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A novel three-axis cylindrical hohlraum designed for inertial confinement fusion ignition

机译:一种新型三轴圆柱形空腔,设计用于惯性   约束聚变点火

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摘要

A novel ignition hohlraum for indirect-drive inertial confinement fusion isproposed, which is named as three-axis cylindrical hohlraum (TACH). TACH is akind of 6 laser entrance holes (LEHs) hohlraum, which is made of threecylindrical hohlraums orthogonally jointed. Laser beams are injected throughevery entrance hole with the same incident angle of 55{\deg}. The view-factorsimulation result shows that the time-varying drive asymmetry of TACH is nomore than 1.0% in the whole drive pulse period without any supplementarytechnology such as beam phasing etc. Its coupling efficiency of TACH is closeto that of 6 LEHs spherical hohlraum with corresponding size. Itsplasma-filling time is close to typical cylindrical ignition hohlraum. Itslaser plasma interaction has as low backscattering as the outer cone of thecylindrical ignition hohlraum. Therefore, the proposed hohlraum provides acompetitive candidate for ignition hohlraum.
机译:提出了一种用于间接驱动惯性约束聚变的新型点火点,称为三轴圆柱点(TACH)。 TACH类似于6个激光入射孔(LEHs)孔径,它是由正交接合的三个圆柱形孔径制成的。激光束以相同的入射角55°入射到每个入射孔。仿真结果表明,在没有任何相位补偿等辅助技术的情况下,TACH的时变驱动不对称度在整个驱动脉冲周期内不超过1.0%。其TACH的耦合效率接近6个LEHs球形腔。尺寸。血浆填充时间接近于典型的圆柱形点火孔。其激光等离子体相互作用具有与圆柱形点火孔的外锥一样低的反向散射。因此,所提出的发光喇叭为点火发光喇叭提供了竞争性的候选者。

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