{"id":1857,"date":"2021-05-04T15:29:22","date_gmt":"2021-05-04T12:29:22","guid":{"rendered":"https:\/\/sites.uef.fi\/photonics\/?page_id=1857"},"modified":"2021-05-25T14:11:06","modified_gmt":"2021-05-25T11:11:06","slug":"spectrophotometry","status":"publish","type":"page","link":"https:\/\/sites.uef.fi\/photonics\/spectrophotometry\/","title":{"rendered":"Spectrophotometry"},"content":{"rendered":"<p>Spectral measurements<\/p>\n<p>We offer reliable spectral measurement services, and accurate color-measurements of solid and liquid samples. We can measure optical reflection, transmission and absorption properties of samples with high precision in the ultraviolet, visible and infrared wavelength ranges. We can also perform spectral fluorescence measurements (ultraviolet and visible light).<\/p>\n<p>An expert from the Computational Spectral Imaging group will perform all the measurements for you.<\/p>\n<p>We can measure 3 samples\/hour (using full wavelength range). All measurements are done optically, so the measurements will not damage the samples. Typical sample size is few cm<sup>2<\/sup>.<\/p>\n<p>The data gained from the measurements can be used, e.g., for designing light sources and optical filters, for optimal detection of objects-of-interest in machine vision applications, for determining products\u2019 optical reflection and transmission properties in various wavelength regions, for designing product\u2019s color appearance for various observers under different illuminations, and for designing the fluorescence-properties of products.<\/p>\n<ul>\n<li>PerkinElmer Lambda 1050 spectrophotometer (spectral reflectance, transmittance, and absorbance measurements; 175 \u2013 2500 nm)<\/li>\n<li>PerkinElmer FL-8500 spectrofluorometer (spectral fluorescence measurements; 200 \u2013 900 nm)<\/li>\n<\/ul>\n<p>In our services, we follow the official price lists of the University of Eastern Finland which are checked annually.<\/p>\n<p>Dmitry Semenov, Research Manager<br \/>\nemail: dmitry.semenov@uef.fi<br \/>\ntel: +358 50 304 3941<\/p>\n<p>University of Eastern Finland, School of Computing<br \/>\nL\u00e4nsikatu 15<br \/>\nFI-80110 Joensuu, Finland<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Spectral measurements We offer reliable spectral measurement services, and accurate color-measurements of solid and liquid samples. We can measure optical reflection, transmission and absorption properties of samples with high precision in the ultraviolet, visible and infrared wavelength ranges. We can also perform spectral fluorescence measurements (ultraviolet and visible light). An expert from the Computational Spectral [&hellip;]<\/p>\n","protected":false},"author":243,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-1857","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Spectrophotometry - Center for Photonics Sciences<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sites.uef.fi\/photonics\/spectrophotometry\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Spectrophotometry - Center for Photonics Sciences\" \/>\n<meta property=\"og:description\" content=\"Spectral measurements We offer reliable spectral measurement services, and accurate color-measurements of solid and liquid samples. We can measure optical reflection, transmission and absorption properties of samples with high precision in the ultraviolet, visible and infrared wavelength ranges. We can also perform spectral fluorescence measurements (ultraviolet and visible light). 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