Temporal characterization of a two-color laser field using tunneling ionization

被引：2

作者：

Shin, J. ^{[1
,2
]}

Ivanov, I. ^{[1
]}

Cho, W. ^{[1
]}

Shrestha, R. ^{[1
,2
]}

Kim, K. T. ^{[1
,2
]}

机构：

[1] Inst Basic Sci, Ctr Relativist Laser Sci, Gwangju 61005, South Korea

[2] Gwangju Inst Sci & Technol, Dept Phys & Photon Sci, Gwangju 61005, South Korea

来源：

OPTICS EXPRESS | 2022年 / 30卷 / 16期

关键词：

PULSES; INTERFEROMETRY;

D O I：

10.1364/OE.464586

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The superposition of a fundamental laser pulse and its second harmonic can form an asymmetric laser field that is useful in many applications. The temporal characterization of the two-color laser field becomes necessary. However, the temporal characterization of the two-color laser pulse is a challenging task due to its broad bandwidth and a spectral gap between the two frequency components. Here we demonstrate the temporal characterization of the two-color laser field using multiple ionization yield measurements near the laser focus. This new approach enables the complete temporal characterization of the two-color laser field, including the relative phase between the two frequency components. (C) 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement

引用

页码：28686 / 28695

页数：10

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