应用中频感应加热提拉法生长出掺杂浓度为10%原子分数的Yb:YAP晶体,研究了室温下Yb:YAP晶体的吸收和发射光谱特性以及荧光寿命.Yb:YAP晶体在959nm处有最强吸收,吸收截面约为1.51 × 10-20 cm2,在1040nm处的发射截面为0.6 ×10-cm2,激光上能级荧光寿命为1.2 ms,此处自吸收较小,是实现激光输出的候选波长.研究了氧气退火对Yb:YAP晶体的光谱性能的影响.Yb:YAP晶体轴向效应明显,b轴将是作为激光输出的首选方向.比较了Yb:YAP晶体和Yb:YAG晶体的光谱性能参数.
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