Nonlinearity- and Dispersion-Controlled High-Energy All-Fiber Femtosecond Laser System with Peak Power Exceeding 0.5 GW
Feng Li, Qianglong Li, Jixin Xing, Xue Cao, Wenlong Wen, Lei Wang, Yufeng Wei, Hualong Zhao, Yishan Wang, Yuxi Fu, Wei Zhao · 2025
Read Nonlinearity- and Dispersion-Controlled High-Energy All-Fiber Femtosecond Laser System with Peak Power Exceeding 0.5 GW by Feng Li, Qianglong Li, Jixin Xing, Xue Cao, Wenlong Wen, Lei Wang, Yufeng Wei, Hualong Zhao, Yishan Wang, Yuxi Fu, Wei Zhao (2025) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-12787619.txt.
Description
Feng Li and co-authors report a 2025 laser study. They built an all-fiber system that fires very short, very strong light pulses. Peak power passes half a gigawatt. The design controls two effects that can spoil pulses: nonlinear distortion and spread over time. Two tuned gratings stretch the pulse to more than two nanoseconds before boosting. A short, wide-core glass fiber then raises the energy.
A dense grating pair squeezes the pulse back down in a compact frame. The final pulse lasts 466 femtoseconds with high energy per shot. Pre-correction of high-order spread helps keep the pulse clean. Laser labs get a monolithic fiber design with no free-space amplifier stages. Such systems suit precision cutting, imaging, and strong-field tests. The paper reports the build and the measured output in full detail for copy and comparison.
Catalog record
| CREATOR | Feng Li, Qianglong Li, Jixin Xing, Xue Cao, Wenlong Wen, Lei Wang, Yufeng Wei, Hualong Zhao, Yishan Wang, Yuxi Fu, Wei Zhao |
|---|---|
| YEAR | 2025 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 27 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |