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本文提出采用正弦调制发光管(LED)来测量光纤材料色散的一种简单而又精确的方法。用此方法对阶跃折射率光纤和梯度折射率光纤测量了材料色散。测量结果与用其他一些方法所测的结果很一致。
This paper presents a simple and accurate method of measuring the dispersion of optical fiber materials using a sinusoidal light emitting diode (LED). Material dispersions were measured for the step index fiber and the gradient index fiber using this method. The measurement results are in good agreement with the results measured by other methods.