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含Mie谐振颗粒复合材料辐射特性分析
  • ISSN号：0253-231X
  • 期刊名称：工程热物理学报
  • 时间：2013.8.8
  • 页码：1548-1551
  • 分类：TK124[动力工程及工程热物理—工程热物理;动力工程及工程热物理—热能工程]
  • 作者机构：[1]南京理工大学能源与动力工程学院,江苏南京210094, [2]南京航空航天大学能源与动力工程学院,江苏南京210016
  • 相关基金：国家自然科学基金资助项目（No.50936002;No.51006053）
  • 相关项目：谐振颗粒球微结构单元负折射材料热辐射机理分析
作者： 李佳玉|宣益民|李强|韩玉阁|
关键词： 等效光学常数, 负折射率, 颗粒复合材料, Mie理论, effective optical constants, negative indeX, particulate composite, Mie theory
中文摘要：

颗粒球由于Mie谐振而使其复合材料能够在较高频段具有各向同性负折射效应，本文以Ag或Ge球形颗粒或Ge包覆Ag颗粒构成的包覆层颗粒分散于LiTaO3基体介质中构成的几种复合介质为研究对象。基于Mie理论和有效介质理论计算表征电磁波与颗粒复合材料相互作用过程的等效光学常数，分析这几种类型介质的负折射现象；基于建立的光学常数模型和电磁理论模拟了这几类复合介质的吸收特性，通过与在正折射频段的比较，分析其在负折射频段的辐射吸收机理。

英文摘要：

Mie resonances of spherical particles make the negative index medium with higher operating frequencies possible for particulate composite. The Ge-particle-dispersed LiTaOa composites, Ag-particle-dispersed LiTaO3 composites and Ge coated Ag-particle-dispersed LiTaO3 composites are taken as examples in this paper. The effective optical constants that describe the interaction between electromagnetic wave and particulate composite are calculated based on effective medium theory and Mie theory, and the negative refractive phenomenon is compared between these particulate composites. The absorption efficiencies for these composites are calculated based on the constructed optical constants model and electromagnetic theory. Their radiation absorption in negative refraction frequencies is analyzed by compared with that in positive refraction frequencies.

同期刊论文项目
谐振颗粒球微结构单元负折射材料热辐射机理分析
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期刊信息
  • 《工程热物理学报》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国工程热物理学会 中国科学院工程热物理研究所
  • 主编：徐建中
  • 地址：北京2706信箱
  • 邮编：100080
  • 邮箱：xb@mail.etp.ac.cn
  • 电话：010-62584937
  • 国际标准刊号：ISSN：0253-231X
  • 国内统一刊号：ISSN：11-2091/O4
  • 邮发代号:2-185
  • 获奖情况:
  • 中国期刊方阵“双效”期刊
  • 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,美国工程索引,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:21026