Strong confinement of THz pulse by femtosecond laser filamentation

被引:0
|
作者
Zhao, Jiayu [1 ]
Yang, Jing [1 ]
Chen, Ping [1 ]
Gong, Cheng [1 ]
Sun, Lu [1 ]
Liu, Weiwei [1 ]
机构
[1] Nankai Univ, Inst Modern Opt, Key Lab Opt Informat Sci & Technol, Minist Educ, Tianjin 300071, Peoples R China
关键词
TERAHERTZ; AIR; TECHNOLOGY; GENERATION; RESOLUTION;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Due to the inhomogeneous refractive index distribution inside the femtosecond laser filament, a THz waveguide is created, confining the THz wave energy strongly within a m scale space. Rely on this new phenomenon, subwavelength resolution THz imaging and high THz wave amplitude could be achieved.
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页数:3
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