Extreme-ultraviolet Ramsey-type spectroscopy

被引：13
|
作者：
Pirri, Angela [1 ]
Sali, Emiliano [1 ,2 ]
Corsi, Chiara [1 ]
Bellini, Marco [1 ,3 ]
Cavalieri, Stefano [1 ,2 ]
Eramo, Roberto [1 ,2 ,4 ]
机构：
[1] Univ Florence, European Lab Nonlinear Spect LENS, I-50019 Florence, Italy
[2] Univ Florence, Dipartimento Fis, I-50019 Florence, Italy
[3] CNR, Ist Nazl Ott Applicata, I-50125 Florence, Italy
[4] Univ Roma La Sapienza, INFM CRS Soft Matter CNR, I-00185 Rome, Italy
来源：
PHYSICAL REVIEW A | 2008年 / 78卷 / 04期
关键词：
D O I：
10.1103/PhysRevA.78.043410
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We performed an experimental and theoretical investigation of Ramsey-type spectroscopy in conjunction with high-order-harmonic generation. The ninth harmonic (lambda similar or equal to 88 nm) of a femtosecond Ti:sapphire laser was used to excite a pair of autoionizing states of krypton. The outcome of the ionization process, detected by an ion-mass spectrometer, shows the characteristic quantum interference pattern. The behavior of the fringe contrast was interpreted on the basis of a simple analytical model, which reproduced well the experimental results without any free parameter.
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页数：7
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