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本文从理论上分析了正交晶系YAP晶体激射过程引起的热效应。给出了晶体中温度分布、应力-应变分布、双折射效应、热透镜效应以及晶体在正交偏振器间等的色线图等的解析关系式,得到的结果定性地解释了实验现象。The thermal effects arising from the lasing process in orthorhombic YAP crystals have been discussed theoretically in this paper. Mathematical expressions have been given for the thermal distribution, stress-strain distribution, birefringence and thermal lens effect of the YAP crystals as well as the isogyre pattern of a YAP rod placed between crossed polarizers. It is shown that calculated results agree qualitatively with the observed thermal effects.
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