下面我们将使用Python和Numpy库来实现一个简单的2D FDTD仿真。在这个示例中,我们将模拟一个无源、非色散的媒质中的电磁波传播。首先,确保您已经安装了Python和Numpy库。如果尚未安装,请通过pip进行安装: pip install numpy 接下来,创建一个Python文件(例如:fdtd_simulation.py),然后编写以下代码:``
silicon/ 2D FDTD simulationlow loss small angle bendY branch configurationsA technique to produce low loss small angle bends in photonic crystal waveguides is presented. The technique consists of bridging parallel input and output waveguide segments with an inclined waveguide region of the same basic ...
FDTD 官网中2DGC耦合优化中的端口及S参数设置: 注入波导的支持模式的主要应用是 提取集成光学组件的s参数(S-parameters),可以不使用模式源,而是使用端口对象。端口对象专门用于S参数提取,端口(ports)同时…
在直角坐标系中,2D的FDTD方程可以表示为: ∂E/∂t = -∇ × (μ₀ * ∇ × E) - 1/(ε₀ * c²) * ∇ × (σ * ∇ × E) 其中,E是电场强度,μ₀是真空中的磁导率,ε₀是真空中的介电常数,c是光速,σ是电导率。 这个方程描述了电场强度E随时间的变化,以及电磁波在空间...
This program simulate PML as absorbing boundary condition for 2D-FDTD of TMz mode EM wave. This program works for any rectangular workspace with same or different step size in x and y directionCite As Abhishek Anchal (2025). PML in 2D FDTD of TMz mode EM wave (https://www.mathworks.com...
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1.In this paper, a novel approach of reduced finite-difference time-domain method (R-FDTD) combined with subgridding technique is proposed and applied to the analysis of microstrip-fed slot antennas.与常规的时域有限差分法(FDTD)和R-FDTD相比,降维时域有限差分法结合亚网格技术明显地减少了内存需求和...
二维柱体散射 FDTD 计算 学号:SX1104021 第 1 页共 22 页 二维柱体散射场 FDTD 计算 作者:袁肖 指导老师:刘少斌 摘要:本文主要讨论了时域有限差分(FDTD)方法,理论分析了时域有限差分算法的原理, 数值稳定性, 吸收边界条件和激励源的设置, 最后给出了二维柱体散射 FDTD 的 MATLAB编程和效果图。 关键词:时域有限...
The performance of such structures in terms of transmission and reflection will be performed and analyzed using 2D-FDTD method.doi:10.1007/978-3-319-48929-2_23Hadjira Abri BadaouiSTIC LaboratoryMehadji AbriTelecommunication LaboratorySpringer, Cham...
N. GranpayehFaculty of Electrical EngineeringSpringer USOptical and Quantum ElectronicsSheikhi, K., & Granpayeh, N, "Complete analysis of photonic crystal fibers by full-vectorial 2D-FDTD method". Optical and Quantum Electronics, 40(13), 991- 1003 (2009)....