Background Insensitive Polarization-Independent Ultra-Broadband Metamaterial Perfect Absorber in Mid-Infrared Regions
The mid-infrared absorber is an important device for effective capture of high by atmospheric infrared transparent window, and has been a research hotspot in military, medical, biological and other fields. In this paper, a kind of ultra-thin mid-infrared ultra-broadband absorber with background inse...
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| Veröffentlicht in: | IEEE photonics journal 2022-10, Vol.14 (5), p.1-6 |
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| creator | Yang, Hongyan Li, Zhenkai Mei, Ziyang Xiao, Gongli Deng, Hongchang Yuan, Libo |
| description | The mid-infrared absorber is an important device for effective capture of high by atmospheric infrared transparent window, and has been a research hotspot in military, medical, biological and other fields. In this paper, a kind of ultra-thin mid-infrared ultra-broadband absorber with background insensitive is realized by stacking four metal/dielectric films (Si/Ag/Si 3 N 4 /SiO 2 ) on silver substrate and periodically arranged cross-anchor metal pattern in a method of finite-difference time domain. The results show that the absorption rate is more than 90% and the relative absorption bandwidth is 95.5% in the wavelength ranging from 9.1 μm to 24.1 μm. The average absorptivity is 92% in the range of background refractive index ( n = 1∼1.8), A proof of the device's insensibility to background refractive index. At a large incidence angle (θ ≤ 50°), the lowest absorption rate is up to 80%. The thickness of the optimized device is only 1.7 μm. The research results have important application value in infrared remote sensing, pollution monitoring, disease diagnosis and other fields. |
| doi_str_mv | 10.1109/JPHOT.2022.3201267 |
| format | Article |
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In this paper, a kind of ultra-thin mid-infrared ultra-broadband absorber with background insensitive is realized by stacking four metal/dielectric films (Si/Ag/Si 3 N 4 /SiO 2 ) on silver substrate and periodically arranged cross-anchor metal pattern in a method of finite-difference time domain. The results show that the absorption rate is more than 90% and the relative absorption bandwidth is 95.5% in the wavelength ranging from 9.1 μm to 24.1 μm. The average absorptivity is 92% in the range of background refractive index ( n = 1∼1.8), A proof of the device's insensibility to background refractive index. At a large incidence angle (θ ≤ 50°), the lowest absorption rate is up to 80%. The thickness of the optimized device is only 1.7 μm. The research results have important application value in infrared remote sensing, pollution monitoring, disease diagnosis and other fields.</description><identifier>ISSN: 1943-0655</identifier><identifier>EISSN: 1943-0655</identifier><identifier>EISSN: 1943-0647</identifier><identifier>DOI: 10.1109/JPHOT.2022.3201267</identifier><identifier>CODEN: PJHOC3</identifier><language>eng</language><publisher>Piscataway: IEEE</publisher><subject>Absorbers ; Absorbers (materials) ; Absorption ; Absorptivity ; Background insensitive ; Bandwidth ; Broadband ; Finite difference method ; Impedance ; Incidence angle ; Infrared absorption ; Medical research ; meta- material perfect absorber ; Metals ; Metamaterials ; mid-infrared ; Pollution monitoring ; Refractive index ; Refractivity ; Remote monitoring ; Remote sensing ; Silicon ; Silicon dioxide ; Silver ; Substrates ; Time domain analysis ; ultra-broadband</subject><ispartof>IEEE photonics journal, 2022-10, Vol.14 (5), p.1-6</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2022</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c405t-2b9851783430b55991547d0c0d0b9513862031643352078cffb2964ace6c6c973</citedby><cites>FETCH-LOGICAL-c405t-2b9851783430b55991547d0c0d0b9513862031643352078cffb2964ace6c6c973</cites><orcidid>0000-0001-6420-9848 ; 0000-0002-2425-4553 ; 0000-0002-0299-0955 ; 0000-0002-7452-9658</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/9866538$$EHTML$$P50$$Gieee$$Hfree_for_read</linktohtml><link.rule.ids>314,777,781,861,2096,27614,27905,27906,54914</link.rule.ids></links><search><creatorcontrib>Yang, Hongyan</creatorcontrib><creatorcontrib>Li, Zhenkai</creatorcontrib><creatorcontrib>Mei, Ziyang</creatorcontrib><creatorcontrib>Xiao, Gongli</creatorcontrib><creatorcontrib>Deng, Hongchang</creatorcontrib><creatorcontrib>Yuan, Libo</creatorcontrib><title>Background Insensitive Polarization-Independent Ultra-Broadband Metamaterial Perfect Absorber in Mid-Infrared Regions</title><title>IEEE photonics journal</title><addtitle>JPHOT</addtitle><description>The mid-infrared absorber is an important device for effective capture of high by atmospheric infrared transparent window, and has been a research hotspot in military, medical, biological and other fields. 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The research results have important application value in infrared remote sensing, pollution monitoring, disease diagnosis and other fields.</description><subject>Absorbers</subject><subject>Absorbers (materials)</subject><subject>Absorption</subject><subject>Absorptivity</subject><subject>Background insensitive</subject><subject>Bandwidth</subject><subject>Broadband</subject><subject>Finite difference method</subject><subject>Impedance</subject><subject>Incidence angle</subject><subject>Infrared absorption</subject><subject>Medical research</subject><subject>meta- material perfect absorber</subject><subject>Metals</subject><subject>Metamaterials</subject><subject>mid-infrared</subject><subject>Pollution monitoring</subject><subject>Refractive index</subject><subject>Refractivity</subject><subject>Remote monitoring</subject><subject>Remote sensing</subject><subject>Silicon</subject><subject>Silicon dioxide</subject><subject>Silver</subject><subject>Substrates</subject><subject>Time domain analysis</subject><subject>ultra-broadband</subject><issn>1943-0655</issn><issn>1943-0655</issn><issn>1943-0647</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>ESBDL</sourceid><sourceid>RIE</sourceid><sourceid>DOA</sourceid><recordid>eNpNkU1vFDEMhkcIJErhD8BlJM6z5HuSY1sBXdSqK9SeI0_Gs8oynSxOthL8etJuVXGxLcvvY8tv03zkbMU5c19-bC5vbleCCbGSgnFh-lfNCXdKdsxo_fq_-m3zLucdY8Zx7U6awzmEX1tKh2Vs10vGJccSH7DdpBko_oUS09KtlxH3WMNS2ru5EHTnlGAcoIquscA9FKQIc7tBmjCU9mzIiQakNi7tdRwrYCIgHNufuK3A_L55M8Gc8cNzPm3uvn29vbjsrm6-ry_OrrqgmC6dGJzVvLdSSTZo7erJqh9ZYCMbnObSGsEkN0pKLVhvwzQNwhkFAU0wwfXytFkfuWOCnd9TvAf64xNE_9RItPVAJYYZ_TAZ4ZwRFqBXWtV_ac5lcEo5wySoyvp8ZO0p_T5gLn6XDrTU873oBVfCCmPrlDhOBUo5E04vWznzj1b5J6v8o1X-2aoq-nQURUR8EThrjJZW_gNdqY5I</recordid><startdate>20221001</startdate><enddate>20221001</enddate><creator>Yang, Hongyan</creator><creator>Li, Zhenkai</creator><creator>Mei, Ziyang</creator><creator>Xiao, Gongli</creator><creator>Deng, Hongchang</creator><creator>Yuan, Libo</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| subjects | Absorbers Absorbers (materials) Absorption Absorptivity Background insensitive Bandwidth Broadband Finite difference method Impedance Incidence angle Infrared absorption Medical research meta- material perfect absorber Metals Metamaterials mid-infrared Pollution monitoring Refractive index Refractivity Remote monitoring Remote sensing Silicon Silicon dioxide Silver Substrates Time domain analysis ultra-broadband |
| title | Background Insensitive Polarization-Independent Ultra-Broadband Metamaterial Perfect Absorber in Mid-Infrared Regions |
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