Efficient ion acceleration using two-layer thin film target for picosecond petawatt laser driven neutron generation ピコ秒ペタワットレーザー駆動中性子発生のための2層薄膜ターゲットによ るイオン加速の効率化

Neutrons are expected to be used in various applications such as radiography technology, and numerous neutron generation experiments using lasers have been done. In order to improve the number of neutron generation, efficient acceleration of protons and deuterons is necessary. Acceleration experiments of protons and deuterons by LFEX laser have been conducted with CD (deuterated polystyrene) as a target. In this research, to further improve the accelerated ion energy, we conducted the experiments with the Au coated CD foil target. We measured the maximum energy of protons was enhanced for with coated CD foil.