On the Transparency of Alkali-Halide Crystal in the Terahertz Spectral Range

被引：5
|
作者：
Kaplunov, I. A. [1 ]
Kropotov, G. I. [2 ]
Rogalin, V. E. [3 ]
Shakhmin, A. A. [2 ]
机构：
[1] Tver State Univ, Tver 170100, Russia
[2] Tydex LLC, St Petersburg 194292, Russia
[3] Russian Acad Sci, Inst Electrophys & Elect Power, St Petersburg 191186, Russia
来源：
OPTICS AND SPECTROSCOPY | 2020年 / 128卷 / 10期
关键词：
GENERATION; GERMANIUM;
D O I：
10.1134/S0030400X20100136
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The transmission of THz (to 3000 mu m) radiation by alkali halide single crystals of sodium chloride (NaCl), potassium chloride (KCl), potassium bromide (KBr), and rubidium iodide (RbI), which are widely used in the IR spectral region, is studied. The spectral dependences of the absorption coefficients of these materials in the range of 0.9-3000 mu m are determined. These materials are transparent in the range of 1000-3000 mu m, which makes it possible to use them in terahertz (millimeter) devices.
引用
收藏
页码：1583 / 1587
页数：5
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