A simple cross-correlation technique between infrared and hard x-ray pulses

被引：11

作者：

Kraessig, Bertold ^{[1
]}

Dunford, R. W. ^{[1
]}

Kanter, E. P. ^{[1
]}

Landahl, E. C. ^{[1
]}

Southworth, S. H. ^{[1
]}

Young, L. ^{[1
]}

机构：

[1] Argonne Natl Lab, Argonne, IL 60439 USA

来源：

APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 17期

关键词：

fluorescence; krypton; optical pulse generation; photoionisation; X-ray absorption; X-ray emission spectra;

D O I：

10.1063/1.3125256

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report a gas phase technique to establish the temporal overlap of ultrafast infrared laser and hard x-ray pulses. We use tunnel ionization of a closed shell atom in the strong field at the focus of an infrared laser beam to open a distinct x-ray absorption resonance channel with a clear fluorescence signature. The technique has an intrinsic response of a few femtoseconds and is nondestructive to the two beams. It provides a step-functionlike cross-correlation result. The details of the transient provide a diagnostic of the temporal overlap of the two pulses.

引用

页数：3

共 18 条

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