求翻译：请随着激光技术和微细加工技术的发展, 二元光学元件在光计算、光学藕合、光通讯、光存储、微光学传感器、光学信号处理及微型光学系统等方面有很大的应用前景。这种以衍射光学为基础,用计算机设计和微电子技术制作的二元光学元件,它们的衍射光强分布公式一直没有简明地给出。从光能利用角度看, 位相型元件比振幅型元件效率要高。所以, 讨论二元位相型元件衍射光强分布规律对于元件的设计与应用是有用的。输入您需要翻译的文本！是什么意思？

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