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Chin. Phys. B, 2008, Vol. 17(6): 2072-2077    DOI: 10.1088/1674-1056/17/6/022
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

Use of photoelectron laser phase determination method for attosecond measurements with quantum-mechanical calculations

Ge Yu-Cheng(葛愉成)
Department of Technical Physics and DOE Key Laboratory of Heavy Ion Physics, Peking University, Beijing 100871, China
Abstract  This paper calculates quantum-mechanically the photoelectron energy spectra excited by attosecond x-rays in the presence of a few-cycle laser. A photoelectron laser phase determination method is used for precise measurements of the pulse natural properties of x-ray intensity and the instantaneous frequency profiles. As a direct procedure without any previous pulse profile assumptions and time-resolved measurements as well as data fitting analysis, this method can be used to improve the time resolutions of attosecond timing and measurements with metrological precision. The measurement range is half of a laser optical cycle.
Keywords:  attosecond measurement      photoelectron spectrum      laser phase determination      transfer equation  
Received:  02 August 2007      Revised:  08 October 2007      Accepted manuscript online: 
PACS:  32.80.Fb (Photoionization of atoms and ions)  
  32.30.Rj (X-ray spectra)  
  42.50.Hz (Strong-field excitation of optical transitions in quantum systems; multiphoton processes; dynamic Stark shift)  
  42.65.Re (Ultrafast processes; optical pulse generation and pulse compression)  

Cite this article: 

Ge Yu-Cheng(葛愉成) Use of photoelectron laser phase determination method for attosecond measurements with quantum-mechanical calculations 2008 Chin. Phys. B 17 2072

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