The THz spectra and analysis of Bi4Ge3O12 crystal - 文章详情页

作者：

Wang, Yali (Wang, Yali.) | Hou, Bihui (Hou, Bihui.) | Wang, Haiyan (Wang, Haiyan.) | Zhao, Guozhong (Zhao, Guozhong.) | Yang, Bingxin (Yang, Bingxin.)

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EI Scopus

摘要：

THz　time　domain　spectra　of　Bi4Ge3O12　(BGO)　crystal　were　measured.　The　refractive　index　and　power　absorption　function　and　optical　dielectric　function　were　obtained.　The　time　domain　spectrum　shows　resonance　characteristic.　There　was　one　strong　absorption　band　in　the　range　of　1.5-2.3　THz.　And　the　refractive　index　exist　abnormal　dispersion　in　the　range.　The　time　domain　spectra　characteristic　of　photon-phonon　interaction　were　presented　and　it　show　that　the　phonon　polariton　arises　in　BGO　crystal.

关键词：

Germanium compounds Terahertz waves Bismuth compounds Photons Phonons Refractive index

作者机构：

[ 1 ] [Wang, Yali]College of Materials Science and Optoelectronic Technology, Graduate University of Chinese Academy of Sciences, Beijing 100049, China
[ 2 ] [Hou, Bihui]College of Applied Sciences, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Wang, Haiyan]Department of Physics, Capital Normal University, Beijing 100048, China
[ 4 ] [Zhao, Guozhong]Department of Physics, Capital Normal University, Beijing 100048, China
[ 5 ] [Yang, Bingxin]College of Materials Science and Optoelectronic Technology, Graduate University of Chinese Academy of Sciences, Beijing 100049, China

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