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本文报道将λ／２位相片置于腔内，抑制高阶模振荡，在ＣＯ２激光器中首先实现了新光束输出。
In this paper, the λ / 2-bit photo is placed in the cavity to suppress the high-order mode oscillation, and the new beam output is firstly realized in the CO2 laser.