{"id":18172,"date":"2019-06-10T12:00:00","date_gmt":"2019-06-10T16:00:00","guid":{"rendered":"https:\/\/dev.inrs.ca\/powerful-lasers-for-fragile-works-of-art\/"},"modified":"2020-10-13T13:13:19","modified_gmt":"2020-10-13T17:13:19","slug":"powerful-lasers-for-fragile-works-of-art","status":"publish","type":"post","link":"https:\/\/dev.inrs.ca\/en\/news\/powerful-lasers-for-fragile-works-of-art\/","title":{"rendered":"Powerful Lasers for Fragile Works of Art"},"content":{"rendered":"<div class=\"single_entry_text\">\n<style type=\"text\/css\">\ndiv,\n.single_entry_text p,\n.single_entry_text li{\n    font-size: 14px !important;\n    line-height: 18px !important;\n}<\/style>\n<div><strong>\u201cTime alters all things,\u201d wrote the Latin poet Horace. Museum conservators would love to prove him wrong. Protecting artworks from the effects of aging requires an understanding of the way materials alter over time. Professor <a href=\"http:\/\/www.dev.inrs.ca\/patrizio-antici?f=english\">Patrizio Antici<\/a> of Institut National de la Recherche Scientifique (INRS) has developed a <a href=\"https:\/\/advances.sciencemag.org\/content\/5\/6\/eaar6228\" class=\"broken_link\">new diagnostic and analytical method<\/a> for use in cultural conservation, putting his scientific knowledge of lasers and particle accelerators to work for the art world. He describes the new method in an article published in the journal <em>Science Advances<\/em>.<\/strong><\/div>\n<div>\u00a0<\/div>\n<div>The bright yellow that Vincent van Gogh used in his paintings darkens over time. Peter Paul Rubens had the same type of paint on his palette and his paintings display the same loss of brightness. To shine a light on the mystery of this darkening, their mythical yellows are now being analyzed using In Air Plasma-Induced Luminescence, or In-Air PIL for short. This careful examination reveals that light causes a change in the quality of the paint crystals, which explains the darkening that is characteristic of certain works.<\/div>\n<div>\u00a0<\/div>\n<div><img decoding=\"async\" alt=\"\" src=\"\/sites\/default\/files\/actualites-images\/centre_emt\/patrizio-antici-inrs-laser-particules-art.jpg\" style=\"width: 640px; height: 480px;\"\/><\/div>\n<div style=\"padding:10px; font-size:12px !important;background:#f2f2f2;\"><strong>Professor Patrizio Antici conducts an experiment on an ancient vase with the plasma-induced luminescence technology that he developped<\/strong><\/div>\n<div>\u00a0<\/div>\n<div>Developed by Patrizio Antici and his team, In-Air PIL uses a small particle accelerator and a laser-generated photon source. This method rapidly produces a reading of the chemical composition and crystal characteristics on larger surfaces than the leading methods currently in use. By performing a variety of luminescence analyses simultaneously, In-Air PIL reduces the number of complex devices needed for a diagnosis. More compact than comparable technologies and easy to set up, In-Air PIL produces information that can potentially be used to infer an artwork\u2019s state of conservation, authenticity, composition, and provenance.\u00a0\u00a0<\/div>\n<div>\u00a0<\/div>\n<div>Numerous scientific teams throughout the world are in a race to develop similar approaches. The challenge is to develop alternatives to the PIXE (<em>Particle-Induced X-ray Emission<\/em>) diagnostic, considered the golden standard in the field, which produces extremely precise analyses but also comes with significant constraints, particularly in terms of cost and infrastructure. \u201cIn many cases that kind of extreme precision isn\u2019t essential, making In-Air PIL a highly viable alternative,\u201d says professor Antici.\u00a0<\/div>\n<div>\u00a0<\/div>\n<div>The <a href=\"https:\/\/advances.sciencemag.org\/content\/5\/6\/eaar6228\" class=\"broken_link\">study <\/a>published in <em>Science Advances<\/em> lays out the proof of concept that has motivated Professor Antici and his collaborators to pursue their efforts to bring In-Air PIL to market. The device would be aimed at heritage conservators but would also have applications in numerous other areas of material science.\u00a0<\/div>\n<div>\u00a0<\/div>\n<div>The professor is also a pioneer in developing a new generation of more affordable, laser-driven PIXE. His work in that area has already led to a patent and two articles, including one recently published in <em>Scientific Reports<\/em>, and triggered a new field of science, now followed by several international research centers.\u00a0\u00a0<\/div>\n<div>\n<table border=\"0\" cellpadding=\"1\" cellspacing=\"1\" style=\"width: 640px\">\n<tbody>\n<tr>\n<td style=\"text-align: left; vertical-align: top;\"><img decoding=\"async\" alt=\"\" src=\"\/sites\/default\/files\/actualites-images\/centre_emt\/Peter_Paul_Rubens_-_Samson_and_Delilah_-_Google_Art_Project - Copie.jpg\" style=\"width: 273px; height: 280px;\"\/><\/td>\n<td style=\"text-align: left; vertical-align: top;\"><img decoding=\"async\" alt=\"\" src=\"\/sites\/default\/files\/actualites-images\/centre_emt\/Vincent_van_Gogh_-_The_Bedroom_-_Google_Art_Project - Copie.jpg\" style=\"width: 359px; height: 280px;\"\/><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; vertical-align: middle;\">\n<p>\u00a0<\/p>\n<p><strong>Samson et Dalila<\/strong> (1609-1610)<\/p>\n<p>Pierre Paul Rubens<\/p>\n<p>\u00a9 Wiki Commons<\/p>\n<p>\u00a0<\/p>\n<\/td>\n<td style=\"text-align: center; vertical-align: middle;\">\n<p><strong>La chambre \u00e0 Arles<\/strong>\u00a0(1888)<\/p>\n<p>Vincent van Gogh<\/p>\n<p>\u00a9 Wiki Commons<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div>\u00a0<\/div>\n<p><iframe loading=\"lazy\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" frameborder=\"0\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/iH9oHAHE1Vk\" width=\"640\"><\/iframe><\/p>\n<div>\u00a0<\/div>\n<div>\u00a0<\/div>\n<div><strong>About the article<\/strong><\/div>\n<div>Entitled \u201c<a href=\"https:\/\/advances.sciencemag.org\/content\/5\/6\/eaar6228\" class=\"broken_link\">Pigment darkening as case study of In-Air Plasma Induced Luminescence<\/a>,\u201d the article by Marianna Barberio, Emmanuel Skantzakis, St\u00e9phanie Sorieul, and Patrizio Antici is being published in the peer reviewed journal Science Advances (DOI: 10.1126\/sciadv.aar6228). The team at INRS (Canada) worked with scientists from a number of other institutions to produce the study and develop the In Air PIL technique. The Bordeaux Nuclear Research Centre (AIFIRA-CENBG) (France), is known for its specialized particle accelerator used in artwork analysis and its work with Mus\u00e9e du Louvre. The University of Crete\u2019s Photonics for Cultural Heritage group (FORTH) (Greece) is a pioneer in the development of lasers for different useages (including in the conservation and preservation of cultural heritage); the University of Calabria (Italy) specializes in the development of new technologies for cultural heritage.<\/div>\n<div>\u00a0<\/div>\n<div>This research was made possible with financial support from the <a href=\"http:\/\/www.nserc-crsng.gc.ca\/index_eng.asp\" target=\"_blank\" rel=\"noopener noreferrer\">Natural Sciences and Engineering Research Council of Canada<\/a>, <a href=\"http:\/\/www.frqnt.gouv.qc.ca\/en\/accueil\" target=\"_blank\" rel=\"noopener noreferrer\">Fonds de recherche du Qu\u00e9bec &#8211; Nature et Technologies<\/a>, <a href=\"https:\/\/www.computecanada.ca\/\" target=\"_blank\" rel=\"noopener noreferrer\">Compute Canada<\/a>, <a href=\"https:\/\/www.laserlab-europe.eu\/\" target=\"_blank\" rel=\"noopener noreferrer\">Laserlab Europe<\/a>, <a href=\"https:\/\/hellasch.iesl.forth.gr\/?page_id=2&amp;lang=en\" target=\"_blank\" rel=\"noopener noreferrer\">HELLAS-CH<\/a>, and\u00a0<a href=\"https:\/\/www.mrif.gouv.qc.ca\/en\/\" target=\"_blank\" rel=\"noopener noreferrer\">minist\u00e8re des Relations internationales et de la Francophonie du Qu\u00e9bec <\/a>(Qu\u00e9bec-Italy Arts and Culture Projects).\u00a0\u2666<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u201cTime alters all things,\u201d wrote the Latin poet Horace. Museum conservators would love to prove him wrong. Protecting artworks from the effects of aging requires an understanding of the way materials alter over time. Professor Patrizio Antici of Institut National de la Recherche Scientifique (INRS) has developed a new diagnostic and analytical method for use in cultural conservation, putting his scientific knowledge of lasers and particle accelerators to work for the art world. He describes the new method in an article published in the journal Science Advances.<\/p>\n","protected":false},"author":1,"featured_media":18173,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[688],"tags":[],"sectors":[731],"class_list":["post-18172","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-innover-a-linrs-en","sectors-materiaux-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.6 (Yoast SEO v24.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Powerful Lasers for Fragile Works of Art | INRS<\/title>\n<meta name=\"description\" content=\"\u201cTime alters all things,\u201d wrote the Latin poet Horace. Museum conservators would love to prove him wrong. 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