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Your search keyword '"Stupka, Michal"' showing total 9 results
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9 results on '"Stupka, Michal"'

1. Development and applications of 10-mJ x-ray lasers at PALS.

Author

Mocek, Tomas, Rus, Bedrich, Kozlova, Michaela, Polan, Jiri, Prag, Ansgar R., Stupka, Michal, Homer, Pavel, Tallents, Greg, Edwards, Matthew, Mistry, Pritesh, Whittaker, David, Bittner, Michal, Juha, Libor, Jamelot, Gerard, Cassou, Kevin, Kazamias, Sophie, Ros, David, Klisnick, Annie, Boussoukaya, Mustapha, and Davidkova, Marie

Published
2005
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5. Comparing ablation induced by fs, ps, and ns XUV-laser pulses.

Author

Bittner, Michal, Juha, Libor, Chvostova, Dagmar, Letal, Vit, Krasa, Josef, Otcenasek, Zdenek, Kozlova, Michaela, Polan, Jiri, Praeg, Ansgar R., Rus, Bedrich, Stupka, Michal, Krzywinski, Jacek, Andrejczuk, Andrzej, Pelka, Jerzy B., Sobierajski, Ryszard, Feldhaus, Josef, Boody, Frederick P., Grisham, Michael E., Vaschenko, Georgiy O., and Menoni, Carmen S.

Published
2004
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6. Short-wavelength ablation of solids: pulse duration and wavelength effects.

Author

Juha, Libor, Bittner, Michal, Chvostova, Dagmar, Letal, Vit, Krasa, Josef, Otcenasek, Zdenek, Kozlova, Michaela, Polan, Jiri, Prag, Ansgar R., Rus, Bedrich, Stupka, Michal, Krzywinski, Jacek, Andrejczuk, Andrzej, Pelka, Jerzy B., Sobierajski, Ryszard H., Ryc, Leszek, Feldhaus, Josef, Boody, Frederick P., Fiedorowicz, Henryk, and Bartnik, Andrzej

Published
2004
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7. High-Resolution Mode-Locked Laser Rangefinder With Harmonic Downconversion.

Author

Pesatori, Alessandro, Norgia, Michele, Svelto, Cesare, Zucco, Massimo, Stupka, Michal, and De Marchi, Andrea

Subjects
RANGEFINDERS (Engineering), HETERODYNE reception, DISPLACEMENT (Mechanics), TIME-of-flight measurements, PHOTODIODES
Abstract

The development of new pulsed optical sources with high pulse stability allows the improvement of common contactless measurement techniques. A new two-way optical rangefinder, employing a femtosecond laser, is presented here from design to implementation. The system is based on the evaluation of the phase delay of the returning optical pulse train with respect to the outgoing one. The main idea is to expand the time interval corresponding to the phase delay by harmonic heterodyne downconversion of a high harmonic of the pulse repetition rate (up to 10 GHz), which is applied symmetrically to the two channels. The system has shown 10 \mu\m repeatability with a resolution that improves proportionally to the number of the employed harmonic. [ABSTRACT FROM AUTHOR]

Published
2012
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8. Experimental study of radiative shocks at PALS facility.

Author

STEHLÉ, CHANTAL, GONZÁLEZ, MATTHIAS, KOZLOVA, MICHAELA, RUS, BEDRICH, MOCEK, TOMAS, ACEF, OUALI, COLOMBIER, JEAN PHILIPPE, LANZ, THIERRY, CHAMPION, NORBERT, JAKUBCZAK, KRZYSZTOF, POLAN, JIRI, BARROSO, PATRICE, BAUDUIN, DANIEL, AUDIT, EDOUARD, DOSTAL, JAN, and STUPKA, MICHAL

Subjects
IODINE lasers, ULTRAVIOLET spectroscopy, ACCRETION (Astrophysics), SPECTRUM analysis, T Tauri stars
Abstract

We report on the investigation of strong radiative shocks generated with the high energy, sub-nanosecond iodine laser at PALS. These shock waves are characterized by a developed radiative precursor and their dynamics is analyzed over long time scales (∼50 ns), approaching a quasi-stationary limit. We present the first preliminary results on the rear side XUV spectroscopy. These studies are relevant to the understanding of the spectroscopic signatures of accretion shocks in Classical T Tauri Stars. [ABSTRACT FROM AUTHOR]

Published
2010
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