{"id":5363,"date":"2026-08-06T12:06:23","date_gmt":"2026-08-06T12:06:23","guid":{"rendered":"https:\/\/cognitionconferences.com\/optics\/?post_type=speaker&#038;p=5363"},"modified":"2026-08-06T12:06:23","modified_gmt":"2026-08-06T12:06:23","slug":"nakarin-singkiburin","status":"publish","type":"speaker","link":"https:\/\/cognitionconferences.com\/optics\/speaker\/nakarin-singkiburin\/","title":{"rendered":"Nakarin Singkiburin"},"content":{"rendered":"<p><strong>Abstract<\/strong><\/p>\n<p>A series of Eu<sub>2<\/sub>O<sub>3<\/sub>-doped SiO<sub>2<\/sub>:Na<sub>2<\/sub>O:BaO:ZnO glasses was fast prepared using a microwave melting technique to investigate their structural, photoluminescence (PL), and radioluminescence (RL) properties for scintillation application. The amorphous nature of the samples was confirmed by X-ray diffraction (XRD). UV\u2013Vis\u2013NIR spectra provided information on optical transparency and Eu<sup>3+<\/sup>-related absorption features. Under optical excitation (\u03bb<sub>ex<\/sub> = 394 nm), the glasses exhibited characteristic Eu<sup>3+<\/sup> emission, and the PL intensity increase with increasing Eu<sub>2<\/sub>O<sub>3 <\/sub>concentration, indicating enhanced activation of luminescent centers. The emission chromaticity lay in the<br \/>\nred region with CIE (x, y) = (0.6458, 0.3538). Changes in the local symmetry around Eu<sup>3+<\/sup> ions were evaluated using the electric-dipole to magnetic-dipole (ED\/MD) intensity ratio and further supported by Judd-Ofelt (JO) analysis. Under X-ray excitation, the samples showed scintillation light, with maximum intensity at 3.00 mol% and integral radioluminescence efficiency is 8.9% relative to a commercial BGO scintillator. These results demonstrating promising potential for scintillation and x-ray screen.<\/p>\n<p><strong>Biography<\/strong><\/p>\n<p>Nakarin Singkiburin is currently pursuing a Ph.D. degree in Physics at the Faculty of Science, Nakhon Pathom Rajabhat University. My research interests focus on rare-earth-doped glass materials, scintillation materials, photoluminescence properties, and structural analysis for optical and radiation detection applications.<\/p>\n","protected":false},"featured_media":5364,"template":"","meta":{"_acf_changed":false},"schedule":[5],"speaker-category":[6],"class_list":["post-5363","speaker","type-speaker","status-publish","has-post-thumbnail","hentry","schedule-day-1","speaker-category-speakers"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Nakarin Singkiburin | Nakhon Pathom Rajabhat University | Thailand<\/title>\n<meta name=\"description\" content=\"Nakarin Singkiburin is currently pursuing a Ph.D. degree in Physics at the Faculty of Science, Nakhon Pathom Rajabhat University. My research interests focus on rare-earth-doped glass materials, scintillation materials, photoluminescence properties, and structural analysis for optical and radiation detection applications.\u00a0\u00a0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cognitionconferences.com\/optics\/speaker\/nakarin-singkiburin\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nakarin Singkiburin | Nakhon Pathom Rajabhat University | Thailand\" \/>\n<meta property=\"og:description\" content=\"Nakarin Singkiburin is currently pursuing a Ph.D. degree in Physics at the Faculty of Science, Nakhon Pathom Rajabhat University. 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