Mr. Jihe Du Profile

Jihe Du

at Chongqing University

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Proceedings Article | 16 August 2017 Open Access

FDTD method and models in optical education

Xiaogang Lin, Nan Wan, Lingdong Weng, Hao Zhu, Jihe Du

Proceedings Volume 10452, 104524J (2017) https://doi.org/10.1117/12.2268324

KEYWORDS: Finite-difference time-domain method, Electromagnetism, Computer simulations, Algorithm development, Analytical research, Biological research, Photon polarization, Nanoparticles, Wave propagation

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In this paper, finite-difference time-domain (FDTD) method has been proposed as a pedagogical way in optical education. Meanwhile, FDTD solutions, a simulation software based on the FDTD algorithm, has been presented as a new tool which helps abecedarians to build optical models and to analyze optical problems. The core of FDTD algorithm is that the time-dependent Maxwell’s equations are discretized to the space and time partial derivatives, and then, to simulate the response of the interaction between the electronic pulse and the ideal conductor or semiconductor. Because the solving of electromagnetic field is in time domain, the memory usage is reduced and the simulation consequence on broadband can be obtained easily. Thus, promoting FDTD algorithm in optical education is available and efficient. FDTD enables us to design, analyze and test modern passive and nonlinear photonic components (such as bio-particles, nanoparticle and so on) for wave propagation, scattering, reflection, diffraction, polarization and nonlinear phenomena. The different FDTD models can help teachers and students solve almost all of the optical problems in optical education. Additionally, the GUI of FDTD solutions is so friendly to abecedarians that learners can master it quickly.

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