When the broad band light source is input, the VEDFA gain characteristics in the two fiber gratings different wavelength difference are obtained.
在输入宽带光源时，得到两光纤布拉格光栅在不同中心波长之差时的掺铒光纤放大器的增益特性。
When the broad band light source is input, the VEDFA gain characteristics in the two fiber gratings different wavelength difference are obtained.
在输入宽带光源时，得到两光纤布拉格光栅在不同中心波长之差时的掺铒光纤放大器的增益特性。
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