Inconsistencies between two attosecond pulse metrology methods: A comparative study

被引：19

作者：

Kruse, J. E. ^{[1
,2
]}

Tzallas, P. ^{[1
]}

Skantzakis, E. ^{[1
,2
]}

Kalpouzos, C. ^{[1
]}

Tsakiris, G. D. ^{[3
]}

Charalambidis, D. ^{[1
,2
]}

机构：

[1] Fdn Res & Technol Hellas, Inst Elect Struct & Laser, GR-71110 Iraklion, Crete, Greece

[2] Univ Crete, Dept Phys, GR-71003 Iraklion, Crete, Greece

[3] Max Planck Inst Quantum Opt, D-85748 Garching, Germany

来源：

PHYSICAL REVIEW A | 2010年 / 82卷 / 02期

关键词：

COHERENCE; HARMONICS;

D O I：

10.1103/PhysRevA.82.021402

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The two basic approaches underlying most of the metrology of attosecond pulse trains are compared in the spectral region similar to 14-24 eV, that is, the second-order intensity volume autocorrelation and the resolution of attosecond beating by interference of two photon transitions (RABITT). They give rather dissimilar pulse durations. It is concluded that for the present experimental conditions RABITT may underestimate the duration under measurement, due to variations of the driving intensity, but in conjunction with theory allows an estimation of the relative contributions of two different electron trajectories to the extreme-ultraviolet (XUV) radiation.

引用

页数：4

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