由于光泵浦热效应，高功率固体激光器的输出参数如光束远场发散角、输出功率等会发生变化。
The output parameters such as beam divergence angle in far-field output power of high power solid state lasers are variable due to thermal effect of optical pumping.
特点：光效高，体积小，容易使用，安全，远或近照明效果佳。
Characteristics: small size, high lighting efficiency, easy for use, safety, lighting is very good for far or close.
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