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通过简单计算,给出Fraunhofer衍射中次极大光强分布的特点。这些特点对“可数光栅”元件衍射谱的分析具有实用意义。
By simple calculation, the characteristics of submaximal light intensity distribution in Fraunhofer diffraction are given. These characteristics have practical significance for the analysis of the diffraction spectrum of the countable grating element.