涡旋电磁波在太赫兹波段传输特性初探
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- 英文论文题名：Preliminary Study on Propagation Properties of Electromagnetic Vortex on THz Wave
- 论文作者：吕兆峰 ; 林乐科 ; 卢昌胜 ; 曹仲晴 ; 张鑫
- 英文论文作者：LV Zhao-feng ; LIN Le-ke ; LU Chang-sheng ; CAO Zhong-qing ; ZHANG Xin ; National Key Laboratory of Electromagnetic Environment ; China Research Institute of Radiowave Propagation
- 年：2017
- 作者机构：中国电波传播研究所电波环境特性及模化技术重点实验室;
- 论文关键词：涡旋电磁波 ; 太赫兹 ; 波束
- 英文论文关键词：Vortex electromagnetic wave ; THz wave ; wave beam
- 会议召开时间：2017-05-08
- 会议录名称：2017年全国微波毫米波会议论文集（中册）
- 英文会议录名称：Proceedings of 2017 National Conference on Microwave and Millimeter Waves(NCMMW2017)
- 语种：中文
- 分类号：O441
- 学会代码：ZDWB
- 会议名称：2017年全国微波毫米波会议
- 会议地点：中国浙江杭州
- 主办单位：中国电子学会
- 学会名称：中国电子学会微波分会
- 页数：4
- 文件大小：1099k
- 原文格式：D
- 会议级别：全国
摘要
涡旋电磁波的OAM复用拥有高效频谱利用和抗干扰两项引人注目的特性。由于涡旋电磁波较普通电磁波波束中心存在凹陷且更加发散,整个涡旋电磁波波束呈现中空的倒锥形,故随着传输距离增大,其波束尺寸也增大,所需接收天线尺寸也越来越大。通过理论计算分析在太赫兹波段不同频率、不同模阶数、不同传输距离条件下涡旋电磁波环形波束的尺寸大小。
Vortex electromagnetic wave OAM multiplexing has two attractive properties of high spectrum utilization and anti-interference.Due to Vortex electromagnetic wave beam is sunken in the center, the whole beam of the Vortex electromagnetic wave appear as a hollow cone, hence as the transmission distance farther,the size of the beam bigger and the receiving antenna should be more and more bigger. In THz frequency,through the theory analysis different frequencies、orders、transmission distance conditions influence the size of vortex electromagnetic wave beam.
Vortex electromagnetic wave OAM multiplexing has two attractive properties of high spectrum utilization and anti-interference.Due to Vortex electromagnetic wave beam is sunken in the center, the whole beam of the Vortex electromagnetic wave appear as a hollow cone, hence as the transmission distance farther,the size of the beam bigger and the receiving antenna should be more and more bigger. In THz frequency,through the theory analysis different frequencies、orders、transmission distance conditions influence the size of vortex electromagnetic wave beam.
引文
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2 .ThidéB,Then H,Sj olm J,et al.Utilization of photon orbital angular momentum in the low-frequency radio domain[J].Physical R eview Letters,2007,99(8):0877011-0877014.
3 .Tamburini F,Mari E,ThidéB,et al.Experimental verification of photon angular momentum and vorticity with radio techniques[J].Applied Physics Letters,2011(20):204102-204102-3.
4 .Jackson J D.Classical electrodynamics[M].New York etc.:Wiley,1962.24-47.
5 .Cohen-Tannoudji C,Dupont-Roc J,Grynberg G.Introduction to the covariant for mulation of quantum electro dynamics[M].USA:Wiley-VCHVerlag Gmbh,1989.361-455.
6 .Mohammadi S,Daldorff L,Bergman J,et al.Orbital angular momentum in radio a system study[J].IEEE Transactions on Antennas and Propagation,2010,58(2):565-572。