Broadband, large-numerical-aperture and high-efficiency microwave metalens by using a double-layer transmissive metasurface
Broadband metalenses consisting of sub-wavelength phase gradient elements are indispensable in modern science and technology. So far, several broadband optical metalenses are demonstrated but mostly with either small NA or relatively low focusing efficiency. Herein, an ultra-thin broadband microwave...
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| Veröffentlicht in: | Applied physics express 2022-01, Vol.15 (1), p.14003 |
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| creator | Liu, Yong-Qiang Ren, Zhongru Shu, Yingchao Wu, Lujun Sun, Jinhai Cai, He Zhang, Xutao Lu, Lan Qi, Kainan Li, Liangsheng Che, Yongxing Yin, Hongcheng |
| description | Broadband metalenses consisting of sub-wavelength phase gradient elements are indispensable in modern science and technology. So far, several broadband optical metalenses are demonstrated but mostly with either small NA or relatively low focusing efficiency. Herein, an ultra-thin broadband microwave metalens (frequency range from 8.0 to 10.5 GHz) with a relatively high-efficiency above 40% and a large NA of more than 0.6 is presented. The metalens is also fabricated and the measurement results agree with the simulations very well. The performances of the presented broadband metalens can surpass nowadays microwave metalenses largely and open up new vistas for low-profile, low-cost and light-weight microwave components. |
| doi_str_mv | 10.35848/1882-0786/ac4534 |
| format | Article |
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So far, several broadband optical metalenses are demonstrated but mostly with either small NA or relatively low focusing efficiency. Herein, an ultra-thin broadband microwave metalens (frequency range from 8.0 to 10.5 GHz) with a relatively high-efficiency above 40% and a large NA of more than 0.6 is presented. The metalens is also fabricated and the measurement results agree with the simulations very well. The performances of the presented broadband metalens can surpass nowadays microwave metalenses largely and open up new vistas for low-profile, low-cost and light-weight microwave components.</description><identifier>ISSN: 1882-0778</identifier><identifier>EISSN: 1882-0786</identifier><identifier>DOI: 10.35848/1882-0786/ac4534</identifier><identifier>CODEN: APEPC4</identifier><language>eng</language><publisher>IOP Publishing</publisher><subject>Broadband metalens ; double-layer metasurface ; high efficiency ; large numerical aperture ; microwave applications</subject><ispartof>Applied physics express, 2022-01, Vol.15 (1), p.14003</ispartof><rights>2022 The Japan Society of Applied Physics</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-2e88a39c8d61cacc3aef9e270e6fe6b6151c75f221c322ea8e458aa8523f557f3</citedby><cites>FETCH-LOGICAL-c316t-2e88a39c8d61cacc3aef9e270e6fe6b6151c75f221c322ea8e458aa8523f557f3</cites><orcidid>0000-0003-4296-1187</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.35848/1882-0786/ac4534/pdf$$EPDF$$P50$$Giop$$H</linktopdf><link.rule.ids>314,776,780,27901,27902,53821,53868</link.rule.ids></links><search><creatorcontrib>Liu, Yong-Qiang</creatorcontrib><creatorcontrib>Ren, Zhongru</creatorcontrib><creatorcontrib>Shu, Yingchao</creatorcontrib><creatorcontrib>Wu, Lujun</creatorcontrib><creatorcontrib>Sun, Jinhai</creatorcontrib><creatorcontrib>Cai, He</creatorcontrib><creatorcontrib>Zhang, Xutao</creatorcontrib><creatorcontrib>Lu, Lan</creatorcontrib><creatorcontrib>Qi, Kainan</creatorcontrib><creatorcontrib>Li, Liangsheng</creatorcontrib><creatorcontrib>Che, Yongxing</creatorcontrib><creatorcontrib>Yin, Hongcheng</creatorcontrib><title>Broadband, large-numerical-aperture and high-efficiency microwave metalens by using a double-layer transmissive metasurface</title><title>Applied physics express</title><addtitle>Appl. Phys. Express</addtitle><description>Broadband metalenses consisting of sub-wavelength phase gradient elements are indispensable in modern science and technology. So far, several broadband optical metalenses are demonstrated but mostly with either small NA or relatively low focusing efficiency. Herein, an ultra-thin broadband microwave metalens (frequency range from 8.0 to 10.5 GHz) with a relatively high-efficiency above 40% and a large NA of more than 0.6 is presented. The metalens is also fabricated and the measurement results agree with the simulations very well. The performances of the presented broadband metalens can surpass nowadays microwave metalenses largely and open up new vistas for low-profile, low-cost and light-weight microwave components.</description><subject>Broadband metalens</subject><subject>double-layer metasurface</subject><subject>high efficiency</subject><subject>large numerical aperture</subject><subject>microwave applications</subject><issn>1882-0778</issn><issn>1882-0786</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp1kEtPwzAQhC0EEqXwA7j5yAFTO44T9wiIl1SJC5ytjbNuXeUlOwEq_jwprXqC0652Z0ajj5BLwW-k0qmeCa0TxnOdzcCmSqZHZHI4HR_2XJ-SsxjXnGepFNmEfN-FFsoCmvKaVhCWyJqhxuAtVAw6DP0QkI5fuvLLFUPnvPXY2A2tvQ3tJ3wgrbGHCptIiw0dom-WFGjZDkWFrIINBtoHaGLtY_R7dRyCA4vn5MRBFfFiP6fk_fHh7f6ZLV6fXu5vF8yOFXuWoNYg51aXmbBgrQR0c0xyjpnDrMiEEjZXLkmElUmCoDFVGkCrRDqlcienROxyx8YxBnSmC76GsDGCm196ZovHbFGZHb3Rc7Xz-LYz63YIzdjQjES-jFBGGC5SzqXpym08-0P6f_QPfH6B0w</recordid><startdate>20220101</startdate><enddate>20220101</enddate><creator>Liu, Yong-Qiang</creator><creator>Ren, Zhongru</creator><creator>Shu, Yingchao</creator><creator>Wu, Lujun</creator><creator>Sun, Jinhai</creator><creator>Cai, He</creator><creator>Zhang, Xutao</creator><creator>Lu, Lan</creator><creator>Qi, Kainan</creator><creator>Li, Liangsheng</creator><creator>Che, Yongxing</creator><creator>Yin, Hongcheng</creator><general>IOP Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0003-4296-1187</orcidid></search><sort><creationdate>20220101</creationdate><title>Broadband, large-numerical-aperture and high-efficiency microwave metalens by using a double-layer transmissive metasurface</title><author>Liu, Yong-Qiang ; Ren, Zhongru ; Shu, Yingchao ; Wu, Lujun ; Sun, Jinhai ; Cai, He ; Zhang, Xutao ; Lu, Lan ; Qi, Kainan ; Li, Liangsheng ; Che, Yongxing ; Yin, Hongcheng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-2e88a39c8d61cacc3aef9e270e6fe6b6151c75f221c322ea8e458aa8523f557f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Broadband metalens</topic><topic>double-layer metasurface</topic><topic>high efficiency</topic><topic>large numerical aperture</topic><topic>microwave applications</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Yong-Qiang</creatorcontrib><creatorcontrib>Ren, Zhongru</creatorcontrib><creatorcontrib>Shu, Yingchao</creatorcontrib><creatorcontrib>Wu, Lujun</creatorcontrib><creatorcontrib>Sun, Jinhai</creatorcontrib><creatorcontrib>Cai, He</creatorcontrib><creatorcontrib>Zhang, Xutao</creatorcontrib><creatorcontrib>Lu, Lan</creatorcontrib><creatorcontrib>Qi, Kainan</creatorcontrib><creatorcontrib>Li, Liangsheng</creatorcontrib><creatorcontrib>Che, Yongxing</creatorcontrib><creatorcontrib>Yin, Hongcheng</creatorcontrib><collection>CrossRef</collection><jtitle>Applied physics express</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Yong-Qiang</au><au>Ren, Zhongru</au><au>Shu, Yingchao</au><au>Wu, Lujun</au><au>Sun, Jinhai</au><au>Cai, He</au><au>Zhang, Xutao</au><au>Lu, Lan</au><au>Qi, Kainan</au><au>Li, Liangsheng</au><au>Che, Yongxing</au><au>Yin, Hongcheng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Broadband, large-numerical-aperture and high-efficiency microwave metalens by using a double-layer transmissive metasurface</atitle><jtitle>Applied physics express</jtitle><addtitle>Appl. Phys. Express</addtitle><date>2022-01-01</date><risdate>2022</risdate><volume>15</volume><issue>1</issue><spage>14003</spage><pages>14003-</pages><issn>1882-0778</issn><eissn>1882-0786</eissn><coden>APEPC4</coden><abstract>Broadband metalenses consisting of sub-wavelength phase gradient elements are indispensable in modern science and technology. So far, several broadband optical metalenses are demonstrated but mostly with either small NA or relatively low focusing efficiency. Herein, an ultra-thin broadband microwave metalens (frequency range from 8.0 to 10.5 GHz) with a relatively high-efficiency above 40% and a large NA of more than 0.6 is presented. The metalens is also fabricated and the measurement results agree with the simulations very well. The performances of the presented broadband metalens can surpass nowadays microwave metalenses largely and open up new vistas for low-profile, low-cost and light-weight microwave components.</abstract><pub>IOP Publishing</pub><doi>10.35848/1882-0786/ac4534</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0003-4296-1187</orcidid></addata></record> |
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| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | Broadband metalens double-layer metasurface high efficiency large numerical aperture microwave applications |
| title | Broadband, large-numerical-aperture and high-efficiency microwave metalens by using a double-layer transmissive metasurface |
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