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建立了磷酸盐钕玻璃布儒斯特角板条激光振荡多程放大系统，其中，提出了用两棱镜折返光路的新型三程放大器，用Ｃｒ４＋∶ＹＡＧ色心晶体作为被动Ｑ开关。实验得到高光束质量（Ｍ２ｘ＝１．４９和Ｍ２ｙ＝１．５７）和能量增益为２３的激光脉冲输出。实验数据与数值计算结果比较，符合得较好。
The system of Nd: glass-doped Brewster angle lasing laser oscillating multi-path amplification was established. A novel three-way amplifier was proposed, which re-routed the optical path with two prisms. Cr4 +: YAG color-centered crystal was used as the passive Q-switch. Experimental results show that the laser beam output with high beam quality (M2x = 1.49 and M2y = 1.57) and energy gain of 23. Experimental data and numerical comparison results, in line with better.