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Scattering and propagation of terahertz pulses in random soot aggregate systems
  • ISSN号：1674-1056
  • 期刊名称：《中国物理B：英文版》
  • 时间：0
  • 分类：TN011[电子电信—物理电子学] X131.3[环境科学与工程—环境科学]
  • 作者机构：[1]School of Physics and Optoelectronic Engineering, Xidian University, Xi' an 710071, China
  • 相关基金：Project supported by the National Natural Science Foundation of China （Grant Nos. 60971065, 61308025, and 61172031） and the Fundamental Research Funds for the Central Universities of Ministry of Education of China （Grant No. K5051207014）.
作者： 李海英[1], 吴振森[1], 白璐[1], 李正军[1]
关键词： 太赫兹脉冲, 聚集系统, 随机介质, 传播理论, 散射特性, 集合体, 烟尘, 有限扩散凝聚, soot aggregate systems, terahertz pulse, scattering and propagation
中文摘要：

Scattering and propagation of terahertz pulses in random soot aggregate systems are studied by using the generalized multi-particle Mie-solution(GMM) and the pulse propagation theory. Soot aggregates are obtained by the diffusion-limited aggregation(DLA) model. For a soot aggregate in soot aggregate systems, scattering characteristics are analyzed by using the GMM. Scattering intensities versus scattering angles are given. The effects of different positions of the aggregate on the scattering intensities, scattering cross sections, extinction cross sections, and absorption cross sections are computed and compared. Based on pulse propagation in random media, the transmission of terahertz pulses in random soot aggregate systems is determined by the two-frequency mutual coherence function. Numerical simulations and analysis are given for terahertz pulses(0.7956 THz).

英文摘要：

Scattering and propagation of terahertz pulses in random soot aggregate systems are studied by using the generalized multi-particle Mie-solution （GMM） and the pulse propagation theory. Soot aggregates are obtained by the diffusion-limited aggregation （DLA） model. For a soot aggregate in soot aggregate systems, scattering characteristics are analyzed by using the GMM. Scattering intensities versus scattering angles are given. The effects of different positions of the aggregate on the scattering intensities, scattering cross sections, extinction cross sections, and absorption cross sections are computed and compared. Based on pulse propagation in random media, the transmission of terahertz pulses in random soot aggregate systems is determined by the two-frequency mutual coherence function. Numerical simulations and analysis are given for terahertz pulses （0.7956 THz）.

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期刊信息
  • 《中国物理B：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国物理学会和中国科学院物理研究所
  • 主编：欧阳钟灿
  • 地址：北京 中关村 中国科学院物理研究所内
  • 邮编：100080
  • 邮箱：
  • 电话：010-82649026 82649519
  • 国际标准刊号：ISSN：1674-1056
  • 国内统一刊号：ISSN：11-5639/O4
  • 邮发代号:
  • 获奖情况:
  • 国内外数据库收录:
  • 被引量:406