supported by the National Natural Science Foundation of China (10827505 and 10675014)
To study the time evolution of a molecular state in an ultra-fast chemical reaction,the use of shorter pulses with higher photon energy and narrower bandwidth for both pump and probe is necessary.However,quick and pre...
Project supported by the National Natural Science Foundation of China (Grant Nos. 10827505 and 10675014)
The time-energy properties of high-order harmonic generation (HHG) are calculated for a linearly polarized 7- fs laser pulse with different carrier-envelope phases (CEPs). The quantum trajectory paths that contrib...
Supported by the National Natural Science Foundation of China(Grant No.10675014)
Radiation properties of high-order harmonic generation(HHG) are calculated for atoms in a strong laser field.The laser-duration dependence and the carrier-envelope-phase(CEP) dependence of HHG radiation properties are...
Project supported by the National Natural Science Foundation of China (Grant No 10675014)
The photoelectron energy spectra (PESs) excited by narrow bandwidth attosecond x-ray pulses in the presence of a few-cycle laser are quantum-mechanically calculated. Transfer equations are used to reconstruct the de...
Project supported by the National Natural Science Foundation of China (Grant No 10675014)
The photoelectron energy spectra (PESs) excited by monochromatic femtosecond x-ray pulses in the presence of a femtosecond laser are investigated. APES is composed of a set of separate peaks, showing interesting com...
Supported by the National Natural Science Foundation of China (Grant No. 10675014)
The ways to produce and measure atto-and femtosecond soft X-ray pulses are reported. The laser phase relation of high-order harmonic generation(HHG) shows two different radiation energy distribu-tions in time(or laser...