National Repository of Grey Literature 15 records found  previous11 - 15  jump to record: Search took 0.00 seconds. 
Nelinearní procesy v koróně laserového plasmatu
Jungwirth, Karel
Results of the systematic studies at PALS of ion acceleration, electron trapping, virtual cathode formation, laser beam selffocusing and dense plasma jets production were presented via the invited lecture.
Prodlužovač impulsů s vysokou spektrální a výkonovou propustností
Divoký, M. ; Smrž, M. ; Straka, Petr
We present a pulse stretcher based on modified Öffner triplet using an off-plane (conical) diffraction under the Littrow configuration. Our system was ray-traced and the results are comparable with a similar design using in-plane diffraction. A slight conical diffraction is not a serious problem which was demonstrated by stretching the 10-fs pulses from a Ti:sapphire laser to ~300 ps and backcompressing them to 16 fs with a high power throughput over the system and low distortion of the pulses.
Diagnostika časové délky optických pulsů v oblasti 12 fs pomocí luminiscenční diody
Smrž, M. ; Divoký, M. ; Straka, Petr
We measured sub-12-fs laser pulses by a light-emitting diode which was a cheap and sensitive nonlinear detector of interferometric autocorrelation. The detector was useful for a simple qualitative diagnostics of pulse compression.
2-D a 3-D modelování chemicky reagujícího proudícího media pro chemický kyslík-jodový laser
Jirásek, Vít
CFD methods are necessary tools for calculations of compressible, subsonic-supersonic flow coupled to a complex chemistry in the chemical oxygen-iodine laser technology. Selected examples of CFD simulations are presented concerning the mixing of gaseous reactants and generation of atomic iodine as a lasing species.

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