Laser & Optoelectronics Progress, Volume. 55, Issue 12, 121404(2018)
Passively
A Co∶MgAl2O4 crystal with an initial transmissivity of 89.5% is used as a saturable absorber at a wavelength of 1.3 μm. A low-threshold and high-efficiency passively Q-switched 1319 nm Nd∶YAG laser output is achieved with two-mirror resonator. When the pump power is 10.0 W, a pulsed laser with an average output power of 490 mW, the narrowest pulse width of 18.3 ns, a repetition rate of 17.5 kHz, a pulse energy of 28.1 μJ and a peak power of 1533 W is obtained. The results show that the Co∶MgAl2O4 crytal possesses a good saturable absorption property at a wavelength of 1.3 μm.
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Hongyi Lin, Hong Liu, Shunqin Zhang, Yukun Li. Passively
Category: Lasers and Laser Optics
Received: May. 18, 2018
Accepted: Jun. 19, 2018
Published Online: Aug. 1, 2019
The Author Email: Lin Hongyi (linyi0714@163.com)