DISPERSION PROPERTIES OF GaSe1-xSx IN THE TERAHERTZ RANGE

被引：16

作者：

Zhang, Lai-Ming ^{[2
]}

Guo, Jin ^{[2
]}

Li, Dian-Jun ^{[2
]}

Xie, Ji-Jiang ^{[2
]}

Andreev, Yu. M. ^{[1
]}

Gorobets, V. A. ^{[3
]}

Zuev, V. V. ^{[1
]}

Kokh, K. A. ^{[4
]}

Lanskii, G. V. ^{[1
]}

Petukhov, V. O. ^{[3
]}

Svetlichnyi, V. A. ^{[5
]}

Shaiduko, A. V. ^{[1
]}

机构：

[1] Russian Acad Sci, Siberian Branch, Inst Monitoring Climat & Ecol Syst, Tomsk 634021, Russia

[2] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Beijing 100864, Peoples R China

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

[4] Russian Acad Sci, Inst Mineral & Geol, Siberian Branch, Novosibirsk, Russia

[5] Tomsk State Univ, Tomsk, Russia

来源：

JOURNAL OF APPLIED SPECTROSCOPY | 2011年 / 77卷 / 06期

基金：

俄罗斯基础研究基金会;

关键词：

nonlinear crystal optics; parametric frequency conversion; GaSe; crystal of solid solutions; terahertz radiation; 2ND-HARMONIC GENERATION; MU-M; GASE; CRYSTALS; SHG;

D O I：

10.1007/s10812-011-9412-2

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

We grew nonlinear crystals of the solid solutions GaSe1-xSx (x <= 0.4) by the vertical Bridgman method. The increase in hardness from 8 kg/mm(2) for x = 0 to similar to 20 kg/mm(2) for x = 0.4 as a result of the presence of sulfur in the GaSe crystals allowed us to use a special technology to make working samples with position of the optic axis in the plane of the entrance surfaces, and for the first time to make direct measurements of the dispersion properties n(e)(lambda) for the extraordinary wave and n(o)(lambda) for the ordinary wave in the terahertz range of the spectrum by pulsed terahertz spectroscopy. We show that it is possible to realize an unconventional ee-e type of interaction in generation of terahertz radiation.

引用

页码：850 / 856

页数：7

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