{"id":1732,"date":"2021-12-29T12:28:49","date_gmt":"2021-12-29T12:28:49","guid":{"rendered":"https:\/\/novanta.com\/fr\/precision-manufacturing\/resources\/whitepapers\/longueurs-donde-alternatives-pour-les-lasers-a-co%e2%82%82\/"},"modified":"2026-09-02T11:02:32","modified_gmt":"2026-09-02T11:02:32","slug":"longueurs-donde-alternatives-pour-les-lasers-a-co%e2%82%82","status":"publish","type":"novanta_tech_paper","link":"https:\/\/novanta.com\/fr\/precision-manufacturing\/ressources\/documents-blancs\/longueurs-donde-alternatives-pour-les-lasers-a-co%e2%82%82\/","title":{"rendered":"Longueurs d&rsquo;onde alternatives pour les lasers \u00e0 CO\u2082"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"h-technical-paper-overview\">Pr\u00e9sentation de l&rsquo;article technique\u00a0<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-alternative-wavelengths-for-co\u2082-lasers\"><strong>Longueurs d&rsquo;onde alternatives pour les lasers \u00e0 CO\u2082<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><em>C&rsquo;est l&rsquo;absorption du mat\u00e9riau, et non la norme industrielle, qui d\u00e9termine le choix de la longueur d&rsquo;onde d&rsquo;un laser CO\u2082.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La plupart des fiches techniques des lasers CO\u2082 indiquent en premier lieu 10,6 \u00b5m \u2014 la longueur d&rsquo;onde par d\u00e9faut, la plus couramment disponible, le choix s\u00fbr pour le marquage et la d\u00e9coupe \u00e0 usage g\u00e9n\u00e9ral. Mais pour certains mat\u00e9riaux sp\u00e9cifiques en situation de production r\u00e9elle, la longueur d\u2019onde de 10,6 \u00b5m pr\u00e9sente des inconv\u00e9nients notables : des marques irr\u00e9guli\u00e8res sur le carton brillant, des bords fondus lors de la d\u00e9coupe de films en polypropyl\u00e8ne, des marques invisibles sur les bouteilles en PET, des bords carbonis\u00e9s sur les circuits imprim\u00e9s FR4. La longueur d\u2019onde fournie par d\u00e9faut n\u2019est pas toujours la plus adapt\u00e9e \u00e0 votre mat\u00e9riau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cet article technique explique dans quels cas les longueurs d\u2019onde CO\u2082 de 9,3 \u00b5m et 10,2 \u00b5m surpassent la longueur d\u2019onde de 10,6 \u00b5m sur des mat\u00e9riaux sp\u00e9cifiques \u2014 notamment des gains de vitesse de d\u00e9coupe de 2,5 \u00e0 4 foissur le polypropyl\u00e8ne \u00e0 10,2 \u00b5m et un marquage \u00e0 fort contraste sur du PET d\u00e9poli \u00e0 9,3 \u00b5m \u2014 \u00e0 l\u2019aide de spectres d\u2019absorption et de comparaisons visuelles c\u00f4te \u00e0 c\u00f4te afin que vous puissiez choisir le laser adapt\u00e9 au mat\u00e9riau avant de d\u00e9finir le cahier des charges.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-key-takeaways-include\">Principaux points \u00e0 retenir :<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pourquoi c\u2019est l\u2019absorption du mat\u00e9riau \u2014 et non la longueur d\u2019onde par d\u00e9faut de 10,6 \u00b5m \u2014 qui d\u00e9termine la qualit\u00e9 et le rendement des applications du laser CO\u2082<\/li>\n\n\n\n<li>Comment la longueur d&rsquo;onde de 10,2 \u00b5m permet d&rsquo;obtenir des gains de vitesse de d\u00e9coupe de 2,5 \u00e0 4 fois sup\u00e9rieurs \u00e0 ceux de la longueur d&rsquo;onde de 10,6 \u00b5m sur les films de polypropyl\u00e8ne (OPP, CPP, PP)<\/li>\n\n\n\n<li>Quand choisir la longueur d\u2019onde de 9,3 \u00b5m : bouteilles en PET, films polarisants, polyimide (Kapton), circuits imprim\u00e9s FR4\/FR2, polycarbonate, tubulures m\u00e9dicales en Pebax<\/li>\n\n\n\n<li>\u00c0 quoi ressemblent les diff\u00e9rences visuelles en production : comparaison c\u00f4te \u00e0 c\u00f4te des marques sur du carton, des bouteilles en PET, des films OPP et des films PET<\/li>\n\n\n\n<li>Une matrice pratique \u00ab mat\u00e9riau-longueur d\u2019onde \u00bb que vous pouvez consulter avant l\u2019achat pour \u00e9viter un mauvais choix de sp\u00e9cifications du laser CO\u2082<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e9l\u00e9chargez le document technique complet pour consulter les spectres d\u2019absorption du polypropyl\u00e8ne et du PET, des comparaisons visuelles c\u00f4te \u00e0 c\u00f4te sur diff\u00e9rentes longueurs d\u2019onde, ainsi qu\u2019une matrice de r\u00e9f\u00e9rence \u00ab mat\u00e9riau-longueur d\u2019onde \u00bb que vous pouvez utiliser pour choisir le laser CO\u2082 adapt\u00e9 \u00e0 votre application sp\u00e9cifique \u2014 avant qu\u2019une longueur d\u2019onde inadapt\u00e9e ne se traduise par des rebuts sur votre ligne de production.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pr\u00e9sentation de l&rsquo;article technique\u00a0 Longueurs d&rsquo;onde alternatives pour les lasers \u00e0 CO\u2082 C&rsquo;est l&rsquo;absorption du mat\u00e9riau, et non la norme industrielle, qui d\u00e9termine le choix de la longueur d&rsquo;onde d&rsquo;un laser CO\u2082. La plupart des fiches techniques des lasers CO\u2082 indiquent en premier lieu 10,6 \u00b5m \u2014 la longueur d&rsquo;onde par d\u00e9faut, la plus couramment [&hellip;]<\/p>\n","protected":false},"author":342,"featured_media":323,"template":"","meta":{"_acf_changed":true,"card_thumbnail_id":0,"show_table_of_content":true},"class_list":["post-1732","novanta_tech_paper","type-novanta_tech_paper","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.1 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Alternative CO2 Laser Wavelengths | Novanta<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment les diff\u00e9rentes longueurs d&#039;onde disponibles pour les lasers CO\u2082 peuvent am\u00e9liorer l&#039;absorption des mat\u00e9riaux et les r\u00e9sultats d&#039;usinage dans le cadre d&#039;applications industrielles utilisant des lasers 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