Magnetic Thrust Chamber Propulsion System for Controlling Laser-Produced Plasma by Magnetic Fields

概要

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Laser Fusion Rocket (LFR) is an advanced propulsion system that converts Inertial Fusion Energy into thrust energy in Magnetic Thrust Chamber. We study this system through numerical simulation and laser-produced plasma experiment at Extreme Ultra-Violet (EUV) facility of Institute of Laser Engineering (ILE), Osaka University. We conducted experiments at that facility that has single-beam Nd:YAG laser (the maximum energy 2 J). We observed polystyrene plasma distribution in magnetic field of neodymium permanent magnet. The results of those experiments show that the laser-produced plasma was redirected by magnetic field. In the future, we plan to measure Impulse bit with a thrust stand at GEKKO-XII facility of ILE that has 12-beam glass laser (the maximum energy 6 kJ).