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Femtosecond Green Light Generation Using a MgO-Doped Periodically Poled Lithium Niobate Crystal Pumped by a Yb-Doped Fiber Laser
| Content Provider | MDPI |
|---|---|
| Author | Yu, Binghao Hao, Qiang Tang, Cheng Yang, Kangwen Chen, Huaixi Liang, Wanguo Zeng, Heping |
| Copyright Year | 2022 |
| Description | We demonstrate, in this paper, the creation of a femtosecond green laser achieved from a MgO-doped periodically poled lithium niobate crystal pumped by a home-made Yb-doped MOPA laser system. With an incident fundamental average power of 2 W, 820 mW (41 nJ) is produced at 515 nm with pulse duration of ~540 fs, corresponding to conversion efficiency of 40%. The standard deviation of the 515 nm pulse-to-pulse intensity is calculated as 0.007 (normalized), and the average power keeps stable with a root-mean-square value of 0.18% in an eight hour measurement. The spectral characters of the green laser and laser-induced damage thresholds of the crystal are also investigated. This stable laser system provides a compact and portable laser source for two-photon photopolymerization application. |
| Starting Page | 1391 |
| e-ISSN | 20763417 |
| DOI | 10.3390/app12031391 |
| Journal | Applied Sciences |
| Issue Number | 3 |
| Volume Number | 12 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2022-01-27 |
| Access Restriction | Open |
| Subject Keyword | Applied Sciences Mode-lock Lasers Fiber Lasers Optical Harmonic Generation Femtosecond Green Lasers |
| Content Type | Text |
| Resource Type | Article |
