Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Serge V. Garnov"'
Autor:
Serge V. Garnov, Taras V. Kononenko, Vitali I. Konov, Sergei M. Klimentov, Friedrich Dausinger, Pavel A. Pivovarov, Detlef Breitling
Publikováno v:
SPIE Proceedings.
This work investigates the role of ambient atmosphere in material ablation by ultra-short intense laser pulses. It is shown, that ablative action of femtosecond pulses reveals limitations imposed by nonlinear optical response of gases resulting in si
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0690636949f66315e5ce185b02294557
https://doi.org/10.1117/12.513819
https://doi.org/10.1117/12.513819
Autor:
Taras V. Kononenko, Vitali I. Konov, Sergei M. Klimentov, Serge V. Garnov, Detlef Breitling, Friedrich Dausinger, Pavel A. Pivovarov
Publikováno v:
SPIE Proceedings.
The detailed study of the role of air pressure in deep hole drilling by femtosecond and picosecond intense laser pulses (Ti:Al 2 O 3 and Nd:YAP lasers) was performed in the range 1÷1000 mBar. Steel sample plates were mostly tested, experimental data
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29ee10725c50c17030a3c0b5fbd9ce25
https://doi.org/10.1117/12.486540
https://doi.org/10.1117/12.486540
Publikováno v:
SPIE Proceedings.
Detailed studies of optical and thermal properties of solids are necessary for fundamental science as well as for optimization of technologies of laser processing of materials. The essential temperature dependences of the physical parameters of solid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e5daee637f8ffaac7b46bc2c1b5958a
https://doi.org/10.1117/12.484547
https://doi.org/10.1117/12.484547
Publikováno v:
Photon Processing in Microelectronics and Photonics.
The experimental studies of laser-induced plasma accompanying the laser ablation of material have been conducted with the developed shadow-interferometric technique. High intensity single picosecond pulses of YAP:Nd laser were applied to ablate teste
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8fe5b55b2b723aed0e8713a320cebbcd
https://doi.org/10.1117/12.470643
https://doi.org/10.1117/12.470643
Autor:
Friedrich Dausinger, Christian Foehl, Taras V. Kononenko, Serge V. Garnov, Vitali I. Konov, Sergei M. Klimentov, Joachim Radtke, Detlef Breitling, Andreas Ruf
Publikováno v:
SPIE Proceedings.
The drilling process in different materials (diamond, steel, ceramics and PMMA) was studied for a large range of pulse lengths from about 100 fs to 10 ns using different approaches. In transparent materials the penetration process was visualized with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::61b45c515b04aa8dd0caad9bf36f01e4
https://doi.org/10.1117/12.456901
https://doi.org/10.1117/12.456901
Autor:
Vitali I. Konov, Sergei M. Klimentov, Taras V. Kononenko, Detlef Breitling, Friedrich Dausinger, Serge V. Garnov, Pavel A. Pivovarov
Publikováno v:
SPIE Proceedings.
Experiments on deep drilling of steel by 300 ps, 1 ps and 125 fs laser pulses are reported. The ablation rate dependence on the channel depth was studied and energy losses in through channels for different radiation parameters were measured. The low-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dcbec2a46cee18d8534a591119212e36
https://doi.org/10.1117/12.432516
https://doi.org/10.1117/12.432516
Publikováno v:
Laser Applications in Microelectronic and Optoelectronic Manufacturing IV.
The laser combined express technique has been applied to high temperature (T ≤ 3000 °C) measurements optical (reflectivity, transmission, absorptivity, volume absorptivity) and thermal (heat capacity, temperature conductivity and heat conductivity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b66510613929cd75590c66f2be7a4ad
https://doi.org/10.1117/12.352685
https://doi.org/10.1117/12.352685
Autor:
Vladimir L. Voznyi, Vitaly I. Salo, V. M. Puzikov, Marina I. Kolybayeva, Serge V. Garnov, Igor M. Pritula
Publikováno v:
SPIE Proceedings.
The effect of different crystallization parameters on optical absorption and laser damage threshold of KDP crystals was studied in the present paper. Crystals were grown in the direction of the prespecified angle of synchronism. A significant influen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2760caf0101f315be630f91db7949455
https://doi.org/10.1117/12.344376
https://doi.org/10.1117/12.344376
Autor:
Victor Ralchenko, A. V. Semenov, V. M. Puzikov, Bruce E. Warner, S. A. Uglov, Sergei M. Klimentov, V. E. Strelnitsky, Serge V. Garnov, A.A. Smolin, Elena D. Obraztsova
Publikováno v:
Lasers in Synthesis, Characterization, and Processing of Diamond.
We report on deposition and laser damage test of DLC coatings on silica plates and tip of 0.4 mm diameter fibers. The carbon films were produced by three techniques: (i) pulsed CO2 laser sputtering of glassy carbon targets in high vacuum; (ii) mono-e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ddc3c183ad5496f25731ebe6228130f
https://doi.org/10.1117/12.328202
https://doi.org/10.1117/12.328202
Autor:
Evgenii N Lubnin, Friedrich Dausinger, O. G. Tsarkova, Elena D. Obraztsova, Serge V. Garnov, Vitali I. Konov
Publikováno v:
Lasers in Synthesis, Characterization, and Processing of Diamond.
The laser express technique has been applied to high temperature measurements of CVD diamond reflectivity R and absorption coefficient (alpha) for radiation with 1.06 mm wavelength as well as heat capacity. It was found that at T > 1000 degrees C and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6255d1466f26a2779503bb2d8aae692
https://doi.org/10.1117/12.328211
https://doi.org/10.1117/12.328211