Ultra-widely tunable mid-infrared (6-18 μm) optical vortex source

被引:15
作者
Araki, Shungo [1 ]
Ando, Kana [1 ]
Miyamoto, Katsuhiko [1 ,2 ]
Omatsu, Takashige [1 ,2 ]
机构
[1] Chiba Univ, Grad Sch Adv Integrat Sci, Chiba 2638522, Japan
[2] Chiba Univ, Mol Chiral Res Ctr, Chiba 2638522, Japan
基金
日本学术振兴会;
关键词
ORBITAL ANGULAR-MOMENTUM; PARAMETRIC OSCILLATOR; PHASE SINGULARITIES; HANDEDNESS CONTROL; GENERATION; LASER; SPECTROSCOPY; VORTICES; MODES; LIGHT;
D O I
10.1364/AO.57.000620
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We demonstrate the generation of an ultra-widely tunable mid-infrared (6-18 mu m) optical vortex output with a moderate pulse energy from a AgGaSe2 difference frequency generator pumped by an optical vortex parametric oscillator. The handedness of the vortex output can be controlled/selected by swapping the lasing frequencies of the signal and idler outputs and rotating the AgGaSe2 crystal by 90 deg. (C) 2018 Optical Society of America
引用
收藏
页码:620 / 624
页数:5
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