Mitigation of Stimulated Raman Amplification Artifact in Transient Absorption Spectroscopy

Mitigation of Stimulated Raman Amplification Artifact in Transient Absorption Spectroscopy | 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 Mitigation of Stimulated Raman Amplification Artifact in Transient Absorption Spectroscopy Nirankush Roy, Ayon Jyoti Karmakar, Prasanta Kumar Datta This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4245715/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 26 Jul, 2024 Read the published version in Applied Physics B → Version 1 posted 8 You are reading this latest preprint version Abstract Artifacts due to nonlinear optical processes like "Cross Phase Modulation (XPM)", "Stimulated Raman Amplification (SRA)", and "Two-Photon Absorption (TPA)" etc., have a detrimental effect on Transient Absorption Spectroscopy (TAS). In this study, we investigate the transient response of distilled water to explore the nature of SRA artifacts. The supercontinuum probe, generated in a sapphire crystal pumped by 808 nm, 50 fs laser pulse, is approximated as a linearly chirped Gaussian with a chirp parameter of 36. The chirp in the probe affects the TAS data, because the different spectral components of the probe arrive at different times, even at zero delay. The process of eliminating the effect of this chirp on the TAS data is successfully implemented. The method presented here will be useful to correct the dynamics of several processes of light-matter interactions such as coherence phenomena, electron-electron scattering and electron-phonon scattering. Also, the imaginary part of the third-order nonlinear susceptibility (χ (3) Im ) of water is extracted to be 2.088 × 10 −23 m 2 /V 2 , using the SRA artifacts. Transient Absorption Spectroscopy Coherent Artifacts Stimulated Raman Scattering Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Published Journal Publication published 26 Jul, 2024 Read the published version in Applied Physics B → Version 1 posted Editorial decision: Revision requested 02 Jun, 2024 Reviews received at journal 30 Apr, 2024 Reviewers agreed at journal 27 Apr, 2024 Reviewers agreed at journal 27 Apr, 2024 Reviewers invited by journal 26 Apr, 2024 Editor assigned by journal 21 Apr, 2024 Submission checks completed at journal 10 Apr, 2024 First submitted to journal 10 Apr, 2024 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-4245715","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":289750878,"identity":"441817a1-b096-4734-8c35-60ed5249c6e6","order_by":0,"name":"Nirankush Roy","email":"","orcid":"","institution":"Indian Institute of Technology Kharagpur","correspondingAuthor":false,"prefix":"","firstName":"Nirankush","middleName":"","lastName":"Roy","suffix":""},{"id":289750879,"identity":"df466d3e-bd37-45e4-bdc0-1c56b8fc1cb5","order_by":1,"name":"Ayon Jyoti Karmakar","email":"","orcid":"","institution":"Indian Institute of Technology Kharagpur","correspondingAuthor":false,"prefix":"","firstName":"Ayon","middleName":"Jyoti","lastName":"Karmakar","suffix":""},{"id":289750880,"identity":"dbd3fa7d-726d-4cb5-816c-50d45dca6f46","order_by":2,"name":"Prasanta Kumar Datta","email":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAAyAQMAAABI0h/eAAAABlBMVEX///8AAABVwtN+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA/klEQVRIiWNgGAWjYDACHgYDECXHIAEkEwwgPCCQwK/lQAKDMVSLAfFaEhsgauBacANznsMbP3/8YZe+XbrHgOFBwR9j+egGxg8/GCzycGmx7G0rljiQkJy7c84ZA5DDzAzvHGCW7GGQKMalxeA8jwFQC3Puhhs5YC02hjMSGKSBfklswK3F+MeBhPp0AyQtzL/xajnbYwa05XACTIuZvEQCG15bLHuOlVmcSTtuuHNGWsGBBANjYwOZg22WPQa4tZjzJG++UWFTLW8ukbzx4Y8/cobzZzcfvvGjog63wxAMDoMDYMYNxgYkcbxa2B+AGfIzcKseBaNgFIyCkQkA+C1XKeXY/qQAAAAASUVORK5CYII=","orcid":"","institution":"Indian Institute of Technology Kharagpur","correspondingAuthor":true,"prefix":"","firstName":"Prasanta","middleName":"Kumar","lastName":"Datta","suffix":""}],"badges":[],"createdAt":"2024-04-10 07:13:24","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-4245715/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-4245715/v1","draftVersion":[],"editorialEvents":[{"content":"https://doi.org/10.1007/s00340-024-08284-z","type":"published","date":"2024-07-26T16:16:08+00:00"}],"editorialNote":"","failedWorkflow":false,"files":[{"id":61596488,"identity":"cc2107ed-9c25-4b38-8daa-15e8aedea4f2","added_by":"auto","created_at":"2024-08-01 17:27:57","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":1414331,"visible":true,"origin":"","legend":"","description":"","filename":"SpringerNatureLaTeXTemplate.pdf","url":"https://assets-eu.researchsquare.com/files/rs-4245715/v1_covered_daad9819-d5ad-4eb4-a4d1-c6c0234c5c94.pdf"}],"financialInterests":"No competing interests reported.","formattedTitle":"Mitigation of Stimulated Raman Amplification Artifact in Transient Absorption Spectroscopy","fulltext":[],"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":true,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"[email protected]","identity":"applied-physics-b","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":false,"externalIdentity":"aphb","sideBox":"Learn more about [Applied Physics B](http://link.springer.com/journal/340)","snPcode":"340","submissionUrl":"https://submission.nature.com/new-submission/340/3","title":"Applied Physics B","twitterHandle":"","acdcEnabled":true,"dfaEnabled":true,"editorialSystem":"em","reportingPortfolio":"Springer Hybrid","inReviewEnabled":true,"inReviewRevisionsEnabled":false},"keywords":"Transient Absorption Spectroscopy, Coherent Artifacts, Stimulated Raman Scattering","lastPublishedDoi":"10.21203/rs.3.rs-4245715/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-4245715/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003cp\u003eArtifacts due to nonlinear optical processes like \"Cross Phase Modulation (XPM)\", \"Stimulated Raman Amplification (SRA)\", and \"Two-Photon Absorption (TPA)\" etc., have a detrimental effect on Transient Absorption Spectroscopy (TAS). In this study, we investigate the transient response of distilled water to explore the nature of SRA artifacts. The supercontinuum probe, generated in a sapphire crystal pumped by 808 nm, 50 fs laser pulse, is approximated as a linearly chirped Gaussian with a chirp parameter of 36. The chirp in the probe affects the TAS data, because the different spectral components of the probe arrive at different times, even at zero delay. The process of eliminating the effect of this chirp on the TAS data is successfully implemented. The method presented here will be useful to correct the dynamics of several processes of light-matter interactions such as coherence phenomena, electron-electron scattering and electron-phonon scattering. 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