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| 二维旋转复式晶格光子晶体绝对带隙的研究 | |
| 引用本文： | 江英志,廖兴展. 二维旋转复式晶格光子晶体绝对带隙的研究[J]. 广西科学, 2010, 17(1): 61-63 |
| 作者姓名： | 江英志 廖兴展 |
| 作者单位： | 揭阳职业技术学院,广东揭阳,522000;揭阳职业技术学院,广东揭阳,522000 |
| 摘 要： | 设计一种二维旋转复式晶格光子晶体,利用平面波展开方法计算其带隙结构.结果表明,通过优化参量,该结构具有较大的绝对光子禁带,带隙宽度为0.08538(ωa/2πc),禁带宽度与中心频率比值达到17.91%.相对于其它光子晶体结构,该结构更容易产生绝对带隙. |
| 关 键 词： | 二维光子晶体 完全带隙 平面波展开法 复式晶格 |
| 收稿时间： | 2009-07-09 |
| 修稿时间： | 2009-09-03 |
Study on Absolute Photonic Bandgap in Two-Dimensional Compound Lattices Photonic Crystal with Rotating Cylinders |
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| JIANG Ying-zhi and LIAO Xing-zhan. Study on Absolute Photonic Bandgap in Two-Dimensional Compound Lattices Photonic Crystal with Rotating Cylinders[J]. Guangxi Sciences, 2010, 17(1): 61-63 | |
| Authors: | JIANG Ying-zhi and LIAO Xing-zhan |
| Affiliation: | Jieyang Vocational Technology College;Jieyang;Guangdong;522000;China |
| Abstract: | A two-dimensional compound lattices photonic crystal with rotating cylinders is proposed.The bandgap of this structure is calculated by using plan wave expansion method.The result indicate that a large absolute bandgap of this structure can be found by optimizing the parameters,the size of absolute bandgap is 0.08538 and the ratio of the bandgap width to the centre frequency of the bandgap is 17.91%.As to other photonic crystal structure,this structure is easy to form absolute bandgap. |
| Keywords: | two-dimensional photonic crystal absolute bandgap plane wave expansion method compound lattices |
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