{"id":52343,"date":"2021-02-15T16:13:40","date_gmt":"2021-02-15T15:13:40","guid":{"rendered":"http:\/\/www.icac.cat\/en\/?p=52343"},"modified":"2021-02-15T17:34:04","modified_gmt":"2021-02-15T16:34:04","slug":"a-smartphone-based-petrographic-microscope","status":"publish","type":"post","link":"https:\/\/icac.cat\/en\/actualitat\/noticies\/2021\/a-smartphone-based-petrographic-microscope\/","title":{"rendered":"A smartphone-based petrographic microscope!"},"content":{"rendered":"<p><a href=\"https:\/\/icac.cat\/en\/who-are-we\/staff\/rdifebo\/\" target=\"_blank\"><strong>Roberta Di Febo<\/strong><\/a> (ICAC-UAB) and Llu\u00eds Casas (UAB) in collaboration with <a href=\"https:\/\/www.smartmicrooptics.com\/\" target=\"_blank\">Smart Micro Optics<\/a>\u00a0have recently published an article in the <em><a href=\"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/jemt.23697\" target=\"_blank\">Microscopy Research and Technique<\/a><\/em> about the setting up of <strong>a petrographic microscope that works through an adapted smartphone<\/strong>.<\/p>\n<p><a href=\"https:\/\/www.smartmicrooptics.com\/\" target=\"_blank\">Smart Micro Optics<\/a> is a spin-off of the <a href=\"https:\/\/www.iit.it\/\" target=\"_blank\">Italian Institute of Technology<\/a> that produces tools to explore the micro-world, through a family of innovative and affordable products in the field of microscopy, electronics and micro-optics. It is from there that we envisaged the idea of using these micro-lenses in the field of petrographic microscopy.<\/p>\n<div class=\"destacat-entrevista dreta\">\n<div class=\"small-text\"><strong>The system is cost-effective, very simple to use,<\/strong>\u00a0and has a level of performance that compares to a conventional petrographic microscope at its lowest magnification setting (40x).<\/div>\n<\/div>\n<p>The petrographic microscope is a very popular tool in the Earth Sciences field in terms of both educational and research activities. Alongside its application in Geology, it is also proving useful in other fields, such as Material Science, Chemistry, Archaeology or Biology.<\/p>\n<p>However, the <strong>conventional petrographic microscope is a relatively expensive tool<\/strong> (a basic microscope costs a minimum of \u20ac 6,000) and therefore it is not generally acquired by individuals, it is rather acquired by educational and research institutions to equip their laboratories. Reducing the cost of this tool opens up doors for individuals or institutions with limited budgets to get it.<\/p>\n<div class=\"highlight-block\">In the <a href=\"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/jemt.23697\" target=\"_blank\">recently published paper<\/a>, <strong>the authors present the assemblage of a low-cost device that combines the use of a smartphone, a Blips microlens and polarizers<\/strong>. The device is able to cover all the main functionalities of a conventional petrographic microscope with an acceptable magnification and image quality.<\/div>\n<p>Once assembled, the imaging device is ready for operation: the light intensity can be regulated, the piece of polarizing film can be removed or inserted to switch between the PPL and XPL modes and the stage can be rotated to observe the different extinction positions in XPL similarly to a conventional petrographic microscope.<\/p>\n<figure id=\"attachment_52333\" aria-describedby=\"caption-attachment-52333\" style=\"width: 758px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" class=\"wp-image-52333 size-full\" src=\"https:\/\/icac.cat\/wp-content\/uploads\/2021\/02\/Fig.-1-Lents-e1613401913999.jpg\" alt=\"Lents macro, micro i ultra de Blips. Imatge: Roberta Di Febo.\" width=\"758\" height=\"652\" srcset=\"https:\/\/icac.cat\/wp-content\/uploads\/2021\/02\/Fig.-1-Lents-e1613401913999.jpg 758w, https:\/\/icac.cat\/wp-content\/uploads\/2021\/02\/Fig.-1-Lents-e1613401913999-400x344.jpg 400w\" sizes=\"(max-width: 758px) 100vw, 758px\" \/><figcaption id=\"caption-attachment-52333\" class=\"wp-caption-text\">Macro, micro and ultra Blips lenses. Image: Roberta Di Febo.<\/figcaption><\/figure>\n<p><strong>The system is cost-effective, very simple to use<\/strong> and has a level of performance that compares to a conventional petrographic microscope at its lowest magnification setting (40x). For many studies, this level of magnification suffices.<\/p>\n<figure id=\"attachment_52331\" aria-describedby=\"caption-attachment-52331\" style=\"width: 790px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" class=\"size-large wp-image-52331\" src=\"https:\/\/icac.cat\/wp-content\/uploads\/2021\/02\/Fig.-3-1024x944.jpg\" alt=\"Imatge \u00f2ptica obtinguda amb el nou dispositiu en modalitat nicols encreuats. S\u2019aprecien una secci\u00f3 basal d\u2019un pirox\u00e8 zonat i una plagi\u00f2clasi tamb\u00e9 zonada. Imatge: Roberta Di Febo.\" width=\"790\" height=\"728\" srcset=\"https:\/\/icac.cat\/wp-content\/uploads\/2021\/02\/Fig.-3-1024x944.jpg 1024w, https:\/\/icac.cat\/wp-content\/uploads\/2021\/02\/Fig.-3-400x369.jpg 400w\" sizes=\"(max-width: 790px) 100vw, 790px\" \/><figcaption id=\"caption-attachment-52331\" class=\"wp-caption-text\">Optical image obtained with the new device in crossed polarized mode. A basal section of zoned pyroxene and plagioclase can be observed. Image: Roberta Di Febo.<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<hr \/>\n<p>Read the paper:\u00a0<a href=\"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/jemt.23697\" target=\"_blank\">&#8216;A smartphone\u2010based petrographic microscope&#8217;<\/a>. Roberta Di Febo, Llu\u00eds Casas, Andrea Antonini. 2021. <a href=\"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/jemt.23697\" target=\"_blank\"><em>Microscopy Research and Technique<\/em><\/a>.<\/p>\n<p><em>Funding information:<b>\u00a0<\/b>Secretar\u00eda de Estado de Investigaci\u00f3n, Desarrollo e Innovaci\u00f3n, Grant\/Award Number: CGL2013\u201042167\u2010P.<\/em><\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Roberta Di Febo (ICAC-UAB) and Llu\u00eds Casas (UAB) in collaboration with Smart Micro Optics\u00a0have recently published an article in the Microscopy Research and Technique about the setting up of a petrographic microscope that works through an adapted smartphone. Smart Micro Optics is a spin-off of the Italian Institute of Technology that produces tools to explore [&hellip;]<\/p>\n","protected":false},"author":160,"featured_media":52328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":""},"categories":[328,342,334,336,333],"tags":[],"_links":{"self":[{"href":"https:\/\/icac.cat\/en\/wp-json\/wp\/v2\/posts\/52343"}],"collection":[{"href":"https:\/\/icac.cat\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/icac.cat\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/icac.cat\/en\/wp-json\/wp\/v2\/users\/160"}],"replies":[{"embeddable":true,"href":"https:\/\/icac.cat\/en\/wp-json\/wp\/v2\/comments?post=52343"}],"version-history":[{"count":1,"href":"https:\/\/icac.cat\/en\/wp-json\/wp\/v2\/posts\/52343\/revisions"}],"predecessor-version":[{"id":52344,"href":"https:\/\/icac.cat\/en\/wp-json\/wp\/v2\/posts\/52343\/revisions\/52344"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/icac.cat\/en\/wp-json\/wp\/v2\/media\/52328"}],"wp:attachment":[{"href":"https:\/\/icac.cat\/en\/wp-json\/wp\/v2\/media?parent=52343"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/icac.cat\/en\/wp-json\/wp\/v2\/categories?post=52343"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/icac.cat\/en\/wp-json\/wp\/v2\/tags?post=52343"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}