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时域有限差分法在一维光子晶体数值模拟方面的研究
Study on the FDTD simulation of the 1-D photonics crystal
【摘要】 介绍了时域有限差分法的基本原理,并对一维光子晶体薄膜中传播的电磁场作了模拟和分析。通过对光子晶体透射谱的研究,讨论了不同周期数和不同介电常数比对光子晶体带隙的影响,最后通过在周期介质层状结构中引入缺陷层构造了光子缺陷态。
【Abstract】 The principle of finite difference time domain (FDTD) was presented,and analysis of electromagnetic field in 1D photonics crystal(PC) was performed.Based on the study of transmittance of 1D PC,influence of different periods and dielectric constant ratios on the photonics band gap were discussed.The defect state was formed by introducing the defect layer into period structure.
【关键词】 时域有限差分法;
光子晶体;
光学禁带;
缺陷态;
【Key words】 finite difference time domain(FDTD); photonics crystal; photonics band gap; defect state;
【Key words】 finite difference time domain(FDTD); photonics crystal; photonics band gap; defect state;
【基金】 国家自然科学基金资助项目(60478035)
- 【文献出处】 光学仪器 ,Optical Instruments , 编辑部邮箱 ,2006年04期
- 【分类号】O734
- 【被引频次】6
- 【下载频次】499