High-Order Harmonic Generation by Two Non-Collinear Femtosecond Laser Pulses in CO
WANG Run-Hai, JIANG Hong-Bing, YANG Hong, WU Cheng-Yin, GONG Qi-Huang
Department of Physics and State Key Laboratory for Mesoscopic Physics, Peking University, Beijing 100871
High-Order Harmonic Generation by Two Non-Collinear Femtosecond Laser Pulses in CO
WANG Run-Hai;JIANG Hong-Bing;YANG Hong;WU Cheng-Yin;GONG Qi-Huang
Department of Physics and State Key Laboratory for Mesoscopic Physics, Peking University, Beijing 100871
关键词 ：
42.65.Ky ,
42.65.Re
Abstract ： We have experimentally studied the high order harmonic generation (HHG) in CO molecules by two femtosecond laser pulses using a pump--probe technique. The delay time between two pulses is longer than the pulse duration, and the pump intensity is about 6.2×1014 W/cm2 . It is found that the HHG signal is independent of the time delay in the picosecond region, but it is dependent on the distance between the centres of focuses of the two beams. The phase modulation induced by the pump pulse is regarded to be responsible for this.
Key words ：
42.65.Ky
42.65.Re
出版日期: 2005-08-01
:
42.65.Ky
(Frequency conversion; harmonic generation, including higher-order harmonic generation)
42.65.Re
(Ultrafast processes; optical pulse generation and pulse compression)
引用本文:
WANG Run-Hai;JIANG Hong-Bing;YANG Hong;WU Cheng-Yin;GONG Qi-Huang. High-Order Harmonic Generation by Two Non-Collinear Femtosecond Laser Pulses in CO[J]. 中国物理快报, 2005, 22(8): 1913-1915.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2005/V22/I8/1913
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2005, Vol. 22 
