Study of THz emission from ring-Airy beam induced plasma
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abstract
2015 IEEE. We experimentally investigated the THz emission from two-color ring-Airy beam induced plasma in the ambient air. The results show that this exotic autofocusing beam tends to form an elongated weak filamentation with a main peak at the front and a 'tail' with certain oscillations following, which leads to a higher THz yield and a slightly narrower THz spectrum than the emission from a Gaussian beam plasma under the same circumstances.
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2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)