Optical properties of PbIn6Te10 in the long-wave IR

被引:6
|
作者
Andreev, Yu M. [1 ,2 ,3 ]
Badikov, V. V. [4 ]
Ionin, A. A. [5 ]
Kinyaevskiy, I. O. [5 ]
Klimachev, Yu M. [5 ]
Kotkov, A. A. [5 ]
Lanskii, G. V. [1 ,3 ]
Svetlichnyi, V. A. [1 ,2 ]
机构
[1] Tomsk State Univ, Siberian Phys Tech Inst, Tomsk 634050, Russia
[2] SB RAS, Inst High Current Elect, Tomsk 634055, Russia
[3] SB RAS, Inst Monitoring Climat & Ecol Syst, Tomsk 634055, Russia
[4] Kuban State Univ, Krasnodar 350040, Russia
[5] Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia
基金
俄罗斯科学基金会; 俄罗斯基础研究基金会;
关键词
nonlinear crystal; difference frequency generation; far-IR range; terahertz range; gas lasers; FREQUENCY-CONVERSION; CRYSTALS; GENERATION; RADIATION; PULSES; RANGE;
D O I
10.1088/1612-2011/13/12/125405
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Optical properties of nonlinear PbIn6Te10 (PIT) crystal were studied for the first time within 30-1200 mu m (0.2-15 THz) by FTIR and THz-TDS. It was found that PIT possesses the most attractive transparency features for efficient generation of long-wave mid-IR emission including 20-60 mu m (5-15 THz) region by optical rectification. This crystal is also found useful for phase matched DFG generation into the long-wave THz region. In particular, by model study phase matched down-conversion of CO and CO2 laser lines into 130-1200 mu m (0.3-2.3 THz) range is shown possible by ooe and eoe type of three wave interaction. Noncritical 90 degrees phase matching for eoe type of interactions can be realized by selecting samples with specified composition.
引用
收藏
页数:5
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