图1 基于“自下而上”拓扑优化的超宽带消色差超表面 (IMAGE)

Science China Press

图1 基于“自下而上”拓扑优化的超宽带消色差超表面

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a, 逆向设计的消声差超构表面；b, 三类典型的波束；c, 非色散、非色散与色散特性；d, 目标相位与传输率；e, “自下而上”的启发式拓扑优化

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©《中国科学》杂志社

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