A generated technique of balanced light intensity and high efficiency multiple ban splitting beams element using synthetical phase gratings.
采用组合位相光栅技术，制作光强分布均匀、衍射效率较高的多光束分光元件。
"its initial form is:" Ban Jing phase and food, so in terms of recovery.
其初始形式是：“班荆相与食，而言复故。”
"its initial form is:" Ban Jing phase and food, so in terms of recovery.
其初始形式是：“班荆相与食，而言复故。”
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