Experimental confirmation of electron figure-8 motion in a strong laser field

被引：2
|
作者：
Pratt, Brittni [1 ]
Atkinson, Nicholas [1 ]
Hodge, Daniel [1 ]
Romero, Mahonri [1 ]
Schulzke, Christoph [1 ]
Sun, Yance [1 ]
Ware, Michael [1 ]
Peatross, Justin [1 ]
机构：
[1] Brigham Young Univ, Dept Phys & Astron, Provo, UT 84602 USA
来源：
PHYSICAL REVIEW A | 2021年 / 103卷 / 03期
基金：
美国国家科学基金会;
关键词：
NONLINEAR THOMSON SCATTERING; HARMONIC-GENERATION; INTENSITY; RADIATION; LIGHT; BEAMS;
D O I：
10.1103/PhysRevA.103.L031102
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We measure polarization-resolved fundamental, second, and third harmonic nonlinear Thomson scattering out the side of a laser focus with 10(18) W/cm(2). The separate measured polarization components are each associated with a distinct dimension of predicted electron figure-8 motion. Taken together, the measured angular emission patterns for the two polarizations unambiguously confirm the figure-8 motion. Electrons are donated from low-density helium (10(-3) to 1 Torr) ionized early during the laser pulse. Time-resolved single-photon detection is used to distinguish signal from noise.
引用
收藏
页数：6
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