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首页> 外文会议>RIAO/OPTILAS 2004 >Method for measuring erbium-doped fiber parameters
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Method for measuring erbium-doped fiber parameters

机译：掺fiber光纤参数的测量方法

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摘要

We develop a simple method to measure the set of parameters of an erbium-doped fiber which is needed to elaborate the numeric model of an amplifier when a 980-nm pump is used. We start from the Rate Equations and field propagation equations for signal and pump and shows the necessity of the attenuation coefficients at low powers for pump and signal and the knowledge of four parameters (defined as A, B, C, D) which include cross sections and overlap factors for signal and pump, erbium-doped concentrations, lifetime, and effective area. Our experimental procedure allows measuring the ABCD parameters without the knowledge of all parameters of a fiber. The ABCD parameters obtained experimentally were applied to a computer program to calculate the characteristics of amplifiers and then the calculation results were compared with the experimental characteristics of amplifiers. The comparison showed reasonably good agreement of the calculated and measured characteristics.
机译：我们开发了一种简单的方法来测量掺er光纤的参数集，当使用980 nm泵浦时，这是阐述放大器数值模型所必需的。我们从信号和泵的速率方程和场传播方程开始，展示了在低功率下对于泵和信号的衰减系数的必要性，以及包括截面在内的四个参数（定义为A，B，C，D）的知识以及信号和泵浦，overlap掺杂浓度，寿命和有效面积的重叠因子。我们的实验程序允许在不了解光纤所有参数的情况下测量ABCD参数。将实验获得的ABCD参数应用于计算机程序以计算放大器的特性，然后将计算结果与放大器的实验特性进行比较。对比表明，所计算和测量的特性相当吻合。

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