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热-力破坏效应是导致光电器件激光损伤的重要因素。以激光与材料相互作用机理为基础,建立了激光辐照光学材料、光电器件的热-力学模型,并对其温度场分布和热应力场分布进行了解析求解。在此基础之上,对激光对K9玻璃、类金刚石薄膜、胶合透镜和HgCdTe探测器的热-力破坏效应进行了数值分析和实验研究。
Thermal - force destruction is the main cause of laser damage in optoelectronic devices. Based on the interaction mechanism between laser and material, a thermomechanical model of laser irradiated optical materials and optoelectronic devices was established. The temperature field distribution and thermal stress field distribution were solved analytically. On this basis, the numerical analysis and experimental study on the thermal-mechanical destructive effect of laser on K9 glass, diamond-like carbon film, cemented lens and HgCdTe detector were carried out.