Titlebook: Laser Interaction and Related Plasma Phenomena; Volume 2 Proceedings Helmut J. Schwarz (Professor of Physics),Heinrich Conference proceedi

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Experiments on Self-Focusing in Laser-Produced Plasmaslasma filaments of ∿10μ diameter which have been detected by means of high spatial resolution, sub-nanosecond, Schlieren photography and interferometry. In this talk the large amount of experimental evidence for self-focusing is reviewed and a number of possible mechanisms discussed.

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Electron-Photon Interactiona thin crystal modulated by laser light which shines through it. The light is then reproduced when the electron beam strikes a nonluminescent target. Further experimental and theoretical results, especially on the monochromaticity requirements for the electron beam, and the quantum mechanical nature of the effect, are reported.

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Interpretation of Cylindrical Langmuir Probe Signals from Streaming Laser-Produced Plasmas expressions for current collected in the flowing plasma case. Theoretical electron current characteristics are calculated and fitted to the experimental curves. Comparison is made with other works using particle collection techniques to diagnose laser-produced plasmas.

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Plasma Production by CO2 Laser. A hot plasma is produced and expands towards the laser into the vacuum. Then the radiation will be absorbed in the plasma near the critical density n., which is given by . where ω. is the laser frequency.

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High Power CO2 Lasers For many years, CO. gas lasers have been recognized as the highest average power sources and their efficiency is considerably higher than for solid state lasers. However, until the TEA laser was developed, the very high peak powers required for plasma interaction studies were not considered possibl

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Chemical Molecular Laserscs which afford high power and efficiency. Within this category are the thermally-pumped gas dynamic lasers (CO. laser transitions) and the bimolecular exchange chemically pumped lasers (HF and CO laser transitions). Experiments in which these exemplifying lasers are established shall be reviewed wi