阿秒
门控
光学
裸奔
物理
谐波
高次谐波产生
极端紫外线
频率分辨光学选通
极化(电化学)
镜头(地质)
超短脉冲
激光器
飞秒脉冲整形
电压
生物
量子力学
生理学
物理化学
化学
作者
Jie Li,Andrew Chew,Shuyuan Hu,J. D. White,Xiaoming Ren,Seunghwoi Han,Yanchun Yin,Yang Wang,Yi Wu,Zenghu Chang
出处
期刊:Optics Express
[The Optical Society]
日期:2019-10-04
卷期号:27 (21): 30280-30280
被引量:17
摘要
Double optical gating (DOG) technique was implemented with a two-cycle, 1.7 µm driving field to generate isolated attosecond pulses in the 100-250 eV spectrum range. The strong ellipticity dependency of the high harmonics from the 1.7 µm driving field makes polarization based gating method very efficient. When a second harmonic (SH) field is introduced, complete gating can be achieved with less ionization from the leading edge of the driving field, which yields supercontinua with a pulse energy of 0.3 nJ. We perform an attosecond streaking measurement to confirm the generation of isolated attosecond pulses.
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