National Natural Science Foundation of China(Nos.10474081,10735050);National Basic Research Program of China(973 Program)(No.2007CB815102)
The predominant spectral blueshifting of a sub-picosecond UV laser pulse induced by ultrafast ionization of noble gases was investigated. Spectral measurements were made at various gas densities. Typical quasi-periodi...
supported by the National High-Tech ICF Committee of China (No.10335020/A0506);National Natural Science Foundation of China (Nos.10474081 and 10576035);Shanghai Natural Science Foundation (No.05ZR14159)
The characteristics of backward harmonic radiation due to electron oscillations driven by a linearly polarized fs laser pulse are analysed considering a single electron model. The spectral distributions of the electro...