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Petawatt Lasers
The short‐pulse petawatt laser is a powerful tool for fast‐ignition fusion, plasma physics, and vacuum physics. In article number 2100705, Zhaoyang Li, Yuxin Leng, and Ruxin Li provide a timely review on the further development of the short‐pulse petawatt laser, including trend analysis, technology introduction, and bottleneck discussion, with the aim of breaking through the limitation...
The petawatt (PW) laser has experienced a rapid development in the past two decades, and tens of giant facilities have been constructed worldwide. After realizing 10–100 PW, it seems to be close to some sort of engineering limit but its focused peak intensity still is much lower than the Schwinger limit, and therefore some technology improvements or innovations become indispensable for further increasing...