Method for High-Resolution Frequency Measurements in the Extreme Ultraviolet Regime: Random-Sampling Ramsey Spectroscopy

被引：17
|
作者：
Eramo, R. [1 ,2 ]
Cavalieri, S. [2 ,3 ]
Corsi, C. [2 ]
Liontos, I. [2 ]
Bellini, M. [1 ,2 ]
机构：
[1] Ist Nazl Ott INO CNR, I-50125 Florence, Italy
[2] European Lab Non Linear Spect LENS, I-50019 Florence, Italy
[3] Univ Florence, Dept Phys, I-50019 Florence, Italy
来源：
PHYSICAL REVIEW LETTERS | 2011年 / 106卷 / 21期
关键词：
TIME-DELAY SPECTROSCOPY; HARMONIC PULSES; LASER-PULSES; COHERENCE; COMB;
D O I：
10.1103/PhysRevLett.106.213003
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Ramsey-like schemes have been recently introduced in combination with high-order laser harmonic sources for high-resolution spectroscopic studies in the extreme ultraviolet (XUV). Here we demonstrate a novel method, combining measurements only in a limited subset of randomly chosen time-sampling intervals, which lead us to perform the first high-resolution XUV spectroscopy of atomic argon with a simple split-pulse setup. Providing an experimentally simple and convenient solution to the problem of performing high-resolution absolute frequency measurements in the XUV, our approach will help paving new roads into this challenging spectral territory.
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页数：4
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