It is not suitable to dodge with the variable density plate in consideration of the rigour environment in space while adopt the adjustable Iris diaphragm with high reliability.
由于空间恶劣环境影响，不适宜采用变密度盘调光，而采用可靠性高的可变光阑。
Using variable reflective mirror, as a soft edge diaphragm, the intensity distributions of output laser are improved.
使用非均匀反射镜，可以起到软边光阑的作用，改善了输出光束的光场分布特性。
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