{"id":7521,"date":"2019-03-21T16:11:00","date_gmt":"2019-03-21T15:11:00","guid":{"rendered":"https:\/\/www.cailabs.com\/blog\/non-classifiee\/glass-cutting-using-bessel-beams\/"},"modified":"2024-05-13T09:44:23","modified_gmt":"2024-05-13T07:44:23","slug":"la-decoupe-de-verre-par-faisceaux-de-bessel","status":"publish","type":"post","link":"https:\/\/www.cailabs.com\/fr\/blog\/procedes-laser-industriels\/la-decoupe-de-verre-par-faisceaux-de-bessel\/","title":{"rendered":"La d\u00e9coupe de verre par faisceaux de bessel"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Les proc\u00e9d\u00e9s d\u2019usinage du verre offrant de hauts rendements, une grande pr\u00e9cision et de faibles co\u00fbts trouvent un int\u00e9r\u00eat croissant dans l\u2019industrie,notamment pour la fabrication de LEDs, d\u2019\u00e9crans d\u2019affichage ou encore de verres de montres<sup>(1)<\/sup>. Les lasers \u00e0 impulsions ultra-br\u00e8ves repr\u00e9sentent une avanc\u00e9e importante en tant qu\u2019outil d\u2019usinage du verre, car ils permettent, contrairement \u00e0 un usinage m\u00e9canique ou avec un laser plus conventionnel, d\u2019usiner des mat\u00e9riaux transparents et fragiles en \u00e9vitant au maximum les effets thermiques g\u00e9n\u00e9ralement responsables d\u2019alt\u00e9rations des propri\u00e9t\u00e9s m\u00e9caniques et optiques<strong><sup>&nbsp;<\/sup><\/strong><sup>(<\/sup><sup>2<\/sup><sup>)<\/sup>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cependant leurs faibles rendements, du fait de leurs puissances moyennes limit\u00e9es, soul\u00e8vent la n\u00e9cessit\u00e9 de tirer au mieux partie des interactions des impulsions lasers ultra-br\u00e8ves avec le verre usin\u00e9 pour augmenter les vitesses d\u2019usinage. La mise en forme des faisceaux lasers sous forme de faisceaux de Bessel s\u2019av\u00e8re \u00eatre une solution poss\u00e9dant de nombreux avantages pour l\u2019usinage du verre.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\"><strong><strong>Les faisceaux de Bessel<\/strong><\/strong><\/h5>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:0;margin-bottom:0\">\n<figure class=\"wp-block-image alignleft size-full\"><picture><source srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/image-7.webp 1x, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/image-7@2x.webp 2x\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" width=\"186\" height=\"294\" src=\"https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/image-7.jpeg\" alt=\"Figure 1 stealth dicing\" class=\"wp-image-7522\"\/><\/picture><\/figure>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Il existe plusieurs proc\u00e9d\u00e9s d\u2019usinage du verre par laser ultra-brefs, mais aujourd\u2019hui la technique pr\u00e9sentant le plus haut rendement de d\u00e9coupe est celle du \u00ab&nbsp;stealth dicing&nbsp;\u00bb<sup>(<\/sup><sup>3<\/sup><sup>)<\/sup>. Elle consiste \u00e0 percer des lignes de canaux \u00e0 l\u2019int\u00e9rieur du mat\u00e9riau suivant la forme de d\u00e9coupe souhait\u00e9e, puis d\u2019appliquer une force m\u00e9canique ext\u00e9rieure pour induire une faille contr\u00f4l\u00e9e qui va se propager le long de cette forme (Fig. 1)<sup>(<\/sup><sup>3<\/sup><sup>)<\/sup>.&nbsp;La rapidit\u00e9 de cette m\u00e9thode, qui permet des vitesses d\u2019usinage de plusieurs m\u00e8tres par seconde, provient des hautes cadences de per\u00e7age qu\u2019il est possible d\u2019obtenir avec certains types de laser ultra-brefs (plusieurs centaines de milliers de trous par secondes).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La pr\u00e9cision et la r\u00e9gularit\u00e9 du per\u00e7age de ces canaux sont alors des param\u00e8tres essentiels pour obtenir une d\u00e9coupe nette, pr\u00e9cise, et d\u00e9gageant le moins de d\u00e9bris possible. Il y a donc une grande n\u00e9cessit\u00e9 de pouvoir contr\u00f4ler pr\u00e9cis\u00e9ment la fa\u00e7on dont le faisceau laser se propage en profondeur dans le mat\u00e9riau. Les diff\u00e9rentes m\u00e9thodes de per\u00e7age classiques utilis\u00e9es actuellement, comme l\u2019ablation simple ou la filamentation, pr\u00e9sentent un faible rendement, une pr\u00e9cision limit\u00e9e ou m\u00eame des r\u00e9sultats trop impr\u00e9visibles pour \u00eatre appliqu\u00e9e efficacement et avec fiabilit\u00e9 \u00e0 \u00e9chelle industrielle<sup>(<\/sup><sup>3<\/sup><sup>)<\/sup>. Depuis 2017, l\u2019utilisation de technologies de mise en forme de faisceau laser pour la g\u00e9n\u00e9ration de faisceaux de Bessel s\u2019est illustr\u00e9e comme technique de choix pour r\u00e9pondre \u00e0 cette n\u00e9cessit\u00e9, permettant d\u2019obtenir une haute ma\u00eetrise de per\u00e7age de canaux.<\/p>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:0;margin-bottom:0\">\n<figure class=\"wp-block-image alignright size-full\"><picture><source srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/image-8.webp 1x, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/image-8@2x.webp 2x\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" width=\"178\" height=\"421\" src=\"https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/image-8.jpeg\" alt=\"Figure 2 Faisceau de Bessel avec l\u00e9gende-1\" class=\"wp-image-7525\" srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/image-8.jpeg 178w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/image-8-127x300.jpeg 127w\" sizes=\"auto, (max-width: 178px) 100vw, 178px\" \/><\/picture><\/figure>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Les faisceaux de Bessel sont une forme de faisceaux laser construits par interf\u00e9rences sur une longue distance, permettant une concentration intense de l\u2019\u00e9nergie pouvant se prolonger sans diffraction \u00e0 l\u2019int\u00e9rieur de mat\u00e9riaux transparents (Fig.2). Des faisceaux de Bessel g\u00e9n\u00e9r\u00e9s avec un laser ultra-bref permettent ainsi une ablation en profondeur du mat\u00e9riau expos\u00e9, ce qui est particuli\u00e8rement adapt\u00e9 pour le per\u00e7age de nano-canaux de hauts rapports de forme (Fig.2). Il est ainsi possible de percer dans des couches de verre de plusieurs mm d\u2019\u00e9paisseur des canaux de tr\u00e8s faibles diam\u00e8tres (moins de 2 microm\u00e8tres) et pr\u00e9sentant une grande homog\u00e9n\u00e9it\u00e9 de forme<sup>(<\/sup><sup>3<\/sup><sup>)<\/sup>. L\u2019avantage d\u2019utiliser les faisceaux de Bessel pour le per\u00e7age de nano-canaux est que la forme du faisceau laser d\u00e9finit les dimensions du per\u00e7age. En ma\u00eetrisant la mise en forme de faisceaux de Bessel, il est donc possible d\u2019avoir un contr\u00f4le accru sur le per\u00e7age. Il s\u2019agit donc d\u2019une m\u00e9thode plus simple, mieux ma\u00eetris\u00e9e et de meilleure reproductibilit\u00e9 que les m\u00e9thodes jusque-ici utilis\u00e9es. Elle se distingue donc comme \u00e9tant la technique qui permet le meilleur contr\u00f4le de per\u00e7age, pour atteindre les qualit\u00e9s et pr\u00e9cisions d\u2019usinage n\u00e9cessaire \u00e0 un usinage de pr\u00e9cision du verre \u00e0 \u00e9chelle industrielle.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\"><strong><strong>La g\u00e9n\u00e9ration de faisceaux de Bessel<\/strong><\/strong><\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">Plusieurs technologies de mise en forme de faisceau laser permettent d\u2019obtenir des faisceaux de Bessel. Par exemple les lentilles coniques (axicons) et les modulateurs spatiaux de lumi\u00e8re (SLM) sont commun\u00e9ment utilis\u00e9s pour en g\u00e9n\u00e9rer, mais souffrent de plusieurs limitations&nbsp;: Les SLM produisent des faisceaux de bonne qualit\u00e9 (et sont reprogrammables), mais ont un faible rendement \u00e9nerg\u00e9tique et ne supportent pas les hautes puissances. Les lentilles coniques peuvent quant \u00e0 elles subir de hautes puissances, mais g\u00e9n\u00e8rent des faisceaux de moins bonne qualit\u00e9 du fait de d\u00e9fauts li\u00e9s \u00e0 la leur fabrication.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Derni\u00e8rement, l\u2019entreprise fran\u00e7aise Cailabs, fabricant de syst\u00e8mes de mise en forme de faisceaux laser, a rapport\u00e9 la g\u00e9n\u00e9ration de faisceaux de Bessel de haute qualit\u00e9 en utilisant des axicons r\u00e9flectifs<sup>(4<\/sup><sup>)<\/sup>. Ces axicons, fabriqu\u00e9s avec un haut degr\u00e9 de pr\u00e9cision, permettent d\u2019obtenir des faisceaux de Bessel de meilleure qualit\u00e9 avec un excellent rendement \u00e9nerg\u00e9tique (sup\u00e9rieur \u00e0 99%) leur permettant de fonctionner avec des faisceaux lasers de haute puissance. Il s\u2019agit ainsi de la solution la plus adapt\u00e9e \u00e0 une utilisation des faisceaux de Bessel \u00e0 \u00e9chelle industrielle, conjuguant haut rendement et pr\u00e9cision in\u00e9gal\u00e9e.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>A l\u2019avenir<\/strong><\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">Un usinage du verre de qualit\u00e9 et \u00e0 grande productivit\u00e9 est un enjeu important. Si l\u2019utilisation des faisceaux de Bessel permet une grande avanc\u00e9e en termes de qualit\u00e9 et pr\u00e9cision de fabrication, la combinaison d\u2019une technologie de mise en forme de faisceaux de Bessel avec une technologie de division de faisceaux permettrait de multiplier le nombre de trous perc\u00e9s \u00e0 chaque impulsion laser, et donc d\u2019augmenter la vitesse d\u2019usinage.&nbsp;La technologie Cailabs de Multi Plane Light Conversion (MPLC),&nbsp;qui rend possible la g\u00e9n\u00e9ration et la mise en forme simultan\u00e9e de multiples faisceaux en parall\u00e8le, permettrait ainsi \u00e0 terme d\u2019atteindre des vitesses d\u2019usinage in\u00e9gal\u00e9es, de l\u2019ordre de plusieurs dizaines de m\u00e8tres par seconde. A \u00e9chelle industrielle, de telles vitesses d\u2019usinage augmenteraient drastiquement la production, tout en conservant une qualit\u00e9 optimale et pour un co\u00fbt d\u2019exploitation moindre.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-left is-layout-flex wp-container-core-buttons-is-layout-dbdc5c9f wp-block-buttons-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-text-align-left wp-element-button\" href=\"https:\/\/www.cailabs.com\/case-studies\/industrial-laser-processing\/canunda-axicon-generates-nanoscale-surface-structuring-using-a-bessel-beam\" target=\"_blank\" rel=\"noreferrer noopener\">En savoir plus sur CANUNDA notre solution de mise en forme de faisceaux lasers<\/a><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><em>(1)&nbsp;Annual Laser Market Review &amp; Forecast: Where have all the lasers gone? by&nbsp;Gail Overton, Allen Nogee, David Belforte, and Conard Holton.&nbsp;<a href=\"https:\/\/www.laserfocusworld.com\/articles\/print\/volume-53\/issue-01\/features\/annual-laser-market-review-forecast-where-have-all-the-lasers-gone.html\" rel=\"noreferrer noopener\" target=\"_blank\">Lire l&rsquo;article<\/a>&nbsp;&nbsp;<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>(2)&nbsp;Ahead of the Curve \u2013 Lasers Enable Superior Glass Cutting for Demanding Applications by&nbsp;Roland Mayerhofer, Coherent.&nbsp;&nbsp;<a href=\"https:\/\/edge.coherent.com\/assets\/pdf\/Ahead_the_New_Glass_Cutting_COHR_Rofin_Whitepaper.pdf\" rel=\"noreferrer noopener\" target=\"_blank\">Lire l&rsquo;article<\/a>&nbsp;<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>(3)&nbsp;The Laser User &#8211; Spring 2017 .&nbsp;<a href=\"https:\/\/www.ailu.org.uk\/assets\/document\/issue_84_low_res.pdf#page=28\" rel=\"noreferrer noopener\" target=\"_blank\">Acc\u00e9der \u00e0 la revue<\/a>&nbsp;<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>(4) Pauline Boucher et al., Generation of high conical angle Bessel-Gauss beams with reflective axicons (2017)<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-orange-color has-alpha-channel-opacity has-orange-background-color has-background\" style=\"margin-top:var(--wp--preset--spacing--40);margin-bottom:var(--wp--preset--spacing--40)\"\/>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-d8a99ceb wp-block-columns-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--60);margin-bottom:var(--wp--preset--spacing--60);padding-top:0;padding-right:var(--wp--preset--spacing--50);padding-bottom:0;padding-left:var(--wp--preset--spacing--50)\">\n<div class=\"wp-block-column is-vertically-aligned-center is-content-justification-center is-layout-constrained wp-container-core-column-is-layout-50d80bb3 wp-block-column-is-layout-constrained\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0;flex-basis:33.33%\">\n<figure class=\"wp-block-image aligncenter size-medium is-resized is-style-rounded\"><picture><source srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/image-14-300x300.webp 1x, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/image-14-300x300@2x.webp 2x\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/image-14-300x300.webp\" alt=\"\" class=\"wp-image-7495\" style=\"width:174px;height:auto\" srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/image-14-300x300.webp 300w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/image-14-1024x1024.webp 1024w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/image-14-150x150.webp 150w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/image-14-768x768.webp 768w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/image-14-1536x1536.webp 1536w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/image-14-2048x2048.webp 2048w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/picture><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-container-core-column-is-layout-794380d1 wp-block-column-is-layout-flow\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0;flex-basis:66.66%\">\n<p class=\"wp-block-paragraph\"><strong>Par Sami Laroui<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ing\u00e9nieur dipl\u00f4m\u00e9 en sciences des mat\u00e9riaux et titulaire d\u2019un Master en innovation et entreprenariat, Sami Laroui a rejoint Cailabs en 2018. Il contribue, en tant qu\u2019ing\u00e9nieur avant-vente, au d\u00e9veloppement et \u00e0 la commercialisation de solutions optiques innovantes optimisant la qualit\u00e9 et le rendement des proc\u00e9d\u00e9s d\u2019usinage laser.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:0;margin-bottom:0\">\n<h2 class=\"wp-block-heading has-text-align-center has-h-5-font-size\" style=\"margin-top:0;margin-bottom:0\">Nos autres articles :<\/h2>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-container-core-group-is-layout-00e91356 wp-block-group-is-layout-constrained\" style=\"margin-top:var(--wp--preset--spacing--40);margin-bottom:var(--wp--preset--spacing--40)\">\n<div data-wp-context=\"{}\" data-wp-interactive=\"core\/query\" data-wp-key=\"0\" data-wp-router-region=\"query-0\" class=\"wp-block-query is-layout-flow wp-block-query-is-layout-flow\"><ul class=\"columns-5 wp-block-post-template has-paragraph-font-size is-layout-grid wp-container-core-post-template-is-layout-b97516d9 wp-block-post-template-is-layout-grid\"><li data-wp-key=\"post-template-item-12619\" class=\"wp-block-post post-12619 post type-post status-publish format-standard has-post-thumbnail hentry category-aerospatial-et-defense\">\n<figure style=\"aspect-ratio:16\/9\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/www.cailabs.com\/fr\/blog\/aerospatial-et-defense\/5-raisons-pour-lesquelles-cailabs-fait-des-communications-optiques-une-realite\/\" target=\"_self\"  ><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1440\" src=\"https:\/\/www.cailabs.com\/app\/uploads\/2025\/09\/assembly-and-validation-platform-ogs-contec-scaled.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"5 raisons pour lesquelles Cailabs fait des communications optiques une r\u00e9alit\u00e9\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2025\/09\/assembly-and-validation-platform-ogs-contec-scaled.jpg 2560w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/09\/assembly-and-validation-platform-ogs-contec-300x169.jpg 300w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/09\/assembly-and-validation-platform-ogs-contec-1024x576.jpg 1024w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/09\/assembly-and-validation-platform-ogs-contec-768x432.jpg 768w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/09\/assembly-and-validation-platform-ogs-contec-1536x864.jpg 1536w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/09\/assembly-and-validation-platform-ogs-contec-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/a><\/figure>\n\n<h2 style=\"padding-right:0;padding-left:0;padding-top:0;padding-bottom:0;margin-top:0;margin-bottom:0\" class=\"has-text-align-left wp-block-post-title has-paragraph-font-size\">5 raisons pour lesquelles Cailabs fait des communications optiques une r\u00e9alit\u00e9<\/h2>\n<\/li><li data-wp-key=\"post-template-item-11410\" class=\"wp-block-post post-11410 post type-post status-publish format-standard has-post-thumbnail hentry category-aerospatial-et-defense category-communications-laser\">\n<figure style=\"aspect-ratio:16\/9\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/www.cailabs.com\/fr\/blog\/aerospatial-et-defense\/tilba-ogs-et-qkd-batir-la-confiance-dans-lavenir-des-communications-quantiques-securisees\/\" target=\"_self\"  ><img loading=\"lazy\" decoding=\"async\" width=\"1386\" height=\"780\" src=\"https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/visuel-bandeau.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"TILBA\u00ae-OGS et QKD : b\u00e2tir la confiance dans l\u2019avenir des communications quantiques s\u00e9curis\u00e9es\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/visuel-bandeau.jpg 1386w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/visuel-bandeau-300x169.jpg 300w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/visuel-bandeau-1024x576.jpg 1024w, https:\/\/www.cailabs.com\/app\/uploads\/2025\/05\/visuel-bandeau-768x432.jpg 768w\" sizes=\"auto, (max-width: 1386px) 100vw, 1386px\" \/><\/a><\/figure>\n\n<h2 style=\"padding-right:0;padding-left:0;padding-top:0;padding-bottom:0;margin-top:0;margin-bottom:0\" class=\"has-text-align-left wp-block-post-title has-paragraph-font-size\">TILBA\u00ae-OGS et QKD : b\u00e2tir la confiance dans l\u2019avenir des communications quantiques s\u00e9curis\u00e9es<\/h2>\n<\/li><li data-wp-key=\"post-template-item-7388\" class=\"wp-block-post post-7388 post type-post status-publish format-standard has-post-thumbnail hentry category-aerospatial-et-defense category-communications-laser\">\n<figure style=\"aspect-ratio:16\/9\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/www.cailabs.com\/fr\/blog\/aerospatial-et-defense\/depasser-les-limites-de-debit-grace-aux-communications-laser\/\" target=\"_self\"  ><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1017\" src=\"https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/adobestock_623240349-scaled.jpeg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"D\u00e9passer les limites de d\u00e9bit gr\u00e2ce aux communications laser\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/adobestock_623240349-scaled.jpeg 2560w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/adobestock_623240349-300x119.jpeg 300w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/adobestock_623240349-1024x407.jpeg 1024w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/adobestock_623240349-768x305.jpeg 768w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/adobestock_623240349-1536x610.jpeg 1536w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/adobestock_623240349-2048x813.jpeg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/a><\/figure>\n\n<h2 style=\"padding-right:0;padding-left:0;padding-top:0;padding-bottom:0;margin-top:0;margin-bottom:0\" class=\"has-text-align-left wp-block-post-title has-paragraph-font-size\">D\u00e9passer les limites de d\u00e9bit gr\u00e2ce aux communications laser<\/h2>\n<\/li><li data-wp-key=\"post-template-item-5023\" class=\"wp-block-post post-5023 post type-post status-publish format-standard has-post-thumbnail hentry category-procedes-laser-industriels category-soudage-laser\">\n<figure style=\"aspect-ratio:16\/9\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/www.cailabs.com\/fr\/blog\/procedes-laser-industriels\/les-defis-de-lemobilite-le-soudage-des-busbars\/\" target=\"_self\"  ><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"890\" src=\"https:\/\/www.cailabs.com\/app\/uploads\/2023\/12\/busbars-welding-and-the-challenges-of-e-mobility-scaled.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Les d\u00e9fis de l&#8217;emobilit\u00e9 : le soudage des busbars\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2023\/12\/busbars-welding-and-the-challenges-of-e-mobility-scaled.jpg 2560w, https:\/\/www.cailabs.com\/app\/uploads\/2023\/12\/busbars-welding-and-the-challenges-of-e-mobility-300x104.jpg 300w, https:\/\/www.cailabs.com\/app\/uploads\/2023\/12\/busbars-welding-and-the-challenges-of-e-mobility-1024x356.jpg 1024w, https:\/\/www.cailabs.com\/app\/uploads\/2023\/12\/busbars-welding-and-the-challenges-of-e-mobility-768x267.jpg 768w, https:\/\/www.cailabs.com\/app\/uploads\/2023\/12\/busbars-welding-and-the-challenges-of-e-mobility-1536x534.jpg 1536w, https:\/\/www.cailabs.com\/app\/uploads\/2023\/12\/busbars-welding-and-the-challenges-of-e-mobility-2048x712.jpg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/a><\/figure>\n\n<h2 style=\"padding-right:0;padding-left:0;padding-top:0;padding-bottom:0;margin-top:0;margin-bottom:0\" class=\"has-text-align-left wp-block-post-title has-paragraph-font-size\">Les d\u00e9fis de l&#8217;emobilit\u00e9 : le soudage des busbars<\/h2>\n<\/li><li data-wp-key=\"post-template-item-7286\" class=\"wp-block-post post-7286 post type-post status-publish format-standard has-post-thumbnail hentry category-aerospatial-et-defense category-communications-laser\">\n<figure style=\"aspect-ratio:16\/9\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/www.cailabs.com\/fr\/blog\/aerospatial-et-defense\/voler-plus-loin-avec-la-mise-en-forme-de-la-lumiere\/\" target=\"_self\"  ><img loading=\"lazy\" decoding=\"async\" width=\"2400\" height=\"1400\" src=\"https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/commercial-aircraft-pilots-1200x700-rs.webp\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Voler plus loin avec la mise en forme de la lumi\u00e8re\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/commercial-aircraft-pilots-1200x700-rs.webp 2400w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/commercial-aircraft-pilots-1200x700-rs-300x175.webp 300w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/commercial-aircraft-pilots-1200x700-rs-1024x597.webp 1024w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/commercial-aircraft-pilots-1200x700-rs-768x448.webp 768w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/commercial-aircraft-pilots-1200x700-rs-1536x896.webp 1536w, https:\/\/www.cailabs.com\/app\/uploads\/2024\/02\/commercial-aircraft-pilots-1200x700-rs-2048x1195.webp 2048w\" sizes=\"auto, (max-width: 2400px) 100vw, 2400px\" \/><\/a><\/figure>\n\n<h2 style=\"padding-right:0;padding-left:0;padding-top:0;padding-bottom:0;margin-top:0;margin-bottom:0\" class=\"has-text-align-left wp-block-post-title has-paragraph-font-size\">Voler plus loin avec la mise en forme de la lumi\u00e8re<\/h2>\n<\/li><\/ul><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Les proc\u00e9d\u00e9s d\u2019usinage du verre offrant de hauts rendements, une grande pr\u00e9cision et de faibles co\u00fbts trouvent un int\u00e9r\u00eat croissant dans l\u2019industrie,notamment pour la fabrication de LEDs, d\u2019\u00e9crans d\u2019affichage ou encore de verres de montres(1). Les lasers \u00e0 impulsions ultra-br\u00e8ves repr\u00e9sentent une avanc\u00e9e importante en tant qu\u2019outil d\u2019usinage du verre, car ils permettent, contrairement \u00e0 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":7518,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","_schema_org_content_json":"","footnotes":""},"categories":[148,149],"tags":[],"class_list":["post-7521","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-procedes-laser-industriels","category-soudage-laser"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Blog | La d\u00e9coupe de verre par faisceaux de bessel<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment la d\u00e9coupe de verre par faisceaux de Bessel r\u00e9volutionne les 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