{"id":236756,"date":"2026-05-08T02:12:11","date_gmt":"2026-05-08T07:12:11","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/05\/led-light-unlocks-3d-optical-fingerprints-inside-materials-without-lasers"},"modified":"2026-05-08T02:12:11","modified_gmt":"2026-05-08T07:12:11","slug":"led-light-unlocks-3d-optical-fingerprints-inside-materials-without-lasers","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/05\/led-light-unlocks-3d-optical-fingerprints-inside-materials-without-lasers","title":{"rendered":"LED light unlocks 3D optical fingerprints inside materials without lasers"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/led-light-unlocks-3d-optical-fingerprints-inside-materials-without-lasers2.jpg\"><\/a><\/p>\n<p>Researchers have developed, for the first time in the world, incoherent dielectric tensor tomography (iDTT), a technology that can read complex three-dimensional optical fingerprints inside materials using only everyday LED illumination.<\/p>\n<p>The study is published in <a href=\"https:\/\/www.nature.com\/articles\/s41566-026-01897-0\" target=\"_blank\"><i>Nature Photonics<\/i><\/a>, and the research team was led by Professor YongKeun Park of the Department of Physics, in collaboration with Professor Seung-Mo Hong\u2019s team at Asan Medical Center and Professor Seokwoo Jeon\u2019s team at Korea University.<\/p>\n<p>Some materials possess an inherent property called optical anisotropy, in which the refractive index changes depending on the direction in which light passes through. This is a decisive optical fingerprint that reveals the internal structure and molecular arrangement of the material.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Researchers have developed, for the first time in the world, incoherent dielectric tensor tomography (iDTT), a technology that can read complex three-dimensional optical fingerprints inside materials using only everyday LED illumination. The study is published in Nature Photonics, and the research team was led by Professor YongKeun Park of the Department of Physics, in collaboration [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,1635],"tags":[],"class_list":["post-236756","post","type-post","status-publish","format-standard","hentry","category-biotech-medical","category-materials"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/236756","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=236756"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/236756\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=236756"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=236756"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=236756"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}