Here deflecting a beam is accomplished by forming phase distribution that similar to binarygrating phase's through modulating applied voltages.
本文通过计算机编程控制栅指电压，使液晶相控阵形成类似二元光栅的相位分布，实现对入射光的偏转。
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Combining binary optics methods with the notion of circular grating, it offers a good thinking for circular grating and other optic elements that can be assembled into photoelectricity system.
In order to solve this problem, a new method is provided based on the Hybrid Genetic Algorithms, and using a emulation program design a common binary optics elements-Dammann Grating.