Chinese Optics Letters, 2016, 14 (2): 021403, Published Online: Sep. 21, 2018   

Laser diode array side-pumped medium-aperture Nd:glass square rod amplifier Download: 906次

Author Affiliations
The Academy of Opto-Electronics, Chinese Academy of Sciences, Beijing 10094, China
Abstract
A laser diode array side-pumped Nd:glass square rod amplifier of the dimensions 12 mm×12 mm is designed. The fluorescence is evenly distributed in the Nd:glass amplifier. When the pump power is 66.32 kW, the small signal gain increases by 3.23 times. Under the condition of a 1 Hz repetition frequency, 50 mJ of injected seed-light energy, and a 10 mm×10 mm aperture, the output energy of the laser beam can reach 1.62 J during the four-pass amplification. The output energy stability of the laser pulse is 2.94% (RMS), and the square pulse distortion is smaller than 2. The energy amplification of the injected laser beam from millijoules to joules is realized.

Xiongxin Tang, Jisi Qiu, Zhongwei Fan, Haocheng Wang, Weiran Lin. Laser diode array side-pumped medium-aperture Nd:glass square rod amplifier[J]. Chinese Optics Letters, 2016, 14(2): 021403.

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