Well uniform gratings can be obtained and diffraction efficiency can be greatly enhanced by using this optimization scheme.
结果表明双侧紫外光照射能够实现均匀性较好的光栅，是提高衍射效率的有效途径之一。；
Meanwhile, such parameters as diffraction efficiency, deflection Angle and driving power of device have been analyzed and computed theoretically.
有效声孔径。电极厚度以及器件的声光衍射效率、偏转角度、声驱动功率等参数。
Using the method of rigorous coupled-wave theory to compute the diffraction efficiency of a grating, the program for calculating diffraction efficiency for both te and TM polarization is made.
通过利用严格的耦合波理论计算光栅衍射效率的方法，分别编制出了计算te波和TM波的衍射效率程序。
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