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利用光学干涉方法研究了调Q-YAG激光引起眼模型击穿过程,表明冲击波的机械作用是导致虹模局部分裂穿孔的根本原因。通过对等离子体屏蔽现象的实验,得出等离子体屏蔽作用和入射激光聚焦角度大小是保护视网膜不受损伤的两个重要因素。
The optical interference method was used to study the breakdown process of Q-YAG laser induced ophthalmic model. It is shown that the mechanical action of shock wave is the fundamental reason leading to the local split perforation of rainbow mode. Through the experiment of plasma shielding, it is concluded that the plasma shielding effect and incident laser focusing angle are two important factors to protect the retina from damage.