{"id":2207,"date":"2026-06-16T11:13:47","date_gmt":"2026-06-16T09:13:47","guid":{"rendered":"https:\/\/www.minesparis.psl.eu\/cmat\/?post_type=actualites&#038;p=2207"},"modified":"2026-06-16T11:35:38","modified_gmt":"2026-06-16T09:35:38","slug":"30-juin-ultrafast-laser-processing-micromachining-and-texturing-arnaud-weck","status":"publish","type":"actualites","link":"https:\/\/www.minesparis.psl.eu\/cmat\/actualites\/30-juin-ultrafast-laser-processing-micromachining-and-texturing-arnaud-weck\/","title":{"rendered":"30 juin \u00ab Ultrafast Laser Processing : Micromachining and Texturing \u00bb \u2013 Arnaud WECK"},"content":{"rendered":"<div class=\"container bloc-30-70\">\n\t<div class=\"row mt-4\">\n\t\t<div class=\"col-md-4\">\n\t\t\t<h3 class=\"x_elementToProof\">\u00ab\u00a0Ultrafast Laser Processing: Micromachining and Texturing\u00a0\u00bb<\/h3>\n<p>\u00a030 juin 2026 &#8211; <b data-olk-copy-source=\"MessageBody\">14h<\/b>, amphith\u00e9atre Mines Paris PSL, Campus de l&rsquo;Innovation, Versailles<\/p>\n<p><strong>Arnaud WECK<\/strong>, Professor in the Mechanical Engineering Department at the University of Ottawa<\/p>\n<p><span style=\"color: #015d9e\"><a style=\"color: #015d9e\" href=\"https:\/\/www.minesparis.psl.eu\/cmat\/contact\/\">Possibilit\u00e9 d&rsquo;assister en visio sur demande\u00a0<\/a><\/span><\/p>\n\t\t<\/div>\n\t\t<div class=\"col-md-8\">\n\t\t\t<p>Ultrafast lasers have emerged as a powerful tool for advanced manufacturing. Their short pulse duration, high peak power, and high repetition rate enable high-precision processing over large areas while minimizing damage to surrounding material. For these reasons, ultrafast lasers have found many industrial applications requiring advanced material processing. In this talk, I will present my research group&rsquo;s work on ultrafast laser-induced material modification for micromachining and texturing.\nIn the first part of the talk, I will present work on micromachining of artificial defects (voids and cracks) to better understand fracture processes including ductile fracture in metals and polymers, fatigue fracture in metals, and brittle fracture in a ceramic.\nIn the second part of the talk, I will demonstrate how laser-generated surface structures can produce vivid colours on metals through a complex interplay of surface morphology, chemistry, and surface plasmons. Similarly, ultrafast lasers were used to tailor the optical response of polymer nanocomposites, generating structural colours within the bulk by activating surface plasmons at embedded nanoparticles.\nI will conclude by discussing how ultrafast laser technologies support a more sustainable environment through processing battery and catalyst materials.<\/p>\n\t\t<\/div>\n\t<\/div>\n<\/div>","protected":false},"featured_media":1892,"template":"","actualites-formats":[],"actualites-thematiques":[],"class_list":["post-2207","actualites","type-actualites","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>30 juin &quot;Ultrafast Laser Processing : Micromachining and Texturing&quot; - Arnaud WECK - Centre des Mat\u00e9riaux Mines Paris - PSL<\/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:\/\/www.minesparis.psl.eu\/cmat\/actualites\/30-juin-ultrafast-laser-processing-micromachining-and-texturing-arnaud-weck\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"30 juin &quot;Ultrafast Laser Processing : Micromachining and Texturing&quot; - Arnaud WECK - Centre des Mat\u00e9riaux Mines Paris - PSL\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.minesparis.psl.eu\/cmat\/actualites\/30-juin-ultrafast-laser-processing-micromachining-and-texturing-arnaud-weck\/\" \/>\n<meta property=\"og:site_name\" content=\"Centre des Mat\u00e9riaux Mines Paris - PSL\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-16T09:35:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.minesparis.psl.eu\/cmat\/wp-content\/uploads\/sites\/25\/2025\/11\/SEMINAIRE-AMPHI-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1920\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.minesparis.psl.eu\/cmat\/actualites\/30-juin-ultrafast-laser-processing-micromachining-and-texturing-arnaud-weck\/\",\"url\":\"https:\/\/www.minesparis.psl.eu\/cmat\/actualites\/30-juin-ultrafast-laser-processing-micromachining-and-texturing-arnaud-weck\/\",\"name\":\"30 juin \\\"Ultrafast Laser Processing : Micromachining and Texturing\\\" - Arnaud WECK - Centre des Mat\u00e9riaux Mines Paris - PSL\",\"isPartOf\":{\"@id\":\"https:\/\/www.minesparis.psl.eu\/cmat\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.minesparis.psl.eu\/cmat\/actualites\/30-juin-ultrafast-laser-processing-micromachining-and-texturing-arnaud-weck\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.minesparis.psl.eu\/cmat\/actualites\/30-juin-ultrafast-laser-processing-micromachining-and-texturing-arnaud-weck\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.minesparis.psl.eu\/cmat\/wp-content\/uploads\/sites\/25\/2025\/11\/SEMINAIRE-AMPHI-scaled.jpg\",\"datePublished\":\"2026-06-16T09:13:47+00:00\",\"dateModified\":\"2026-06-16T09:35:38+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.minesparis.psl.eu\/cmat\/actualites\/30-juin-ultrafast-laser-processing-micromachining-and-texturing-arnaud-weck\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.minesparis.psl.eu\/cmat\/actualites\/30-juin-ultrafast-laser-processing-micromachining-and-texturing-arnaud-weck\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.minesparis.psl.eu\/cmat\/actualites\/30-juin-ultrafast-laser-processing-micromachining-and-texturing-arnaud-weck\/#primaryimage\",\"url\":\"https:\/\/www.minesparis.psl.eu\/cmat\/wp-content\/uploads\/sites\/25\/2025\/11\/SEMINAIRE-AMPHI-scaled.jpg\",\"contentUrl\":\"https:\/\/www.minesparis.psl.eu\/cmat\/wp-content\/uploads\/sites\/25\/2025\/11\/SEMINAIRE-AMPHI-scaled.jpg\",\"width\":2560,\"height\":1920},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.minesparis.psl.eu\/cmat\/actualites\/30-juin-ultrafast-laser-processing-micromachining-and-texturing-arnaud-weck\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/www.minesparis.psl.eu\/cmat\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"30 juin \u00ab Ultrafast Laser Processing : Micromachining and Texturing \u00bb \u2013 Arnaud WECK\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.minesparis.psl.eu\/cmat\/#website\",\"url\":\"https:\/\/www.minesparis.psl.eu\/cmat\/\",\"name\":\"Centre des Mat\u00e9riaux Mines Paris - PSL\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.minesparis.psl.eu\/cmat\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.minesparis.psl.eu\/cmat\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.minesparis.psl.eu\/cmat\/#organization\",\"name\":\"Centre des Mat\u00e9riaux Mines Paris - PSL\",\"url\":\"https:\/\/www.minesparis.psl.eu\/cmat\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.minesparis.psl.eu\/cmat\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.minesparis.psl.eu\/cmat\/wp-content\/uploads\/sites\/25\/2025\/06\/cropped-Logo-Mines-CNRS-scaled-1.png\",\"contentUrl\":\"https:\/\/www.minesparis.psl.eu\/cmat\/wp-content\/uploads\/sites\/25\/2025\/06\/cropped-Logo-Mines-CNRS-scaled-1.png\",\"width\":2479,\"height\":377,\"caption\":\"Centre des Mat\u00e9riaux Mines Paris - PSL\"},\"image\":{\"@id\":\"https:\/\/www.minesparis.psl.eu\/cmat\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"30 juin \"Ultrafast Laser Processing : Micromachining and Texturing\" - Arnaud WECK - Centre des Mat\u00e9riaux Mines Paris - PSL","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.minesparis.psl.eu\/cmat\/actualites\/30-juin-ultrafast-laser-processing-micromachining-and-texturing-arnaud-weck\/","og_locale":"fr_FR","og_type":"article","og_title":"30 juin \"Ultrafast Laser Processing : Micromachining and Texturing\" - Arnaud WECK - Centre des Mat\u00e9riaux Mines Paris - PSL","og_url":"https:\/\/www.minesparis.psl.eu\/cmat\/actualites\/30-juin-ultrafast-laser-processing-micromachining-and-texturing-arnaud-weck\/","og_site_name":"Centre des Mat\u00e9riaux Mines Paris - PSL","article_modified_time":"2026-06-16T09:35:38+00:00","og_image":[{"width":2560,"height":1920,"url":"https:\/\/www.minesparis.psl.eu\/cmat\/wp-content\/uploads\/sites\/25\/2025\/11\/SEMINAIRE-AMPHI-scaled.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Dur\u00e9e de lecture estim\u00e9e":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.minesparis.psl.eu\/cmat\/actualites\/30-juin-ultrafast-laser-processing-micromachining-and-texturing-arnaud-weck\/","url":"https:\/\/www.minesparis.psl.eu\/cmat\/actualites\/30-juin-ultrafast-laser-processing-micromachining-and-texturing-arnaud-weck\/","name":"30 juin \"Ultrafast Laser Processing : Micromachining and Texturing\" - Arnaud WECK - Centre des Mat\u00e9riaux Mines Paris - PSL","isPartOf":{"@id":"https:\/\/www.minesparis.psl.eu\/cmat\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.minesparis.psl.eu\/cmat\/actualites\/30-juin-ultrafast-laser-processing-micromachining-and-texturing-arnaud-weck\/#primaryimage"},"image":{"@id":"https:\/\/www.minesparis.psl.eu\/cmat\/actualites\/30-juin-ultrafast-laser-processing-micromachining-and-texturing-arnaud-weck\/#primaryimage"},"thumbnailUrl":"https:\/\/www.minesparis.psl.eu\/cmat\/wp-content\/uploads\/sites\/25\/2025\/11\/SEMINAIRE-AMPHI-scaled.jpg","datePublished":"2026-06-16T09:13:47+00:00","dateModified":"2026-06-16T09:35:38+00:00","breadcrumb":{"@id":"https:\/\/www.minesparis.psl.eu\/cmat\/actualites\/30-juin-ultrafast-laser-processing-micromachining-and-texturing-arnaud-weck\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.minesparis.psl.eu\/cmat\/actualites\/30-juin-ultrafast-laser-processing-micromachining-and-texturing-arnaud-weck\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.minesparis.psl.eu\/cmat\/actualites\/30-juin-ultrafast-laser-processing-micromachining-and-texturing-arnaud-weck\/#primaryimage","url":"https:\/\/www.minesparis.psl.eu\/cmat\/wp-content\/uploads\/sites\/25\/2025\/11\/SEMINAIRE-AMPHI-scaled.jpg","contentUrl":"https:\/\/www.minesparis.psl.eu\/cmat\/wp-content\/uploads\/sites\/25\/2025\/11\/SEMINAIRE-AMPHI-scaled.jpg","width":2560,"height":1920},{"@type":"BreadcrumbList","@id":"https:\/\/www.minesparis.psl.eu\/cmat\/actualites\/30-juin-ultrafast-laser-processing-micromachining-and-texturing-arnaud-weck\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/www.minesparis.psl.eu\/cmat\/"},{"@type":"ListItem","position":2,"name":"30 juin \u00ab Ultrafast Laser Processing : Micromachining and Texturing \u00bb \u2013 Arnaud WECK"}]},{"@type":"WebSite","@id":"https:\/\/www.minesparis.psl.eu\/cmat\/#website","url":"https:\/\/www.minesparis.psl.eu\/cmat\/","name":"Centre des Mat\u00e9riaux Mines Paris - PSL","description":"","publisher":{"@id":"https:\/\/www.minesparis.psl.eu\/cmat\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.minesparis.psl.eu\/cmat\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/www.minesparis.psl.eu\/cmat\/#organization","name":"Centre des Mat\u00e9riaux Mines Paris - PSL","url":"https:\/\/www.minesparis.psl.eu\/cmat\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.minesparis.psl.eu\/cmat\/#\/schema\/logo\/image\/","url":"https:\/\/www.minesparis.psl.eu\/cmat\/wp-content\/uploads\/sites\/25\/2025\/06\/cropped-Logo-Mines-CNRS-scaled-1.png","contentUrl":"https:\/\/www.minesparis.psl.eu\/cmat\/wp-content\/uploads\/sites\/25\/2025\/06\/cropped-Logo-Mines-CNRS-scaled-1.png","width":2479,"height":377,"caption":"Centre des Mat\u00e9riaux Mines Paris - PSL"},"image":{"@id":"https:\/\/www.minesparis.psl.eu\/cmat\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.minesparis.psl.eu\/cmat\/wp-json\/wp\/v2\/actualites\/2207","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.minesparis.psl.eu\/cmat\/wp-json\/wp\/v2\/actualites"}],"about":[{"href":"https:\/\/www.minesparis.psl.eu\/cmat\/wp-json\/wp\/v2\/types\/actualites"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.minesparis.psl.eu\/cmat\/wp-json\/wp\/v2\/media\/1892"}],"wp:attachment":[{"href":"https:\/\/www.minesparis.psl.eu\/cmat\/wp-json\/wp\/v2\/media?parent=2207"}],"wp:term":[{"taxonomy":"actualites-formats","embeddable":true,"href":"https:\/\/www.minesparis.psl.eu\/cmat\/wp-json\/wp\/v2\/actualites-formats?post=2207"},{"taxonomy":"actualites-thematiques","embeddable":true,"href":"https:\/\/www.minesparis.psl.eu\/cmat\/wp-json\/wp\/v2\/actualites-thematiques?post=2207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}