{"id":1361,"date":"2026-03-17T09:22:10","date_gmt":"2026-03-17T08:22:10","guid":{"rendered":"https:\/\/au.feri.um.si\/leoss\/?p=1361"},"modified":"2026-03-17T09:22:10","modified_gmt":"2026-03-17T08:22:10","slug":"an-all-fiber-fabry-perot-sensor-for-emulsion-concentration-measurements-2","status":"publish","type":"post","link":"https:\/\/au.feri.um.si\/leoss\/an-all-fiber-fabry-perot-sensor-for-emulsion-concentration-measurements-2\/","title":{"rendered":"An All-Fiber Fabry\u2013P\u00e9rot Sensor for Emulsion Concentration Measurements"},"content":{"rendered":"\n<p>This paper describes a Fabry\u2013P\u00e9rot sensor-based measuring system for measuring fluid composition in demanding industrial applications. The design of the sensor is based on a two-parametric sensor, which enables the simultaneous measurement of temperature and refractive index (RI). The system was tested under real industrial conditions, and enables temperature-compensated online measurement of emulsion concentration with a high resolution of 0.03 Brix. The measuring system was equipped with filtering of the emulsion and automatic cleaning of the sensor, which proved to be essential for successful implementation of a fiber optic RI sensor in machining emulsion monitoring applications. Keywords: <a href=\"https:\/\/www.mdpi.com\/search?q=optical+fiber+sensors\">optical fiber sensors<\/a>; <a href=\"https:\/\/www.mdpi.com\/search?q=Fabry%E2%80%93P%C3%A9rot+interferometer\">Fabry\u2013P\u00e9rot interferometer<\/a>; <a href=\"https:\/\/www.mdpi.com\/search?q=refractive+index\">refractive index<\/a>; <a href=\"https:\/\/www.mdpi.com\/search?q=temperature\">temperature<\/a>; <a href=\"https:\/\/www.mdpi.com\/search?q=emulsion+concentration\">emulsion concentration<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.mdpi.com\/journal\/sensors\">Sensors<\/a><strong> 2023<\/strong>, <em>23<\/em>(4), 1905;<\/p>\n\n\n\n<p><a href=\"https:\/\/doi.org\/10.3390\/s23041905\">https:\/\/doi.org\/10.3390\/s23041905<\/a> <\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"672\" data-id=\"1362\"  src=\"https:\/\/au.feri.um.si\/leoss\/wp-content\/uploads\/sites\/2\/2026\/03\/sensors-23-01905-g001-1024x672.png\" alt=\"\" class=\"wp-image-1362\" srcset=\"https:\/\/au.feri.um.si\/leoss\/wp-content\/uploads\/sites\/2\/2026\/03\/sensors-23-01905-g001-1024x672.png 1024w, https:\/\/au.feri.um.si\/leoss\/wp-content\/uploads\/sites\/2\/2026\/03\/sensors-23-01905-g001-300x197.png 300w, https:\/\/au.feri.um.si\/leoss\/wp-content\/uploads\/sites\/2\/2026\/03\/sensors-23-01905-g001-768x504.png 768w, https:\/\/au.feri.um.si\/leoss\/wp-content\/uploads\/sites\/2\/2026\/03\/sensors-23-01905-g001-1536x1008.png 1536w, https:\/\/au.feri.um.si\/leoss\/wp-content\/uploads\/sites\/2\/2026\/03\/sensors-23-01905-g001-2048x1344.png 2048w, https:\/\/au.feri.um.si\/leoss\/wp-content\/uploads\/sites\/2\/2026\/03\/sensors-23-01905-g001-18x12.png 18w, https:\/\/au.feri.um.si\/leoss\/wp-content\/uploads\/sites\/2\/2026\/03\/sensors-23-01905-g001-360x236.png 360w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n","protected":false},"excerpt":{"rendered":"<p>This paper describes a Fabry\u2013P\u00e9rot sensor-based measuring system for measuring fluid composition in demanding industrial applications. The design of the sensor is based on a two-parametric sensor, which enables the simultaneous measurement of temperature and refractive index (RI). The system <a href=\"https:\/\/au.feri.um.si\/leoss\/an-all-fiber-fabry-perot-sensor-for-emulsion-concentration-measurements-2\/\" class=\"read-more\">Read More &#8230;<\/a><\/p>\n","protected":false},"author":7,"featured_media":1362,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[24,27,40,13,11],"tags":[],"_links":{"self":[{"href":"https:\/\/au.feri.um.si\/leoss\/wp-json\/wp\/v2\/posts\/1361"}],"collection":[{"href":"https:\/\/au.feri.um.si\/leoss\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/au.feri.um.si\/leoss\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/au.feri.um.si\/leoss\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/au.feri.um.si\/leoss\/wp-json\/wp\/v2\/comments?post=1361"}],"version-history":[{"count":1,"href":"https:\/\/au.feri.um.si\/leoss\/wp-json\/wp\/v2\/posts\/1361\/revisions"}],"predecessor-version":[{"id":1363,"href":"https:\/\/au.feri.um.si\/leoss\/wp-json\/wp\/v2\/posts\/1361\/revisions\/1363"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/au.feri.um.si\/leoss\/wp-json\/wp\/v2\/media\/1362"}],"wp:attachment":[{"href":"https:\/\/au.feri.um.si\/leoss\/wp-json\/wp\/v2\/media?parent=1361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/au.feri.um.si\/leoss\/wp-json\/wp\/v2\/categories?post=1361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/au.feri.um.si\/leoss\/wp-json\/wp\/v2\/tags?post=1361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}