我们可以由所谓的光束传播法(BPM-Beam Propagation Method)开始介绍,在光学领域里,过去的20年里一直致力于广泛的研究以及大规模BPM的开发,事实上,这些方法是以光束自然单向传播的数值描述为...
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The propagation characteristics of several kinds of laterally tapered transitional waveguides are analyzed using the beam propagation method(BPM).
基于光束传播法，对几种只沿纵向变化的锥形过渡波导的传输特性进行了分析。
The finite difference beam propagation method(FD-BPM) can simulate the performance of the waveguide accurately.
有限差分束传播法则能够准确地模拟波导的性能。
It studied simple transparent boundary condition (STBC) and complete transparent boundary condition (CTBC) used in beam propagation method (BPM) and their effects on calculation accuracy.
研究了束传播算法(BPM)中简单透明边界条件(STBC)和完全透明边界条件(CTBC)两种边界处理算法对计算结果精度的影响。
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