Second-harmonic generation and wave-front correction of a terawatt laser system

2000 ◽  
Vol 25 (7) ◽  
pp. 508 ◽  
Author(s):  
J. Queneuille ◽  
F. Druon ◽  
A. Maksimchuk ◽  
G. Chériaux ◽  
G. Mourou ◽  
...  
Keyword(s):  
Second Harmonic Generation ◽  
Wave Front ◽  
Harmonic Generation ◽  
Second Harmonic ◽  
Laser System ◽  
Terawatt Laser

scholarly journals Second Harmonic Generation Using an All-Fiber Q-Switched Yb-Doped Fiber Laser and MgO:c-PPLN

2008 ◽  
Vol 2008 ◽  
pp. 1-6 ◽  
Author(s):  
Yi Gan ◽  
Xijia Gu ◽  
Joyce Y. C. Koo ◽  
Wanguo Liang ◽  
Chang-qing Xu
Keyword(s):  
Second Harmonic Generation ◽  
Fiber Laser ◽  
Harmonic Generation ◽  
Second Harmonic ◽  
Laser System ◽  
Average Output ◽  
Periodically Poled ◽  
Theoretical Simulation ◽  
Periodically Poled Lithium Niobate ◽  
532 Nm

We have experimentally demonstrated an efficient all-fiber passively Q-switched Yb-doped fiber laser with Samarium doped fiber as a saturable absorber. Average output power of 3.4 W at a repetition rate of 250 kHz and a pulse width of 1.1 microseconds was obtained at a pump power of 9.0 W. By using this fiber laser system and an MgO-doped congruent periodically poled lithium niobate (MgO:c-PPLN), second harmonic generation (SHG) output at 532 nm was achieved at room temperature. The conversion efficiency is around 4.2% which agrees well with the theoretical simulation.

Prediction of Second-Harmonic Generation Wave-Front Distribution by Extreme Learning Machine

2020 ◽  
Vol 32 (12) ◽  
pp. 693-696
Author(s):  
Zhiqiang Xu ◽  
Peng Wang ◽  
Mengmeng Zhao ◽  
Mi Yang ◽  
Wang Zhao ◽  
...  
Keyword(s):  
Second Harmonic Generation ◽  
Wave Front ◽  
Extreme Learning Machine ◽  
Harmonic Generation ◽  
Second Harmonic ◽  
Learning Machine

Rotational second harmonic generation endoscopy with 1μm fiber laser system

2009 ◽  
Author(s):  
Gangjun Liu ◽  
Tuqiang Xie ◽  
Lingfeng Yu ◽  
Jianping Su ◽  
Ivan V. Tomov ◽  
...  
Keyword(s):  
Second Harmonic Generation ◽  
Fiber Laser ◽  
Harmonic Generation ◽  
Second Harmonic ◽  
Laser System
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