Shaping the CPML Absorbing Boundary Condition to Eliminate Impinging Light at a Specific Position inside Electromagnetic Simulations
In this research we explore the possibility to implement an optical target that eliminates incoming wave in finite-different time-domain(FDTD)simulations.This is achieved by a modified morphology of an absorbing boundary condition(ABC).In particular,our model is based on convolutional perfectly matched layers(CPML)ABC.To validate this method,a cylindrical CPML region is constructed as artificial absorbing material and simulated using a two-dimensional FDTD algorithm.Its performance is analyzed for focused beam wave source conditions.Varying the spatial size of the circular CPML,we compute the absorption efficiency for a wide range of applications and demonstrate its performance as a numerical optical target in FDTD simulations.We demonstrate that the reported simulation construct can effectively eliminate impinging light wave for a macroscopic light scattering simulation.
Sergio Cantero Shuai-Hsun Lee Snow H.Tseng
Graduate Institute of Photonics and Optoelectronics National Taiwan University,Taipei 10617,Taiwan
国际会议
Progress in Electromagnetics Research Symposium 2014(2014年电磁学研究新进展学术研讨会)
广州
英文
2445-2449
2014-08-01（万方平台首次上网日期，不代表论文的发表时间）