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各向异性左手材料平面波导TE模的传输特性
  • ISSN号：1001-5868
  • 期刊名称：《半导体光电》
  • 时间：0
  • 分类：TN814[电子电信—信息与通信工程]
  • 作者机构：湖州师范学院理学院, 上海大学通信与信息工程学院
  • 相关基金：国家自然科学基金项目(60937003;61275070)
作者： 沈陆发, 王子华
关键词： 平面波导, 左手材料, 色散特性, 损耗特性
中文摘要：

对芯层为左手材料而覆盖层和衬底均为不同普通材料的三层平面波导进行了探讨。考虑损耗、色散和各向异性的左手材料,利用TE模的色散方程,结合模阶数、波导厚度以及电磁衰减系数的变化,画出了相关的色散曲线和损耗曲线。根据这些曲线,发现对于TE2模,在频率为4.03GHz附近,波导厚度为5mm,它有非常大的有效折射率(接近80);当频率从4.0GHz增加到6.0GHz,色散曲线的斜率为正、零和负。正斜率为正常色散,负斜率为反常色散,零斜率则群速为零。对于高阶TE模,当频率为4.03GHz时,它的损耗是最大的;当频率超过5.0GHz后,波导厚度以及电磁衰减常数的变化对TE模的损耗特性影响不大,这些新特性为制备小型化的波导器件提供了理论基础。

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期刊信息
  • 《半导体光电》
  • 中国科技核心期刊
  • 主管单位:信息产业部
  • 主办单位:中国电子科技集团公司第四十四研究所（重庆光电技术研究所）
  • 主编：江永清
  • 地址：重庆市南岸区南坪花园路14号
  • 邮编：400060
  • 邮箱：soe@163.net
  • 电话：023-65860286
  • 国际标准刊号：ISSN：1001-5868
  • 国内统一刊号：ISSN：50-1092/TN
  • 邮发代号:
  • 获奖情况:
  • 重庆市首届十佳期刊称号，1999年,信息产业部1999-2000年度优秀电子期刊称号
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:5924