Time-resolved atomic inner-shell spectroscopy

被引：1271

作者：

Drescher, M

Hentschel, M

Kienberger, R

Uiberacker, M

Yakovlev, V

Scrinzi, A

Westerwalbesloh, T

Kleineberg, U

Heinzmann, U

Krausz, F

机构：

[1] Vienna Univ Technol, Inst Photon, A-1040 Vienna, Austria

[2] Univ Bielefeld, Fak Phys, D-33615 Bielefeld, Germany

来源：

NATURE | 2002年 / 419卷 / 6909期

基金：

奥地利科学基金会;

关键词：

D O I：

10.1038/nature01143

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The characteristic time constants of the relaxation dynamics of core-excited atoms have hitherto been inferred from the linewidths of electronic transitions measured by continuous-wave extreme ultraviolet or X-ray spectroscopy. Here we demonstrate that a laser-based sampling system, consisting of a few-femtosecond visible light pulse and a synchronized sub-femtosecond soft X-ray pulse, allows us to trace these dynamics directly in the time domain with attosecond resolution. We have measured a lifetime of 7.9(-0.9)(+1.0) fs of M-shell vacancies of krypton in such a pump-probe experiment.

引用

收藏

页码：803 / 807

页数：5

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