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Conferences > NLO > 2017 > NW2A > NW2A.4

Strong confinement of THz pulse by femtosecond laser filamentation

Jiayu Zhao, Nan Zhang, Ping Chen, Cheng Gong, Lu Sun, Lie Lin, Xiaolei Wang, and Weiwei Liu

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Abstract

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

© 2017 Optical Society of America

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