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简要报道由所建立的具有光学双稳特性的准三能级激光器的一个简单模型所导出的主要结果。该模型从理论上预言,在某些特定条件下激光运转的输入-输出关系可存在滞后回线。Yb掺杂的钒酸盐晶体激光振荡中所出现的光学双稳态行为的主要特征,都可由该模型得到解释。
The main results derived from a simple model of an established quasi-three-level laser with optical bistability are briefly reported. The model predicts theoretically that under certain conditions the lag loop may exist in the input-output relationship of the laser operation. The main features of optical bistable behavior appearing in the Yb-doped vanadate crystal laser oscillation can all be explained by this model.