上传者: weixin_38742571
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上传时间:2023/7/21 11:36:40
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Multi-focusopticalfiberlensbasedonall-dielectricmetasurface
Amulti-focusopticalfiberlensisnumericallydemonstratedbasedonanall-dielectricmetasurfacestructure.Themetasurfaceconsistsofanarrayofrectangularsiliconresonatorswithvaryingwidthsinordertoobtaintherequiredphasedistribution.Thecorediameterofthemultimodefiberislargeenoughtocontainsufficientresonanceunits.Thespatialdistributionofthedielectricresonatorsisdictatedbyspatialmultiplexing,includinginterleavingmeta-atomsandlensaperturedivisio