模拟光束在二维三维介质中传输

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模拟光束在二维三维介质中传输，用FDTD法，matlab语言编写

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To simulate the propagation of a beam of light in two- and three-dimensional media, one can use the Finite-Difference Time-Domain (FDTD) method. This method involves discretizing the space and time domains and numerically solving the Maxwell's equations. One can implement this method using the MATLAB programming language, which provides a convenient and versatile platform for scientific computing. With this approach, researchers and engineers can study the behavior of light waves in various materials and geometries, and gain insights into the fundamental physics and practical applications of optics.