Application of the second harmonic generation microscope to nondestructive observation of periodically poled ferroelectric domains in quasi-phase-matched wavelength converters

1997 ◽  
Vol 81 (1) ◽  
pp. 369-375 ◽  
Author(s):  
Sunao Kurimura ◽  
Yoshiaki Uesu
Keyword(s):  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Second Harmonic ◽  
Wavelength Converters ◽  
Periodically Poled ◽  
Ferroelectric Domains

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.

Second-harmonic generation in a periodically poled congruent LiTaO3 sample with phase-tuned nonlinear Cherenkov radiation

2012 ◽  
Vol 100 (2) ◽  
pp. 022905 ◽  
Author(s):  
Huang Huang ◽  
Cheng-Ping Huang ◽  
Chao Zhang ◽  
Ding Zhu ◽  
Xu-Hao Hong ◽  
...  
Keyword(s):  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Cherenkov Radiation ◽  
Second Harmonic ◽  
Periodically Poled
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