新研發的超構透鏡 (IMAGE)

City University of Hong Kong

新研發的超構透鏡 — Caption

新研發的超構透鏡可將波長394納米的紫外光（藍色）轉化為波長197納米的真空紫外光（粉紅色），並將轉化後的真空紫外光聚焦於直徑小於兩微米的小點上。纳米尺度的三角形氧化鋅納米諧振器精細排列成同心圓形狀。右下圖顯示超構透鏡的多個掃描電子顯微鏡影像，可見按規律變化轉動角度的精細納米三角形。

Credit

Prof Tsai Din-ping / DOI number: 10.1126/sciadv.abn5644

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