Computational Optical Sectioning in Fresnel Incoherent Correlation Holography

Computational Optical Sectioning in Fresnel Incoherent Correlation Holography | 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 Article Computational Optical Sectioning in Fresnel Incoherent Correlation Holography VIJAYAKUMAR ANAND, JOSEPH ROSEN This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-7622832/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 23 Nov, 2025 Read the published version in Scientific Reports → Version 1 posted 13 You are reading this latest preprint version Abstract Fresnel incoherent correlation holography (FINCH) is a widely used incoherent digital holography technique. FINCH has a higher lateral resolution but a lower axial resolution compared to those of direct imaging methods with the same numerical aperture. The low axial resolution problem of FINCH was addressed by developing sectioning FINCH methods implemented by pixel-by-pixel electronic scanning of a phase pinhole to achieve sectioning capability in FINCH, mimicking a conventional confocal microscope. The above approach requires not only an additional spatial light modulator for electronic scanning but also time-consuming data acquisition and processing. In this study, for the first time, to the best of our knowledge, we developed a fully computational sectioning method for FINCH. This computational optical sectioning FINCH (COS-FINCH) exploits the axial intensity and phase characteristics of FINCH holograms and first and second order derivatives of axial intensity distributions to identify the object planes, extract information, and achieve sectioning. Extensive simulation studies and results of preliminary experimental studies are presented. Physical sciences/Optics and photonics Physical sciences/Physics Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Published Journal Publication published 23 Nov, 2025 Read the published version in Scientific Reports → Version 1 posted Editorial decision: Revision requested 24 Oct, 2025 Reviews received at journal 19 Oct, 2025 Reviews received at journal 19 Oct, 2025 Reviewers agreed at journal 14 Oct, 2025 Reviews received at journal 14 Oct, 2025 Reviewers agreed at journal 14 Oct, 2025 Reviewers agreed at journal 12 Oct, 2025 Reviewers agreed at journal 12 Oct, 2025 Reviewers agreed at journal 12 Oct, 2025 Reviewers invited by journal 12 Oct, 2025 Editor assigned by journal 18 Sep, 2025 Submission checks completed at journal 17 Sep, 2025 First submitted to journal 15 Sep, 2025 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. 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