On reflection of terahertz radiation from a rough surface

被引：1

作者：

Rosanov, N. N. ^{[1
,2
,3
]}

Sochilin, G. B. ^{[1
]}

Fedorov, S. V. ^{[1
,2
]}

Shatsev, A. N. ^{[1
]}

Malevich, V. L. ^{[4
]}

Sinitsyn, G. V. ^{[4
]}

机构：

[1] Vavilov State Opt Inst, St Petersburg 199053, Russia

[2] ITMO Univ, St Petersburg 197101, Russia

[3] Russian Acad Sci, Ioffe Tech Phys Inst, St Petersburg 194021, Russia

[4] Natl Acad Sci Belarus, BI Stepanov Inst Phys, Minsk 220072, BELARUS

来源：

OPTICS AND SPECTROSCOPY | 2017年 / 123卷 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

GENERATION;

D O I：

10.1134/S0030400X17070207

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We computationally analyze the influence of random inhomogeneities of the interface surface between two media that are diagnosed by the pulsed THz spectroscopy method. The statistics of inhomogeneities is characterized by the rms dispersion and correlation radius. The medium to be diagnosed is modeled by a Lorentz contour, the position and the width of which can serve as recognizable indicators. For monochromatic radiation and for a radiation pulse with a wide spectrum (close to the video pulse), a signal at a "point" detector is calculated in the absence and in the presence of inhomogeneities. The results yield conditions under which inhomogeneities significantly affect the recognition of different substances.

引用

页码：150 / 157

页数：8

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