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DISAPPEARANCE OF TWO-PLASMON DECAY INSTABILITY IN PLASMAS PRODUCED BY ULTRASHORT LASER PULSES |
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| Authors: | Chen Li-ming Zhang Jie Lin Hai Li Yu-tong Zhao Li-zeng and Jiang Wen-mian |
| Institution: | Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China; Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang 621000, China; Graduate School, China Academy of Engineering Physics, Beijing 100088, China |
| Abstract: | Harmonic emission was studied from a plasma produced by ultrashort laser pulses. Unlike the harmonics from plasmas created by long (ns) laser pulses, the 3/2 harmonic emission was not observed in the interaction between plasmas and ultrashort laser pulses. A simple model is proposed to explain this phenomenon. |
| Keywords: | ultrashort pulse lasers harmonic generation |
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