Salinity Sensor Based on 1-D Photonic Crystals by Tamm Resonance With Different Geometrical Shapes

Salinity Sensor Based on 1-D Photonic Crystals by Tamm Resonance With Different Geometrical Shapes | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Salinity Sensor Based on 1-D Photonic Crystals by Tamm Resonance With Different Geometrical Shapes Hassan Sayed, Arafa hussien Aly This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-327512/v1 This work is licensed under a CC BY 4.0 License Status: Under Review Version 1 posted 4 You are reading this latest preprint version Abstract In this paper, we demonstrate a novel Salinity sensor based on Tamm-Plasmon-polariton (TPP), comprising of different shapes of Bragg reflector (ordinary, texturing, and Sawtooth) and metallic layer, is proposed. The finite element method is used to study the considered structure and sensing performance by using the COMSOL multiphysics simulation procedure. Here, we study the effect of surface morphology on the sensitivity; firstly, in the case of one-dimensional photonic crystals centered defect, it has a negative effect on the sensitivity, secondly, texturing and sawtooth in the case of Tamm resonance is increase the sensitivity as For texturing the surface, the sensitivity (S) = 569nm/RIU, quality factor (Q) =236, and figure of merit (FOM)= 170 RIU -1 . While, for Sawtooth surface, S = 612.29nm/RIU, Q = 272.4, and FOM = 199RIU -1 . The consequences of structural parameters on the efficiency of sensing are studied and new procedures are proposed to enhance TPP-based sensors. A simple and functional alternative to conventional salinity sensors may be the proposed solution. Biophysics Salinity sensor Tamm-Plasmon-polariton (TPP) Bragg reflector texturing Sawtooth COMSOL muiltiphysics Figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Full Text Due to technical limitations, full-text HTML conversion of this manuscript could not be completed. However, the latest manuscript can be downloaded and accessed as a PDF. Cite Share Download PDF Status: Under Review Version 1 posted Reviews received at journal 19 May, 2021 Reviewers invited by journal 18 Mar, 2021 Editor assigned by journal 15 Mar, 2021 First submitted to journal 13 Mar, 2021 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. 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Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-327512","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":17683058,"identity":"bfed8252-9f1b-466e-80ef-5cd1b3abdd7e","order_by":0,"name":"Hassan Sayed","email":"","orcid":"","institution":"Beni Suef University","correspondingAuthor":false,"submittingAuthor":false,"prefix":"","firstName":"Hassan","middleName":"","lastName":"Sayed","suffix":""},{"id":17683059,"identity":"1e9048d7-a1be-41a8-8a51-6362ac490b54","order_by":1,"name":"Arafa hussien Aly","email":"data:image/png;base64,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","orcid":"https://orcid.org/0000-0003-0795-378X","institution":"Beni Suef University","correspondingAuthor":true,"submittingAuthor":false,"prefix":"","firstName":"Arafa","middleName":"hussien","lastName":"Aly","suffix":""}],"badges":[],"createdAt":"2021-03-13 23:03:23","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-327512/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-327512/v1","draftVersion":[],"editorialEvents":[],"editorialNote":"","failedWorkflow":false,"files":[{"id":7271561,"identity":"9cf741d9-1e05-456b-8c1f-ca7a57d7a927","added_by":"auto","created_at":"2021-03-23 15:14:30","extension":"jpg","order_by":1,"title":"Figure 1","display":"","copyAsset":false,"role":"figure","size":1003830,"visible":true,"origin":"","legend":"Schematic structure of different constructions of 1D- binary PCs; the thicknesses of the materials are denoted by d1 and d2, respectively, and the corresponding refractive indices are separately indicated by, n1 and n2.and N is the number of periods, n0 is the refractive index of the air, and ns is the refractive index of the substrate layer. (a) A Schematic diagram of an ordinary 1D- binary PCs structure. (b) A Schematic diagram of the Texturing 1D- binary PCs structure with the width and height of the texturing are donated by W and H, respectively. (c) A Schematic diagram of the Sawtooth 1D- binary PCs structure with the width and height of the texturing are donated by W and H, respectively.","description":"","filename":"1.jpg","url":"https://assets-eu.researchsquare.com/files/rs-327512/v1/0a586802ae463d22754c3ae9.jpg"},{"id":7271693,"identity":"51634a43-a7c3-4df1-91b3-9e92fdb5eaca","added_by":"auto","created_at":"2021-03-23 15:14:38","extension":"jpg","order_by":2,"title":"Figure 2","display":"","copyAsset":false,"role":"figure","size":49233,"visible":true,"origin":"","legend":"Schematic structure of the one dimensional Tamm resonance sensor which consist of one dimensional PCs, water layer and metallic layer as shown. The thicknesses of the 1D PCs materials are denoted by d1 and d2, respectively, and the corresponding refractive indices are separately indicated by, n1 and n2.and N is the number of periods. While, n0, ns are the refractive indices of the air and substrate layer, respectively, na, da are the refractive index and thickness of the saline water layer, And finally, nm, dm are the refractive index and thickness of the metallic layer.","description":"","filename":"2.jpg","url":"https://assets-eu.researchsquare.com/files/rs-327512/v1/8b6698a41ddd130f7b08b420.jpg"},{"id":7271682,"identity":"4d274d44-4933-4d5c-a24b-eee15e6af6d2","added_by":"auto","created_at":"2021-03-23 15:14:36","extension":"jpg","order_by":3,"title":"Figure 3","display":"","copyAsset":false,"role":"figure","size":130409,"visible":true,"origin":"","legend":"Transmission spectrum of 1D DBR -PCs that consists of Si and Sio2 with the thicknesses of the materials are denoted by 40 nm and 20 nm, respectively. (A) At different number of periods as shown, (B) At number of periods equal 10, with centered defect layer of saline water equal to 60 nm. And (C) The same as in figure 3B with different range of wavelength.","description":"","filename":"3.jpg","url":"https://assets-eu.researchsquare.com/files/rs-327512/v1/394fa03a0a4361f7c4823e46.jpg"},{"id":7271738,"identity":"0f0a1f45-7460-4cca-8d74-cfe2c511100c","added_by":"auto","created_at":"2021-03-23 15:14:44","extension":"jpg","order_by":4,"title":"Figure 4","display":"","copyAsset":false,"role":"figure","size":130471,"visible":true,"origin":"","legend":"Transmission spectrum of 1D Textured DBR -PCs that consists of Si and Sio2 with the thicknesses of the materials are denoted by 40 nm and 20 nm, respectively, the width and height of the textured are 20 nm and 10 nm respectively. (A) Non defected structure at different number of periods as shown, (B) defected structure at number of periods equal 10, with centered defect layer of saline water equal to 40 nm. And (C) The same as in figure B with different range of wavelength.","description":"","filename":"4.jpg","url":"https://assets-eu.researchsquare.com/files/rs-327512/v1/c33e5c6e5093b00fe995c6e6.jpg"},{"id":7271469,"identity":"e4239f08-77f6-416a-afaa-435ea3d8f3ae","added_by":"auto","created_at":"2021-03-23 15:14:21","extension":"jpg","order_by":5,"title":"Figure 5","display":"","copyAsset":false,"role":"figure","size":115430,"visible":true,"origin":"","legend":"Transmission spectrum of a defected 1D Textured DBR -PCs that consists of Si and Sio2 with the thicknesses of the materials are denoted by 60 nm and 50 nm, respectively, the width and height of the textured are 20 nm and 20 nm respectively. (A) At thickness of the defect layer equal to 50 nm (B) At thickness of the defect layer equal to 110 nm.","description":"","filename":"5.jpg","url":"https://assets-eu.researchsquare.com/files/rs-327512/v1/bf57c241ae03ff0032fcdfbb.jpg"},{"id":7271634,"identity":"778e4012-c067-4912-b7dd-8be58a0ead12","added_by":"auto","created_at":"2021-03-23 15:14:34","extension":"jpg","order_by":6,"title":"Figure 6","display":"","copyAsset":false,"role":"figure","size":146034,"visible":true,"origin":"","legend":"Transmission spectrum of 1D Sawtooth DBR -PCs that consists of Si and Sio2 with the thicknesses of the materials are denoted by 35 nm and 40 nm, respectively, the width and height of the textured are 10 nm and 15 nm respectively. (A) Non defected structure at different number of periods as shown, (B) defected structure at number of periods equal 10 with centered defect layer of saline water equal to 30 nm. And (C) The same as in figure B with different range of wavelength.","description":"","filename":"6.jpg","url":"https://assets-eu.researchsquare.com/files/rs-327512/v1/15606904dc9786a114d25857.jpg"},{"id":7271529,"identity":"9e693c03-2fba-4028-a5a7-93e2d593116b","added_by":"auto","created_at":"2021-03-23 15:14:30","extension":"jpg","order_by":7,"title":"Figure 7","display":"","copyAsset":false,"role":"figure","size":62103,"visible":true,"origin":"","legend":"P- color of ID Sawtooth DBR-PCs that consists of Si and Sio2","description":"","filename":"7.jpg","url":"https://assets-eu.researchsquare.com/files/rs-327512/v1/6f79763ef439371d5f9f085c.jpg"},{"id":7272402,"identity":"52c149c8-e455-42b4-ba2b-2be65747d671","added_by":"auto","created_at":"2021-03-23 15:17:30","extension":"jpg","order_by":8,"title":"Figure 8","display":"","copyAsset":false,"role":"figure","size":59241,"visible":true,"origin":"","legend":"Reflection spectrum of 1D DBR -PCs that consists of Al2O3 and TiO2 with the thicknesses of the materials are denoted by 90 nm and 80 nm, respectively, at different number of periods as shown.","description":"","filename":"8.jpg","url":"https://assets-eu.researchsquare.com/files/rs-327512/v1/c7cd3bbef5b20113600daba5.jpg"},{"id":7272406,"identity":"a70e92f9-e1d0-4e36-8d47-0ae4d3be4cad","added_by":"auto","created_at":"2021-03-23 15:17:33","extension":"jpg","order_by":9,"title":"Figure 9","display":"","copyAsset":false,"role":"figure","size":147343,"visible":true,"origin":"","legend":"Reflection spectrum of the considered Tamm resonance structure which consists of Al2O3(95nm)/TiO2(80nm) with the number of periods equal 10 and thickness of gold layer equal to 500 nm and silicon dioxide substrate with 200 nm with different thickness of saline water layer as shown.","description":"","filename":"9.jpg","url":"https://assets-eu.researchsquare.com/files/rs-327512/v1/c4a4ef1dd9313852135dc584.jpg"},{"id":7271525,"identity":"82a4aa36-bbea-4b4a-b419-bfb97be81923","added_by":"auto","created_at":"2021-03-23 15:14:29","extension":"jpg","order_by":10,"title":"Figure 10","display":"","copyAsset":false,"role":"figure","size":130812,"visible":true,"origin":"","legend":"Reflection spectrum of the considered structure Tamm resonance from Al2O3(95nm)/TiO2(80nm) with different number of periods brag reflector number (BRN) as shown. The thicknesses of gold and water are 500 nm and 4000 nm, respectively, at silicon dioxide substrate with 200 nm.","description":"","filename":"10.jpg","url":"https://assets-eu.researchsquare.com/files/rs-327512/v1/0390b852bead5c9f6df3f301.jpg"},{"id":7271643,"identity":"acb543e7-2492-4600-9bfc-7dbb05cd0569","added_by":"auto","created_at":"2021-03-23 15:14:34","extension":"jpg","order_by":11,"title":"Figure 11","display":"","copyAsset":false,"role":"figure","size":114913,"visible":true,"origin":"","legend":"Reflection spectrum of the textured considered structure Al2O3(95nm)/TiO2(80nm) with a different number of periods brag reflector number (BRN) as shown. The thicknesses of gold and water are 500 nm and 1000 nm, respectively, at silicon dioxide substrate with thickness equal to 200 nm. Also, the width and height of the texture are 40 nm and 40 nm, respectively. ","description":"","filename":"11.jpg","url":"https://assets-eu.researchsquare.com/files/rs-327512/v1/15ca6884abacd423c8587460.jpg"},{"id":7271631,"identity":"186a4afb-949f-4b2b-8794-37c11f78bdf5","added_by":"auto","created_at":"2021-03-23 15:14:34","extension":"jpg","order_by":12,"title":"Figure 12","display":"","copyAsset":false,"role":"figure","size":147602,"visible":true,"origin":"","legend":"Reflection spectrum of the textured considered structure Al2O3(95nm)/TiO2(80nm) with number of period’s equal 5. The thicknesses of gold layer are 500 nm at silicon dioxide substrate with 200 nm. Also, the width and height of the texture are 40 nm and 40 nm, respectively. (a)dw=4000nm, (b)dw=5000nm, and (c)dw=6000nm.","description":"","filename":"12.jpg","url":"https://assets-eu.researchsquare.com/files/rs-327512/v1/0f8f26524fedb1a2363ad9f1.jpg"},{"id":7271487,"identity":"6f138434-3ca9-4ea8-996c-ad65fe6c5d27","added_by":"auto","created_at":"2021-03-23 15:14:25","extension":"jpg","order_by":13,"title":"Figure 13","display":"","copyAsset":false,"role":"figure","size":118448,"visible":true,"origin":"","legend":"Reflection spectrum of TE component of the Sawtooth DBR- PCs considered structure Al2O3(95nm)/TiO2(80nm). The thicknesses of gold and water are 500 nm and 1000 nm, respectively, at silicon dioxide substrate with 200 nm. Also, the width and height of the sawtooth are denoted by 20 nm and 40nm, respectively with different number of periods as shown.","description":"","filename":"13.jpg","url":"https://assets-eu.researchsquare.com/files/rs-327512/v1/9460b023389cb88e8185f6dd.jpg"},{"id":7271685,"identity":"b184b1ba-ad9e-48e8-a777-089dbfc1f0fc","added_by":"auto","created_at":"2021-03-23 15:14:37","extension":"jpg","order_by":14,"title":"Figure 14","display":"","copyAsset":false,"role":"figure","size":128836,"visible":true,"origin":"","legend":"Reflection spectrum of the Sawtooth DBR- PCs considered structure Al2O3(95nm)/TiO2(80nm) with number of periods brag reflector number (BRN) equal 5. The thicknesses of gold is 500 nm, at silicon dioxide substrate with 200 nm. Also, the width and height of the texture are 40 nm and 40 nm, respectively. At different saline water thickness, (a)dw=1000nm, (b)dw=2000nm, (c)dw=3000nm, and (d)dw=4000nm.","description":"","filename":"14.jpg","url":"https://assets-eu.researchsquare.com/files/rs-327512/v1/b4f8f444b6535c947ce460dd.jpg"},{"id":7271637,"identity":"96c44896-2af8-4109-942b-8b1ad4a557df","added_by":"auto","created_at":"2021-03-23 15:14:34","extension":"jpg","order_by":15,"title":"Figure 15","display":"","copyAsset":false,"role":"figure","size":74655,"visible":true,"origin":"","legend":"P- color of 1D Sawtooth DBR -PCs for the same structure as in figure (14).","description":"","filename":"15.jpg","url":"https://assets-eu.researchsquare.com/files/rs-327512/v1/b0093c84fb85b6a239a78ff3.jpg"},{"id":13611818,"identity":"8eaff8d3-e9c1-4bfa-b22f-9e90ca3deaa9","added_by":"auto","created_at":"2021-09-17 06:30:18","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":2562090,"visible":true,"origin":"","legend":"","description":"","filename":"HassanSayed3PlasmonicsFinal.pdf","url":"https://assets-eu.researchsquare.com/files/rs-327512/v1_covered.pdf"},{"id":7271029,"identity":"d90863e0-cd68-4019-9e61-d0f9aa14d06d","added_by":"auto","created_at":"2021-03-23 15:10:26","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":1422691,"visible":true,"origin":"","legend":"","description":"","filename":"HassanSayed3PlasmonicsFinal.pdf","url":"https://assets-eu.researchsquare.com/files/rs-327512/v1_stamped.pdf"}],"financialInterests":"","formattedTitle":"\u003cp\u003eSalinity Sensor Based on 1-D Photonic Crystals by Tamm Resonance With Different Geometrical Shapes\u003c/p\u003e","fulltext":[{"header":"Full Text","content":"Due to technical limitations, full-text HTML conversion of this manuscript could not be completed. However, the latest manuscript can be downloaded and \u003ca href='/article/rs-327512/latest.pdf' target='_blank'\u003e accessed as a PDF.\u003c/a\u003e"}],"fulltextSource":"","fullText":"","funders":[],"hasAdminPriorityOnWorkflow":false,"hasManuscriptDocX":false,"hasOptedInToPreprint":true,"hasPassedJournalQc":"","hasAnyPriority":false,"hideJournal":false,"highlight":"","institution":"","isAcceptedByJournal":true,"isAuthorSuppliedPdf":true,"isDeskRejected":"","isHiddenFromSearch":false,"isInQc":false,"isInWorkflow":false,"isPdf":false,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"[email protected]","identity":"plasmonics","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":false,"externalIdentity":"plas","sideBox":"Learn more about [Plasmonics](https://www.springer.com/journal/11468)","snPcode":"11468","submissionUrl":"https://submission.nature.com/new-submission/11468/3","title":"Plasmonics","twitterHandle":"","acdcEnabled":true,"dfaEnabled":true,"editorialSystem":"em","reportingPortfolio":"Springer Hybrid","inReviewEnabled":true,"inReviewRevisionsEnabled":false},"keywords":"Salinity sensor, Tamm-Plasmon-polariton (TPP), Bragg reflector, texturing, Sawtooth, COMSOL muiltiphysics","lastPublishedDoi":"10.21203/rs.3.rs-327512/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-327512/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003cp\u003eIn this paper, we demonstrate a novel Salinity sensor based on Tamm-Plasmon-polariton (TPP), comprising of different shapes of Bragg reflector (ordinary, texturing, and Sawtooth) and metallic layer, is proposed. The finite element method is used to study the considered structure and sensing performance by using the COMSOL multiphysics simulation procedure. Here, we study the effect of surface morphology on the sensitivity; firstly, in the case of one-dimensional photonic crystals centered defect, it has a negative effect on the sensitivity, secondly, texturing and sawtooth in the case of Tamm resonance is increase the sensitivity as For texturing the surface, the sensitivity (S) = 569nm/RIU, quality factor (Q) =236, and figure of merit (FOM)= 170 RIU\u003csup\u003e-1\u003c/sup\u003e. While, for Sawtooth surface, S = 612.29nm/RIU, Q = 272.4, and FOM = 199RIU\u003csup\u003e-1\u003c/sup\u003e. The consequences of structural parameters on the efficiency of sensing are studied and new procedures are proposed to enhance TPP-based sensors. A simple and functional alternative to conventional salinity sensors may be the proposed solution.\u003c/p\u003e","manuscriptTitle":"Salinity Sensor Based on 1-D Photonic Crystals by Tamm Resonance With Different Geometrical Shapes","msid":"","msnumber":"","nonDraftVersions":[{"code":1,"date":"2021-03-23 15:00:55","doi":"10.21203/rs.3.rs-327512/v1","editorialEvents":[{"type":"communityComments","content":0},{"type":"editorInvitedReview","content":"","date":"2021-05-19T20:49:00+00:00","index":0,"fulltext":""},{"type":"reviewersInvited","content":"","date":"2021-03-19T00:00:00+00:00","index":"","fulltext":""},{"type":"editorAssigned","content":"","date":"2021-03-16T00:00:00+00:00","index":"","fulltext":""},{"type":"submitted","content":"Plasmonics","date":"2021-03-13T12:49:17+00:00","index":"","fulltext":""}],"status":"published","journal":{"display":true,"email":"[email protected]","identity":"plasmonics","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":false,"externalIdentity":"plas","sideBox":"Learn more about [Plasmonics](https://www.springer.com/journal/11468)","snPcode":"11468","submissionUrl":"https://submission.nature.com/new-submission/11468/3","title":"Plasmonics","twitterHandle":"","acdcEnabled":true,"dfaEnabled":true,"editorialSystem":"em","reportingPortfolio":"Springer Hybrid","inReviewEnabled":true,"inReviewRevisionsEnabled":false}}],"origin":"","ownerIdentity":"a3ffdfb3-b27a-4982-8f86-d9cbf85b7f05","owner":[],"postedDate":"March 23rd, 2021","published":true,"recentEditorialEvents":[],"rejectedJournal":[],"revision":"","amendment":"","status":"under-review","subjectAreas":[{"id":3151634,"name":"Biophysics"}],"tags":[],"updatedAt":"2021-08-06T22:25:01+00:00","versionOfRecord":[],"versionCreatedAt":"2021-03-23 15:00:55","video":"","vorDoi":"","vorDoiUrl":"","workflowStages":[]},"version":"v1","identity":"rs-327512","journalConfig":"researchsquare"},"__N_SSP":true},"page":"/article/[identity]/[[...version]]","query":{"redirect":"/article/rs-327512","identity":"rs-327512","version":["v1"]},"buildId":"WrCJVZZCHTDjtuVLN7oU0","isFallback":false,"isExperimentalCompile":false,"dynamicIds":[84888],"gssp":true,"scriptLoader":[]}