supersonic gas jet nozzle arrays. Separate sections of the target are used for the injection, acceleration and enha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d0f02864b2f501573098a11535d39def
http://europepmc.org/articles/PMC7545103
http://europepmc.org/articles/PMC7545103