{"id":8408,"date":"2024-01-08T10:09:22","date_gmt":"2024-01-08T07:09:22","guid":{"rendered":"https:\/\/unam.bilkent.edu.tr\/en\/?p=8408"},"modified":"2024-01-08T10:37:31","modified_gmt":"2024-01-08T07:37:31","slug":"unams-asst-prof-onur-tokels-research-published-in-optics-letters","status":"publish","type":"post","link":"https:\/\/unam.bilkent.edu.tr\/en\/2024\/01\/08\/unams-asst-prof-onur-tokels-research-published-in-optics-letters\/","title":{"rendered":"UNAM\u2019s Asst. Prof. Onur Tokel\u2019s Research Published in Optics Letters"},"content":{"rendered":"<p>Asst. Prof. Onur Tokel, a professor in Bilkent University\u2019s Department of Physics and a Principal Investigator at the Bilkent University National Nanotechnology Research Center (UNAM), has published a scientific article entitled \u201cLaser-Written Wave Plates Inside the Silicon Enabled by Stress-induced Birefringence\u201d in the prestigious <em>Optics Letters<\/em> Journal, which is highlighted as Editor\u2019s Pick.<\/p>\n<p>In the article, Dr. Tokel and his coauthors introduce a method that enables laser-written wave plates inside silicon based on stress-induced birefringence. The research team achieved advanced three-dimensional (3D) optical control within the wafer. The team successfully exploited 3D laser lithography and stress engineering in order to create the first quarter and half-wave plates buried inside Si. This work also constitutes the first observation of the birefringence effect within Si wafers in the literature.<\/p>\n<p>Dr. Tokel is also actively engaged in the \u201cUltra-Thin, Micro-Grooved\/Micro-Channel Glass Production and Processed Glass Technologies\u201d project as part of the A1-1004 Platform. The platform is supported by the T\u00dcB\u0130TAK 1004 Excellence Center Program and is led by UNAM.<\/p>\n<p>You can access Asst. Prof. Onur Tokel\u2019s research through the following link:<\/p>\n<p><a href=\"https:\/\/opg.optica.org\/ol\/fulltext.cfm?uri=ol-49-1-49&amp;id=544684\">https:\/\/opg.optica.org\/ol\/fulltext.cfm?uri=ol-49-1-49&amp;id=544684<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Asst. Prof. Onur Tokel, a professor in Bilkent University\u2019s Department of Physics and a Principal Investigator at the Bilkent University National Nanotechnology Research Center (UNAM), has published a scientific article [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8419,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[66],"tags":[],"class_list":["post-8408","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-2024-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.13 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>UNAM\u2019s Asst. 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