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长周期光纤光栅作为一种损耗型的带阻滤波器,在光纤通信和光纤传感器领域有着广泛的应用.结合长周期光纤光栅的传输特性,利用传输矩阵法对多种长周期莫尔光栅的透射谱进行了理论模拟.分析结果表明,莫尔光栅技术在制作高性能的相移长周期光栅和变迹长周期光栅上有着很好的应用前景.
As a lossy band-stop filter, long-period fiber grating has been widely used in the field of optical fiber communication and optical fiber sensors.Based on the transmission characteristics of long-period fiber gratings, the transmission matrix method is used to analyze the transmission of many long-period Moire gratings Spectrum.The theoretical analysis shows that the Moiré grating technology has a good application prospect in the fabrication of high performance phase shift long period grating and apodized long period grating.