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These visual phenomena arise from the interference of diffraction patterns caused by correlated, disordered arrangements of droplets or pores. Our method leverages the pair correlation function (PCF) to decouple the spatial relationships between scatterers from the diffraction behavior of individual scatterers. This two\u2010level decomposition allows us to derive a physically based BSDF that provides explicit control over both scatterer shape and spatial correlation. We also introduce a practical importance sampling strategy for integrating our BSDF within a Monte Carlo renderer. Our simulation results and real\u2010world comparisons demonstrate that the method can reliably reproduce the characteristics of the corona effects in various real\u2010world diffractive materials.<\/jats:p>","DOI":"10.1111\/cgf.70167","type":"journal-article","created":{"date-parts":[[2025,7,24]],"date-time":"2025-07-24T10:36:24Z","timestamp":1753353384000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["A wave\u2010optics BSDF for correlated scatterers"],"prefix":"10.1111","volume":"44","author":[{"ORCID":"https:\/\/orcid.org\/0009-0009-6290-2417","authenticated-orcid":false,"given":"Ruomai","family":"Yang","sequence":"first","affiliation":[{"name":"Dartmouth College"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6218-3426","authenticated-orcid":false,"given":"Juhyeon","family":"Kim","sequence":"additional","affiliation":[{"name":"Dartmouth College"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6623-020X","authenticated-orcid":false,"given":"Adithya","family":"Pediredla","sequence":"additional","affiliation":[{"name":"Dartmouth College"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1652-0954","authenticated-orcid":false,"given":"Wojciech","family":"Jarosz","sequence":"additional","affiliation":[{"name":"Dartmouth College"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2025,7,24]]},"reference":[{"key":"e_1_2_11_2_2","doi-asserted-by":"crossref","DOI":"10.1063\/1.2919123","article-title":"Solution of the Percus-Yevick equation for hard disks","volume":"128","author":"Adda-Bedia M.","year":"2008","journal-title":"The Journal of Chemical Physics"},{"key":"e_1_2_11_3_2","article-title":"A practical extension to microfacet theory for the modeling of varying iridescence","volume":"36","author":"Belcour L.","year":"2017","journal-title":"ACM Transactions on Graphics (Proceedings of SIGGRAPH)"},{"volume-title":"Absorption and Scattering of Light by Small Particles","year":"1983","author":"Bohren C. 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