Self-focusing and its related interactions at very high laser intensities for fast ignition at Osaka University |
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Institution: | 1. Institute of Laser Engineering, Osaka University, Japan;2. The Faculty of Engineering, OsakaUniversity, Japan;3. Japan Atomic Energy Research, Japan;4. Lawrence Livermore National Laboratory, USA |
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Abstract: | At the Institute of Laser Engineering, various type of experiments related to fast ignition were performed with the 12-beam laser system GEKKO XII and the newly added 100 TW beams line. Using both X-ray and UV laser probes, drilling via ponderomotive laser light self-focusing was studied to show drilling well into the overdense plasma over a distance of 100 μ m at a self-focused laser intensity of 1018 W / cm 2 . This type of self-focusing accelerated electrons up to 0.1 to 1 MeV and was also applied to an imploding shell. |
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