Low THz absorption of Na3La9B8O 27 crystal - 文章详情页

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EI Scopus

摘要：

THz　time-domain　spectrum　of　the　Na3La9B　8O27(NLBO)　crystal　had　been　measured.　The　absorption　spectrum　and　other　optical　constants　had　been　gained　through　Fourier　transform.　The　absorption　coefficient　α(ω)　is　less　than　20/cm　from　0.1　to　3.0　THz.　With　the　increasing　of　the　frequency,　the　refractive　index　n(ω)　and　the　real　of　dielectric　constant　Ε1(ω)　steadily　and　monotonically　increase.　The　n(ω)　changes　from　3.55　to　3.78,　and　the　Ε1(ω)　changes　from　12.7　to　14.2.　The　imaginary　of　dielectric　constant　Ε2(ω)　is　less　than　0.1　from　0.5　to　2.0　THz.

关键词：

Absorption spectroscopy Lanthanum compounds Millimeter waves Refractive index Sodium compounds Terahertz waves

作者机构：

[ 1 ] [Hou, Bihui]College of Applied Sciences, Beijing University of Technology, Beijing 100022, China
[ 2 ] [Zhang, Yun]College of Applied Sciences, Beijing University of Technology, Beijing 100022, China
[ 3 ] [Mao, Zongliang]College of Applied Sciences, Beijing University of Technology, Beijing 100022, China
[ 4 ] [Mao, Zongliang]College of Sciences, Guizhou University, Guizhou Guiyang 550003, China
[ 5 ] [Fu, Peizhen]Center for Crystal Research and Development, Technical Institute of Physics and Chemistry, Chinese Academy of Science, Beijing 100080, China
[ 6 ] [Wang, Li]Institute of Physics, Chinese Academy of Science, Beijing 100080, China
[ 7 ] [Han, Shouzhen]College of Applied Sciences, Beijing University of Technology, Beijing 100022, China
[ 8 ] [Liu, Fengyan]College of Applied Sciences, Beijing University of Technology, Beijing 100022, China

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houbh@bjut.edu.cn

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