A laptop neutron source suited for the most demanding field or laboratory applications is presented. It is based on laser ablation of CD₂ primary targets, plasma acceleration of the D⁺ ions, and their irradiation of secondary CD₂ targets. The deuterium–deuterium (D-D) fusion reaction is induced in the secondary target, according to the values of fusion cross-section versus deuteron energy, which show a significant probability also at relatively low ion energies. The experiments were completed in the PALS laboratory, Prague, detecting monoenergetic neutrons at 2.45 MeV with an emission flux of about 10⁹ neutrons per laser shot. Other experiments demonstrating the possibility to induce D-D events were performed at IPPLM, Warsaw, and at INFN-LNS, Catania, where the deuterons were accelerated at about 4 MeV and 50 keV, respectively. In the last case, a low laser intensity and a post-ion acceleration system were employed. A special interaction chamber, under vacuum, is proposed to develop a new source of monochromatic neutrons or thermalized distribution of neutrons

中文翻译：

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由高强度脉冲激光产生等离子体控制的 2.5-MeV 中子源

介绍了适用于最苛刻的现场或实验室应用的笔记本电脑中子源。它基于 CD ₂主要目标的激光烧蚀、D ⁺离子的等离子体加速以及它们对次级 CD ₂目标的照射。根据聚变截面与氘核能量的值，氘-氘 (DD) 聚变反应在次级靶中被诱导，这表明在相对较低的离子能量下也有很大的可能性。实验是在布拉格的 PALS 实验室完成的，在 2.45 MeV 检测单能中子，发射通量约为 10 ⁹每次激光射击的中子数。在华沙的 IPPLM 和卡塔尼亚的 INFN-LNS 进行了证明诱发 DD 事件可能性的其他实验，其中氘核分别以约 4 MeV 和 50 keV 加速。在最后一种情况下，采用了低激光强度和后离子加速系统。一个特殊的真空相互作用室被提议开发一种新的单色中子源或中子的热分布