The results show that this kind of resonators not only can extract high laser power from the active region efficiently, but also can get a single elliptical astigmatic beam, which is close to the circular Gauss beam.

• 研究表明：该谐振腔不仅能有效提取激活区的能量，且可输出单光束偏心椭圆像散光束，获得较高质量的激光。