Single-Shot Measurement of Transient Phase Shift Induced by Laser Wake

被引：0

作者：

Dong, Jun ^{[1
]}

Lu, Zhong-Gui ^{[1
]}

Zhang, Bo ^{[1
]}

Peng, Zhi-Tao ^{[1
]}

Sun, Zhi-Hong ^{[1
]}

Xia, Yan-Wen ^{[1
]}

Yuan, Hao-Yu ^{[1
]}

Tang, Jun ^{[1
]}

Zhu, De-Yan ^{[1
]}

Liu, Hua ^{[1
]}

Lv, Jia-Kun ^{[1
]}

机构：

[1] China Acad Engn Phys, Res Ctr Laser Fus, Mianyang 621900, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2017年 / 34卷 / 05期

基金：

中国国家自然科学基金;

关键词：

SPECTRAL INTERFEROMETRY; IONIZATION;

D O I：

10.1088/0256-307X/34/5/054204

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Based on the frequency-to-time mapping relation of the linearly chirped pulse, the temporal phase shift induced by a laser-excited wake in a helium gas jet is measured using a chirped-pulse spectral interferometry with similar to 140 fs resolution over a temporal region of 1 ps in a single shot. In this measurement, the image of the wake is obtained with one-dimensional spatial resolution and temporal resolution limited only by the bandwidth and chirp of the pulse. The 'bubbles' feature of the wake structure, along with multiple wakes excited by the main lobe and the side lobe of a laser focal-spot, is captured simultaneously.

引用

页数：3

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