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要本文在理论分析基础上，用一种新颖的波长扫描光源，并采用自相关、波长解调装置，实现了宽带光纤光栅透射谱的测量．实验结果与精密光谱仪测量比较，误差小于５％，并与理论分析较好地符合：
In this paper, based on the theoretical analysis, a novel wavelength scanning light source is used, and the autocorrelation and wavelength demodulation device is used to measure the transmission spectrum of broadband FBG. The experimental results and precision spectrometer measurement, the error is less than 5%, and with the theoretical analysis better in line with: