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太赫兹脉冲大气传输衰减特性

Atmospheric attenuation characteristics of terahertz pulse propagation

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摘要

太赫兹大气传输是太赫兹科学技术及其应用的重要组成部分,渗透于所有的太赫兹应用技术领域。研究基于辐射传输、色散理论和 Van-Vleck Weisskopf线型,结合喷气推进实验室 (JPL)数据库,建立了太赫兹脉冲大气传输衰减与色散模型,对 0.1 THz~1 THz频段太赫兹辐射在水汽中的吸收衰减特性进行了数值模拟研究,与现有的文献数据进行了比对。通过计算太赫兹脉冲大气传输,分析不同水汽密度和传输距离对波形幅值、相位及频谱特性的影响,得到了 3个比较稳定的太赫兹脉冲大气传输窗口0.14 THz~0.17 THz、0.19 THz~0.32 THz和 0.32 THz~0.37 THz,为太赫兹通信和时域太赫兹空间传输提供了理论参考。

Abstract

THz atmospheric transmission is an important part of science and technology,which has permeated into almost all applications of terahertz technology. Research on terahertz atmospheric transmission is nearly on horizontal level in the existing literature. A dispersion attenuation model of terahertz atmospheric transmission is presented based on the radiation transfer, dispersion theory and Van-Vleck Weisskopf line-shape combined with Jet Propulsion Laboratory(JPL) database. The absorbing attenuation characteristics of terahertz atmospheric transmission along the slant path between 0.1 THz and 1 THz are studied using this model and compared with the existing literature. The influences of water vapor with different densities on the amplitude, phase and spectrum of the transient terahertz pulse are analyzed. Three relatively stable atmospheric transmission windows in 0.14 THz-0.17 THz,0.19 THz-0.32 THz and 0.32 THz-0.37 THz are obtained. This work has provided a theoretical reference forterahertz time-domain communications and space transmission.

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中图分类号:TN957

DOI:10.11805/tkyda201502.0208

所属栏目:太赫兹科学技术

基金项目:国家高技术研究发展计划基金资助项目 (863计划)

收稿日期:2014-10-30

修改稿日期:2014-12-04

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王玉文:中国工程物理研究院 a.研究生部,北京 100088
董志伟:中国工程物理研究院 b.微系统与太赫兹研究中心,四川绵阳 621999北京应用物理与计算数学研究所,北京 100094
李瀚宇:中国工程物理研究院 b.微系统与太赫兹研究中心,四川绵阳 621999北京应用物理与计算数学研究所,北京 100094
房艳燕:中国工程物理研究院 a.研究生部,北京 100088

联系人作者:王玉文(360204002@qq.com)

备注:王玉文(1990–),男,宁夏回族自治区中卫市人,在读博士研究生,主要研究方向为太赫兹大气传输。

【1】Dragoman D,Dragoman M. Terahertz fields and applications[J]. Progress in Quantum Electronics, 2004,28(1):1-66.

【2】Siegel P H. Terahertz technology[J]. IEEE Trans. on Microw. Theory Technol, 2002,50(3):910-928.

【3】李瀚宇,董志伟,周海京,等. 太赫兹电磁波大气吸收衰减逐线积分计算[J]. 强激光与粒子束, 2013,25(6):1445-1449. (LI Hanyu,DONG Zhiwei,ZHOU Haijing,et al. Calculation of atmospheric attenuation of THz electromagnetic wave through line by line integral[J]. High Power Laser and Particle Beams, 2013,25(6):1445-1449.)

【4】Sakai K,Ed. Terahertz Optoelectronics[M]. Heidelberg,Germany:Springer Berlin, 2005.

【5】Wanke Michael Clement, Mangan M A, Foltynowicz R J. Atmospheric propagation of THz radiation[P]. No. SAND2005-6389. Sandia National Laboratories, 2005.

【6】Emery R J,Moffat P,Bohlander R A,et al. Measurements of anomalous atmospheric absorption in the wavenumber range 4 cm-1-15 cm-1[J]. Journal of Atmospheric and Terrestrial Physics, 1975,37(4):587-594.

【7】Pardo J R,Serabyn E R,Cernicharo J. Submillimeter atmospheric transmission measurements on Mauna Kea during extremely dry El Ni.o conditions:implications for broadband opacity contributions[J]. Journal of Quantitative Spectroscopy and Radiative Transfer, 2001,68(4):419-433.

【8】Danylov A. THz laboratory measurements of atmospheric absorption between 6% and 52% relative humidity[R]. Lowell,USA:Submillimeter-Wave Technology Laboratory, University of Massachusetts, 2006.

【9】Wohnsiedler S,Theuer M,Herrmann M,et al. Simulation and experiment of terahertz stand-off detection[C]// Proc. SPIE 7215,72150H, 72150H-8, 2009.

【10】YANG Yihong ,Shutler Alisha,Grischkowsky D. Measurement of the transmission of the atmosphere from 0.2 to 2 THz[J]. Optics Express, 2011,19(9):8830-8838.

【11】LIU Shenggang,ZHANG Ping, LIU Weihao,et al. Surface polariton Cherenkov light radiation source[J]. Phys. Rev. Lett. 2012,109(15):153902.

【12】WANG R,YAO J Q,XU D G,et al. The physical theory and propagation model of THz atmospheric propagation[J]. Journal of Physics, 2011,276(1):012223.

【13】CUI Haixia,YAO Jianquan,WAN Chunming. The study on THz wave propagation feature in atmosphere[J]. Journal of Physics:Conference Series, 2011,276(1):012225

【14】张华,石广玉,刘毅.两种逐线积分辐射模式大气吸收的比较研究[J]. 大气科学, 2005,129(14):581-593. (ZHANG Hua,SHI Guangyu,LIU Yi. A comparison between the two line-by-line integration algorithms[J]. Chinese Journal of Atmospheric Sciences, 2005,129(14):581-593.)

【15】张华,石广玉,刘毅.线翼截断方式对大气辐射计算的影响[J]. 气象学报, 2007,65(6):968-975. (ZHANG Hua,SHI Guangyu,LIU Yi. The effects of line-wing cutoff on radiative calculations[J]. ACTA Meteorologica Sinica, 2007,65(6):968-975.)

【16】Van Vleck J H,Weisskopf V F. On the shape of collision-broadened lines[J]. Reviews of Modern Physics, 1945,17(2-3):227-236.

【17】Pickett H M,Poynter R L,Cohen E A,et al. Submillimeter,millimeter, and microwave spectral line catalog[J]. Journal of Quantitative Spectroscopy and Radiative Transfer, 1998,60(5):883-890.

【18】Allen L,Eberly J H. Optical Resonance and Two-Level-Atoms[M]. New York:John Wiley & Sons, 1975.

【19】Burch D E,Gryvnak D A. Continuum absorption by water vapor in the infrared and millimeter regions[J]. Atmospheric Water Vapor,1980:47-76.

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