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
收藏
页码：28686 / 28695
页数：10
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