As a sensor element, fiber optic and grating transformed the information into reflecting wavelength shift. It also named wavelength demodulation which is immune for light power waving and system loss.
作为传感元件，光纤光栅将被测的信息转化为其反射波长的移动，即波长解调，因此不受到光功率波动和系统损耗的影响。
As a sensor element, fiber optic and grating transformed the information into reflecting wavelength shift. It also named wavelength demodulation which is immune for light power waving and system loss.
作为传感元件，光纤光栅将被测的信息转化为其反射波长的移动，即波长解调，因此不受到光功率波动和系统损耗的影响。
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