Difference frequency generation of 5-18 μm in a AgGaSe2 crystal

被引：20
作者：
Abedin, KS [1 ]
Haidar, S [1 ]
Konno, Y [1 ]
Takyu, C [1 ]
Ito, H [1 ]
机构：
[1] Tohoku Univ, Elect Commun Res Inst, Aoba Ku, Sendai, Miyagi 98077, Japan
来源：
APPLIED OPTICS | 1998年 / 37卷 / 09期
关键词：
D O I：
10.1364/AO.37.001642
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Mid-infrared radiation in the 5-18-mu m range has been obtained by difference frequency generation in a AgGaSe2 crystal by pumping with the output of a type I LiNbO3 optical parametric oscillator (OPO). Here we suggest the use of a LiTaO3 retarder to achieve an orthogonal state of polarization between OPO outputs that are necessary for efficient pumping of a AgGaSe2 crystal. Several tens of kilowatts of peak power near 8 mu m and continuously tunable operation in the above range have been obtained. (C) 1998 Optical Society of America.
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收藏
页码：1642 / 1646
页数：5
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