非稳腔DF激光窗口热效应及其对远场光斑的影响

HEATING EFFECT OF DF LASER UNSTABLE CAVITY WINDOW AND ITS AFFECT ON FAR-FIELD OPTICAL SPOT

摘要: 以非稳腔DF激光器CaF₂输出窗口为例计算了不同输出功率情况下,窗口材料的温升、相应的波前位相变化以及有扩束系统和无扩束系统两种情况下,远场光斑所受的影响,给出了数值计算结果。

Abstract: We calculated the temperature rise and phase change of CaF₂ window of unstablecavity DF lasers.The effects on far-field optical spot with or without beam expanding systemwere cansidered.The result of numerical calculation is given in this paper.