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Chin. Phys. B, 2009, Vol. 18(4): 1473-1478    DOI: 10.1088/1674-1056/18/4/031

Quantum-mechanical analysis of pulse reconstruction for a narrow bandwidth attosecond x-ray pulse

Ge Yu-Cheng(葛愉成)
School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China
Abstract  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 detailed temporal structure of an attosecond x-ray pulse directly from a measured PES. Theoretical analysis shows that the temporal uncertainties of the pulse reconstruction depend on the x-ray bandwidth. The procedure of pulse reconstruction is direct and simple without making any previous pulse assumption, data fitting analysis and time-resolved measurement of PESs. The temporal measurement range is half of a laser optical cycle.
Keywords:  attosecond measurement      photoelectron energy spectrum      transfer equation      pulse reconstruction  
Received:  01 July 2008      Revised:  17 July 2008      Accepted manuscript online: 
PACS:  32.80.Fb (Photoionization of atoms and ions)  
  31.15.-p (Calculations and mathematical techniques in atomic and molecular physics)  
  03.65.Ge (Solutions of wave equations: bound states)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No 10675014).

Cite this article: 

Ge Yu-Cheng(葛愉成) Quantum-mechanical analysis of pulse reconstruction for a narrow bandwidth attosecond x-ray pulse 2009 Chin. Phys. B 18 1473

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