由分析得到，对于确定的光源光谱宽度，波导端面反射率只有取合适的值，才能取得最灵敏的调制效果。
By analysis it is shown that the maximal modulation sensitivity comes from an appropriate end reflection coefficients of OWFPM for a certain light source spectrum width.
研究了匹配网络参数不变时，射频电源不同调制模式对反射率的影响。实验研究表明，脉冲宽度调制模式的稳定度要明显高于振幅调制模式。
When the network parameters are kept constant, the results show that the variation of reflection efficiency for PWM mode according to injection power is much less than the am mode's.
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