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OUTPUT-COUPLING OPTIMIZATION OF ND-DOPED FIBER LASERS

机译:ND掺杂光纤激光器的输出耦合优化

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A simple theoretical modeling of the static properties of a fiber laser that includes distributed losses and inhomogeneous pumping is presented. Closed-form expressions for both the output and the backward (at the input mirror) intensities are obtained. The model is based on an extended formulation of the Rigrod's theory. It is shown that the laser responds differently depending on the length of the fiber. In particular, we show that for long (short) lasers optimal output power is achieved with low (high) output-coupler reflectivities. Experimental evidence of these results is obtained with Nd-doped fiber lasers with various lengths. (C) 1995 Optical Society of America [References: 17]
机译:提出了一种简单的光纤激光器静态特性的理论模型,其中包括分布损耗和不均匀泵浦。获得输出强度和反向强度(在输入反射镜处)的封闭式表达式。该模型基于Rigrod理论的扩展表述。结果表明,根据光纤的长度,激光会有不同的响应。特别是,我们表明,对于长(短)激光器,在低(高)输出耦合器反射率的情况下可获得最佳输出功率。这些结果的实验​​证据是使用各种长度的掺钕光纤激光器获得的。 (C)1995年美国眼镜学会[参考文献:17]

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