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根据光交换网络中光逻辑ＦＥＴ－ＳＥＥＤ灵巧像元器件光窗分布的要求，设计制作了一种具有非等间距光点列阵的位相计算全息光栅，采用波长为０．８５μｍ的半导体激光器作泵浦光源，光点列阵数为１６×１６，组内光点间距与组间光点间距之比为１４，光强抑制比小于３％。
According to the requirement of light window distribution of optical logic FET-SEED smart components in optical switching networks, a phase-calculating holographic grating with non-equidistant array of light spots is designed and manufactured. A semiconductor laser with a wavelength of 0.85 μm is used as a pump Pu source, the number of spot array is 16 × 16, the group within the spot spacing and spacing between groups of spots for the 14, light suppression ratio of less than 3%.