Chin. Phys. Lett.  2001, Vol. 18 Issue (3): 390-392    DOI:
Original Articles |
Spectral and Temporal Properties of Femtosecond White-Light Continuum Generated in H2O
QIN Yuan-Dong;WANG Dan-Ling;WANG Shu-Feng;GONG Qi-Huang
Department of Physics and National Laboratory for Mesoscopic Physics, Peking University, Beijing 100871
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QIN Yuan-Dong, WANG Dan-Ling, WANG Shu-Feng et al  2001 Chin. Phys. Lett. 18 390-392
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Abstract The temporal behaviour and spectral distribution of white-light continuum generation in H2O using a focused intense 800 nm 130 fs Ti: Sapphire laser were studied. The results indicated that the white-light continuum spectrally ranged from 1000 to 400 nm, which was mainly attributed to self-phase modulation related to Kerr effect and ionization. The pulse duration of different spectral components of the generated white-light continuum, which was measured with frequency up-conversion technique, was obtained around 137 fs. It revealed a comparable time resolution as the original laser pulse.
Keywords: 51.50.+v      42.65.Ky     
Published: 01 March 2001
PACS:  51.50.+v (Electrical properties)  
  42.65.Ky (Frequency conversion; harmonic generation, including higher-order harmonic generation)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2001/V18/I3/0390
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