Laser-diode-pumped solid-state laser driver at ILE Osaka

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Using a conceptual designing technique developed we evaluate the feasibility of laser diode pumped solid state laser systems which have 1OMJ blue output 10 overall efficiency and 10Hz repetition rate with typical solid state laser materials for the reactor driver from both technical and economical points of view. For an economical laser fusion reactor driver the solid state laser materials are required to have the following properties hw/a 40J/cm2 (hco : the laser photon energy a : the stimulated emission cross section) a thermal shock parameter of ≤3W/cm a nonlinear index of refraction smaller than --3x1013 esu and a fluorescence lifetime of ≤4ms. 1.

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