光学
脉冲压缩
材料科学
多普勒展宽
激光器
蓝宝石
放大器
自相位调制
脉搏(音乐)
氩
非线性光学
光电子学
物理
谱线
原子物理学
电信
天文
探测器
雷达
CMOS芯片
计算机科学
作者
P. Rueda,Fabiàn Videla,Tobias Witting,G. A. Torchia,Federico J. Furch
出处
期刊:Optics Express
[The Optical Society]
日期:2021-08-04
卷期号:29 (17): 27004-27004
被引量:13
摘要
Compression of 42 fs, 0.29 mJ pulses from a Ti:Sapphire amplifier down to 8 fs (approximately 3 optical cycles) is demonstrated by means of spectral broadening in a compact multi-pass cell filled with argon. The efficiency of the nonlinear pulse compression is limited to 45 % mostly by losses in the mirrors of the cell. The experimental results are supported by 3-dimensional numerical simulations of the nonlinear pulse propagation in the cell that allow us to study spatio-spectral properties of the pulses after spectral broadening.
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