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Chinese Physics, 2006, Vol. 15(12): 2909-2919    DOI: 10.1088/1009-1963/15/12/025
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

Laser-phase determination methods and transfer equations for direct temporal structure measure- ments of atto- and femtosecond XUV pulses

Ge Yu-Cheng(葛愉成)
Department of Technical Physics, Peking University, Beijing 100871, China
Abstract  In this paper the laser-phase determination methods and transfer equations are presented to directly reconstruct the detailed temporal structures of ultra-short extreme ultraviolet (xuv) pulses from the measured photoelectron energy spectra (PES). Each transfer equation includes one of PID (proportional-integral-differential) terms of PES. The intensity and instantaneous frequency of attosecond xuv can be retrieved from the integral term of PES. The intensity profiles of narrow bandwidth atto- and femtosecond xuvs can be rebuilt from the proportional and differential terms of PES respectively. The methods and equations may be used to improve time resolutions in measuring ultrashort pulses.
Keywords:  laser-phase determination      transfer equation      temporal structure      photoelectron spectrum  
Received:  30 May 2005      Revised:  31 May 2006      Accepted manuscript online: 
PACS:  32.80.Fb (Photoionization of atoms and ions)  
  31.15.-p (Calculations and mathematical techniques in atomic and molecular physics)  
  32.10.Hq (Ionization potentials, electron affinities)  
  32.70.Jz (Line shapes, widths, and shifts)  

Cite this article: 

Ge Yu-Cheng(葛愉成) Laser-phase determination methods and transfer equations for direct temporal structure measure- ments of atto- and femtosecond XUV pulses 2006 Chinese Physics 15 2909

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