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On the Transparency of Alkali-Halide Crystal in the Terahertz Spectral Range
Optics and Spectroscopy ( IF 0.8 ) Pub Date : 2020-11-01 , DOI: 10.1134/s0030400x20100136
I. A. Kaplunov , G. I. Kropotov , V. E. Rogalin , A. A. Shakhmin

Abstract

The transmission of THz (to 3000 μm) 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 μm are determined. These materials are transparent in the range of 1000‒3000 μm, which makes it possible to use them in terahertz (millimeter) devices.



中文翻译:

太赫兹光谱范围内碱金属卤化物晶体的透明度

摘要

氯化钠(NaCl),氯化钾(KCl),溴化钾(KBr)和碘化rub(RbI)的碱金属卤化物单晶透射太赫兹(至3000μm)辐射,这些晶体在红外光谱区中得到广泛使用,正在研究中。确定了这些材料的吸收系数在0.9–3000μm范围内的光谱依赖性。这些材料在1000‒3000μm的范围内是透明的,因此可以在太赫兹(毫米)设备中使用它们。

更新日期:2020-11-02
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