太赫兹波的“半波损失”现象“HALF-WAVE LOSS” PHENOMENON OF TERAHERTZ WAVE
詹洪磊,陈儒,苗昕扬,赵昆
摘要(Abstract):
半波损失是大学物理教学中比较重要且抽象的概念,本文通过太赫兹光谱技术对石英比色皿进行测试直观地观测到半波损失现象。太赫兹波在空比色皿中经过多次反射后会产生半波损失现象,太赫兹时域光谱能够观测到太赫兹波的相位信息,从而观察到太赫兹波的半波损失现象,并经过多种比色皿测试得以证明。本文研究了太赫兹波的这一频段的物理特性,使得太赫兹技术可作为对半波损失现象直接观测的有效手段,值得在大学物理及实验教学中应用。
关键词(KeyWords): 太赫兹波;半波损失;相位;物理实验
基金项目(Foundation): 国家自然科学基金(NO.11574401);; 北京市自然科学基金青年项目(NO.1184016);; 中国石油大学(北京)2019年“本科教学工程”项目(《油气光学探测材料与技术》云教材建设;; 中国石油大学(北京)科研基金(ZX20190163、2462017YJRC029)
作者(Author): 詹洪磊,陈儒,苗昕扬,赵昆
参考文献(References):
- [1] 左武魁,周惟公,魏民云,等.半波损失的形成和机理分析[J].物理通报,2019(1):33-35.ZUO W K,ZHOU W G,WEI M Y,et al.Formation and mechanism analysis of half-wave loss[J].Physics Bulletin,2019(1):33-35.(in Chinese)
- [2] 张玉萍.波动学中的两个基本概念[J].物理与工程,2004(4):57-61.ZHANG Y P.Two basic concepts in wave science[J].Physics and Engineering,2004(4):57-61.(in Chinese)
- [3] 黄坤,纪昌银,史庆藩.“半波损失”的实验研究[J].大学物理,2013,32(8):54-58,65.HUANG K,JI C Y,SHI Q F.Experimental research on “Half-wave Loss”[J].College Physics,2013,32(8):54-58,65.(in Chinese)
- [4] 李春燕,常清英,何志巍,等.劳埃德镜实验条件的讨论[J].物理通报,2012(7):33-34.LI C Y,CHANG Q Y,HE Z W,et al.The condition of Lloyd mirror half-wave loss experiment[J].Physics Bulletin,2012(7):33-34.(in Chinese)
- [5] 丁桂军.机械波在界面的反射、透射和半波损失[J].大学物理,2018,37(4):8-10,15.DING G J.Derivation of reflection wave,transmission wave and half wave loss of mechanical waves[J].College Physics,2018,37(4):8-10,15.(in Chinese)
- [6] ZHAN H L,XI J F,ZHAN K,et al.A spectral-mathematical strategy for the identification of edible and swill-cooked dirty oils using terahertz spectroscopy[J].Food Control,2016,67:114-118.
- [7] ZHAN H L,CHEN R,MIAO X Y,et al.Size effect on Microparticle Detection[J].IEEE Transactions on Terahertz Science and Technology,2018,8(5):477-481.
- [8] 詹洪磊,王焱,苗昕扬,等.利用太赫兹技术测量冰的融化速率[J].物理与工程,2019,29(2):94-99.ZHAN H L,WANG Y,MIAO X Y,et al.Measuring the melting rate of ice using Terahertz technique[J].Physics and Engineering,2019,29(2):94-99.(in Chinese)
- [9] ZHAN H L,ZHAO K,ZHAO H,et al.The spectral analysis of fuel oils using terahertz radiation and chemometric methods[J].Journal of Physics D:Applied Physics,2016,49(39):395101.
- [10] BAO R M,QIN F K,CHEN R,et al.Optical detection of oil bearing in reservoir rock:Terahertz spectroscopy investigation[J].IEEE Access,2019,7:121755-121759.
- [11] LI Y Z,WU S X,XIAO L Y,et al.Optimization of pyrolysis efficiency based on optical property of semicoke in terahertz region[J].Energy,2017,126:202-207.
- [12] 冯朝桢.电磁波半波损失分析[J].大学物理,2013,32(7):25-28.FENG C Z.Analysis half-wave loss of electromagnetic wave[J].College Physics,2013,32(7):25-28.(in Chinese)
- [13] BORN M,WOLF E.Principles of optics:Electromagnetic theory of propagation,interference and diffraction of light[M].Elsevier,2013.
- [14] ZHAN H L,ZHAO K,XIAO L Z.Spectral characterization of the key parameters and elements in coal using terahertz spectroscopy[J].Energy,2015,93:1140-1145.
- [15] YANG Y H,MANDEHGAR M,GRISCHKOWSKY D.Time domain measurement of the THz refractivity of water vapor[J].Optics express,2012,20(24):26208-26218.