CAJ | 학술논문

由于强流束较强的空间电荷效应，强流束的传输一直是备受关注的问题。基于加速静电透镜的强流束传输和模拟迭代等理论，编写了加速静电透镜的束流传输模拟程序ATLENS，ATLENS适用于强流束在静电透镜中传输的模拟计算。在不同束流流强条件下，用ATLENS与TRANSPORT、PARME-LA等程序进行了模拟计算，并对模拟结果进行了比较分析。结果表明：随着束流流强增大，束流包络曲线横向发散变显著，非自洽解与自洽解的偏差增大。
유우강류속교강적공간전하효응，강류속적전수일직시비수관주적문제。기우가속정전투경적강류속전수화모의질대등이론，편사료가속정전투경적속류전수모의정서ATLENS，ATLENS괄용우강류속재정전투경중전수적모의계산。재불동속류류강조건하，용ATLENS여TRANSPORT、PARME-LA등정서진행료모의계산，병대모의결과진행료비교분석。결과표명：수착속류류강증대，속류포락곡선횡향발산변현저，비자흡해여자흡해적편차증대。
Intense beam transmission has always been playing an important role due to strong space -charge effect of intense beam .Based on theory of intense beam transmission in accelerate electrostatic lens and simula -tive iteration , a computer simulation code ATLENS is developed to calculate intense beam transmission in accell-erate electrostatic lens .ATLENS and other codes were used to simulate different current beam transmission in accelerate electrostatic lens , and the simulation results are compared and analyzed .The simulation results indi-cate that the transverse divergence effect of space -charge effect increases with increasing the beam current , and the deviation of non -self-consistent solution and self -consistent solution becomes more notable .