Thermal Effects in a Nd:YAG Laser
Thermal Effects in a Nd:YAG Laser
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DOI：
10.1063/1.1659488
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发表时间：
1970-08
影响因子：
3.2
通讯作者：
J. Foster;L. Osterink
中科院分区：
文献类型：
--
作者：
J. Foster;L. Osterink
建立了连续泵浦Nd:YAG棒中热透镜和双折射效应的理论模型。使用6328‐a探针对这些效应进行了实验测量，并与理论进行了比较。两种测量结果与理论结果非常吻合。热双折射和双聚焦现象被认为是高功率多模Nd:YAG激光器偏振和基频TEM00功率降低的原因。典型的结果描述了使用激光器工作在200 - 300‐W的平均功率范围内。
A theoretical model for the thermal lens and birefringent effects induced in a continuously pumped Nd:YAG rod is developed. Experimental measurements of these effects using a 6328‐A probe are described and compared to theory. Excellent agreement between the two types of measurements and theory is obtained. The thermally birefringent and bifocusing phenomena are suggested as causes of reductions in the polarized and fundamental TEM00 powers from a high‐power multimode Nd:YAG laser. Typical results are described using a laser which operates in the 200−300‐W range of average powers.