{"id":1302,"date":"2021-01-04T10:52:58","date_gmt":"2021-01-04T10:52:58","guid":{"rendered":"https:\/\/novanta.com\/fr\/precision-manufacturing\/non-classe\/guide-sur-les-lasers-femtosecondes\/"},"modified":"2026-09-02T11:12:48","modified_gmt":"2026-09-02T11:12:48","slug":"guide-sur-les-lasers-femtosecondes","status":"publish","type":"post","link":"https:\/\/novanta.com\/fr\/precision-manufacturing\/articles\/article\/guide-sur-les-lasers-femtosecondes\/","title":{"rendered":"Guide sur les lasers \u00e0 femtoseconde"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"h-what-is-a-femtosecond-laser\">Qu&rsquo;est-ce qu&rsquo;un laser \u00e0 femtoseconde ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un laser \u00e0 femtoseconde est un type de <a href=\"https:\/\/novantaphotonics.com\/product-category\/lasers\/ultrafast-lasers\/\">laser ultra-rapide<\/a> qui \u00e9met des impulsions optiques dont la dur\u00e9e varie de quelques femtosecondes \u00e0 plusieurs centaines de femtosecondes. Une femtoseconde \u00e9quivaut \u00e0 un quadrillioni\u00e8me de seconde. Chaque impulsion d&rsquo;un laser \u00e0 femtoseconde ne dure que quelques quadrillioni\u00e8mes de seconde, ce qui garantit une grande pr\u00e9cision dans de nombreuses applications.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ce type de laser est pl\u00e9biscit\u00e9 pour sa pr\u00e9cision et sa polyvalence in\u00e9gal\u00e9es. Les lasers \u00e0 femtoseconde sont utilis\u00e9s dans divers proc\u00e9d\u00e9s de fabrication, interventions m\u00e9dicales et recherches scientifiques, o\u00f9 leur extr\u00eame pr\u00e9cision et leurs caract\u00e9ristiques uniques contribuent \u00e0 minimiser les dommages thermiques caus\u00e9s aux substrats environnants ou aux tissus biologiques, et permettent une pr\u00e9cision de mesure sans pr\u00e9c\u00e9dent.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-how-does-a-femtosecond-laser-work\">Comment fonctionne un laser \u00e0 femtoseconde ?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les lasers femtosecondes \u00e9mettent de la lumi\u00e8re sous forme d\u2019impulsions courtes plut\u00f4t que sous forme d\u2019onde continue. Ces lasers concentrent l\u2019\u00e9nergie sur une dur\u00e9e tr\u00e8s courte au sein d\u2019une m\u00eame impulsion laser. Cela se traduit par des puissances de cr\u00eate \u00e9lev\u00e9es, bien sup\u00e9rieures \u00e0 celles atteignables par les lasers \u00e0 onde continue.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le r\u00e9sonateur optique d\u2019un laser femtoseconde pi\u00e8ge la lumi\u00e8re, qui forme un certain nombre d\u2019ondes stationnaires de longueurs d\u2019onde diff\u00e9rentes, conform\u00e9ment \u00e0 la condition de r\u00e9sonance. Plus le spectre de la lumi\u00e8re laser est large, plus il existe d\u2019ondes stationnaires ou de modes \u00e0 l\u2019int\u00e9rieur d\u2019un r\u00e9sonateur laser. Le nombre de modes d\u00e9pend \u00e9galement de la gamme spectrale du milieu de gain des lasers femtosecondes. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-mode-locking\">Verrouillage de mode<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La technique utilis\u00e9e pour g\u00e9n\u00e9rer une impulsion laser \u00e0 l\u2019int\u00e9rieur du r\u00e9sonateur est appel\u00e9e verrouillage de mode. En r\u00e8gle g\u00e9n\u00e9rale, tous ces modes du r\u00e9sonateur oscillent ind\u00e9pendamment et de mani\u00e8re al\u00e9atoire. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le verrouillage de mode signifie que les modes du r\u00e9sonateur sont contraints d\u2019osciller en phase, ce qui, par addition coh\u00e9rente, conduit \u00e0 une impulsion laser bien d\u00e9finie qui se propage \u00e0 l\u2019int\u00e9rieur du r\u00e9sonateur, avant de sortir dans une seule direction pour \u00e9mettre une impulsion laser. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En principe, plus le nombre de modes verrouill\u00e9s en phase est \u00e9lev\u00e9, plus la dur\u00e9e d\u2019impulsion pouvant \u00eatre obtenue est courte. Les lasers femtosecondes ne se distinguent pas seulement par la dur\u00e9e de leurs impulsions, mais aussi par la fr\u00e9quence de r\u00e9p\u00e9tition de celles-ci, qui peut aller de plusieurs MHz \u00e0 des GHz. <\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-are-the-different-types-of-femtosecond-laser\">Quels sont les diff\u00e9rents types de lasers femtosecondes ?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Techniquement, il existe diff\u00e9rents types de lasers capables de produire des impulsions femtosecondes, notamment <a href=\"https:\/\/novantaphotonics.com\/product-category\/lasers\/solid-state-continuous-wave-lasers\/\">les lasers \u00e0 l\u2019\u00e9tat solide<\/a>, les lasers \u00e0 fibre, etc.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Lasers \u00e0 l&rsquo;\u00e9tat solide :<\/strong> utilis\u00e9s dans des applications telles que la spectroscopie et les interventions chirurgicales, les lasers \u00e0 l&rsquo;\u00e9tat solide femtoseconde sont r\u00e9put\u00e9s pour leur grande pr\u00e9cision et leur fiabilit\u00e9 exceptionnelle<\/li>\n\n\n\n<li><strong>Lasers \u00e0 fibre : <\/strong>les lasers<strong>\u00e0 fibre <\/strong>femtoseconde sont fr\u00e9quemment utilis\u00e9s dans le micro-usinage ou les applications biom\u00e9dicales, car ils sont r\u00e9put\u00e9s pour leur stabilit\u00e9 exceptionnelle et la qualit\u00e9 de leur faisceau<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Lasers \u00e0 colorant :<\/strong> ces lasers femtoseconde permettent l\u2019observation ultra-rapide des processus mol\u00e9culaires et atomiques, contribuant ainsi \u00e0 une productivit\u00e9 accrue<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-femtosecond-laser-applications\">Applications des lasers femtosecondes<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les lasers femtosecondes peuvent \u00eatre utilis\u00e9s dans de multiples applications de traitement des mat\u00e9riaux, notamment la d\u00e9coupe, l\u2019ablation, le per\u00e7age et le micro-usinage, ainsi que dans un large \u00e9ventail d\u2019applications scientifiques, telles que la spectroscopie, la m\u00e9trologie et la g\u00e9n\u00e9ration de lumi\u00e8re quantique.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/novantaphotonics.com\/application\/laser-cutting\/\"><strong>D\u00e9coupe au laser<\/strong><\/a><strong>femtoseconde <\/strong><strong>: l\u2019utilisation de <\/strong>lasers femtosecondes pour la d\u00e9coupe de haute pr\u00e9cision r\u00e9duit au minimum les dommages thermiques, ce qui permet d\u2019obtenir des ar\u00eates plus nettes et des d\u00e9coupes plus pr\u00e9cises\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/novantaphotonics.com\/application\/detail\/laser-ablation\/\"><strong>Ablation au laser<\/strong><\/a><strong>femtoseconde <\/strong><strong>:<\/strong> l&rsquo;ablation au laser n\u00e9cessite des impulsions courtes et extr\u00eamement pr\u00e9cises, c&rsquo;est pourquoi les lasers femtosecondes sont souvent utilis\u00e9s dans les applications chirurgicales<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><a href=\"https:\/\/novantaphotonics.com\/application\/detail\/laser-drilling-trepanning-material-processing\/\"><strong>Per\u00e7age au laser<\/strong><\/a><strong>femtoseconde <\/strong><strong>: les <\/strong>impulsions courtes et ultra-rapides \u00e9mises par ce type de laser permettent un per\u00e7age hautement reproductible, notamment dans des secteurs tels que la micro\u00e9lectronique, o\u00f9 un grand nombre de micro-trous est n\u00e9cessaire, avec un minimum de dommages thermiques<\/li>\n\n\n\n<li><a href=\"https:\/\/novantaphotonics.com\/application\/detail\/micromachining\/\"><strong>Micro-usinage au laser<\/strong><\/a><strong>femtoseconde <\/strong><strong>: usinez <\/strong> <a href=\"https:\/\/novantaphotonics.com\/industry-category\/parts-components\/\">des pi\u00e8ces et des composants<\/a> \u00e0 l\u2019\u00e9chelle micro ou nano \u00e0 l\u2019aide d\u2019un micro-usinage laser de pointe pour cr\u00e9er des d\u00e9tails complexes\n<ul class=\"wp-block-list\">\n<li><strong>Analyse des mat\u00e9riaux : les <\/strong>impulsions ultrarapides des lasers femtosecondes permettent une analyse tr\u00e8s pr\u00e9cise des mat\u00e9riaux dans les disciplines scientifiques<\/li>\n\n\n\n<li><strong>Spectroscopie et m\u00e9trologie :<\/strong> les lasers femtosecondes permettent de mieux comprendre les processus physiques et chimiques dynamiques \u00e0 l\u2019\u00e9chelle nanom\u00e9trique. Ces lasers sont essentiels pour explorer les propri\u00e9t\u00e9s des atomes et des mol\u00e9cules, ainsi que pour les horloges atomiques optiques offrant une pr\u00e9cision sup\u00e9rieure \u00e0 18 chiffres<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Technologies quantiques :<\/strong> les lasers femtosecondes sont des outils indispensables pour les applications de la technologie quantique, telles que la g\u00e9n\u00e9ration de photons uniques<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-which-industries-can-benefit-from-femtosecond-laser-technology\">Quels secteurs peuvent tirer parti de la technologie des lasers femtosecondes ?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les techniques de traitement par laser femtoseconde sont utilis\u00e9es par un large \u00e9ventail de secteurs pour offrir une efficacit\u00e9 accrue et une pr\u00e9cision extr\u00eame, notamment :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/novantaphotonics.com\/industry-category\/laser-surgery\/\">Chirurgie<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/novantaphotonics.com\/industry\/medical\/\">Dispositifs m\u00e9dicaux<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/novantaphotonics.com\/industry\/manufacturing-processing\/\">Fabrication<\/a><\/li>\n\n\n\n<li>Traitement chimique<\/li>\n\n\n\n<li><a href=\"https:\/\/novantaphotonics.com\/industry-category\/laser-manufacturing-processing-automotive\/\">Automobile<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/novantaphotonics.com\/industry-category\/aerospace\/\">A\u00e9rospatiale<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/novantaphotonics.com\/industry-category\/consumer-electronics\/\">\u00c9lectronique<\/a><\/li>\n\n\n\n<li>T\u00e9l\u00e9communications<\/li>\n\n\n\n<li><a href=\"https:\/\/novantaphotonics.com\/industry\/scientific-research-development\/\">Recherche scientifique<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/novantaphotonics.com\/industry-category\/laser-reseach-raman-spectroscopy\/\">Spectroscopie<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/novantaphotonics.com\/industry-category\/lasers-material-processing-metrology\/\">M\u00e9trologie<\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-which-materials-can-be-processed-using-femtosecond-lasers\">Quels mat\u00e9riaux peuvent \u00eatre trait\u00e9s \u00e0 l\u2019aide de lasers femtosecondes ?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les lasers femtosecondes sont extr\u00eamement polyvalents et peuvent \u00eatre utilis\u00e9s pour traiter une large gamme de mat\u00e9riaux dans diverses applications industrielles. Les mat\u00e9riaux pouvant \u00eatre trait\u00e9s \u00e0 l&rsquo;aide des technologies laser femtosecondes comprennent :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les m\u00e9taux<\/li>\n\n\n\n<li>Les polym\u00e8res<\/li>\n\n\n\n<li>Verre<\/li>\n\n\n\n<li><a href=\"https:\/\/novantaphotonics.com\/industry-category\/semiconductor\/\">Les semi-conducteurs<\/a><\/li>\n\n\n\n<li>C\u00e9ramiques<\/li>\n\n\n\n<li>Tissus biologiques<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-are-the-benefits-of-femtosecond-laser-processing\">Quels sont les avantages du traitement au laser femtoseconde ?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La g\u00e9n\u00e9ration d&rsquo;une puissance laser ultra-rapide et de haute intensit\u00e9 ouvre de nouvelles perspectives pour toutes sortes d&rsquo;applications laser. L&rsquo;utilisation des lasers femtosecondes pr\u00e9sente de nombreux avantages, notamment :   <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Vitesse ultra-rapide :<\/strong> les lasers femtosecondes permettent d\u2019atteindre des vitesses de traitement ultra-rapides, ce qui se traduit par une efficacit\u00e9 accrue et une productivit\u00e9 am\u00e9lior\u00e9e<\/li>\n\n\n\n<li><strong>Haute pr\u00e9cision :<\/strong> ces lasers offrent des niveaux extr\u00eamement \u00e9lev\u00e9s de pr\u00e9cision et d\u2019exactitude. Ils sont donc parfaitement adapt\u00e9s \u00e0 l\u2019usinage de pi\u00e8ces et de composants complexes, d\u00e9licats ou minutieux, con\u00e7us pour am\u00e9liorer les performances dans divers secteurs industriels, en vue d\u2019une s\u00e9curit\u00e9 accrue ou d\u2019une meilleure exp\u00e9rience utilisateur<\/li>\n\n\n\n<li><strong>Dur\u00e9e d\u2019impulsion laser courte : la <\/strong>dur\u00e9e d\u2019impulsion ultra-courte des lasers femtosecondes permet de les utiliser pour l\u2019observation et la manipulation de processus ultra-courts dans des applications biologiques ou chimiques<\/li>\n\n\n\n<li><strong>Dommages thermiques minimes :<\/strong> les lasers \u00e0 femtoseconde agissent comme une source de chaleur intense et localis\u00e9e qui \u00e9vapore tr\u00e8s rapidement la mati\u00e8re au niveau du point focal, sans forte dissipation de chaleur dans la zone environnante, ce qui r\u00e9duit au minimum les dommages thermiques<\/li>\n\n\n\n<li><strong>Grande polyvalence : <\/strong>les lasers<strong>\u00e0 femtoseconde <\/strong>sont incroyablement polyvalents, car ils peuvent \u00eatre utilis\u00e9s par un large \u00e9ventail de secteurs pour traiter une grande vari\u00e9t\u00e9 de mat\u00e9riaux, notamment les m\u00e9taux, les polym\u00e8res, le verre, la c\u00e9ramique et les tissus biologiques<\/li>\n\n\n\n<li><strong>Am\u00e9lioration des r\u00e9sultats pour les patients :<\/strong> lorsqu\u2019ils sont utilis\u00e9s dans des proc\u00e9dures m\u00e9dicales telles que la chirurgie oculaire au laser, les lasers femtosecondes permettent d\u2019atteindre un niveau de pr\u00e9cision sup\u00e9rieur, ce qui se traduit par de meilleurs r\u00e9sultats pour les patients<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" height=\"377\" width=\"1024\" src=\"https:\/\/novanta.com\/precision-manufacturing\/wp-content\/uploads\/sites\/28\/2026\/04\/image_dda87f.png?quality=85&#038;strip=all&#038;w=1024\" alt=\"\" class=\"wp-image-724\" srcset=\"https:\/\/novanta.com\/precision-manufacturing\/wp-content\/uploads\/sites\/28\/2026\/04\/image_dda87f.png?quality=85&amp;strip=all 1568w, https:\/\/novanta.com\/precision-manufacturing\/wp-content\/uploads\/sites\/28\/2026\/04\/image_dda87f.png?resize=320%2C118&amp;quality=85&amp;strip=all 320w, https:\/\/novanta.com\/precision-manufacturing\/wp-content\/uploads\/sites\/28\/2026\/04\/image_dda87f.png?resize=400%2C147&amp;quality=85&amp;strip=all 400w, https:\/\/novanta.com\/precision-manufacturing\/wp-content\/uploads\/sites\/28\/2026\/04\/image_dda87f.png?resize=840%2C309&amp;quality=85&amp;strip=all 840w, https:\/\/novanta.com\/precision-manufacturing\/wp-content\/uploads\/sites\/28\/2026\/04\/image_dda87f.png?resize=1200%2C442&amp;quality=85&amp;strip=all 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-femtosecond-lasers-from-novanta-precision-manufacturing\">Les lasers \u00e0 femtoseconde de Novanta Precision Manufacturing<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Chez Novanta Precision Manufacturing, nous avons d\u00e9velopp\u00e9 une technologie laser \u00e0 femtoseconde bas\u00e9e sur le Ti:saphir comme milieu de gain dans une architecture \u00e0 l\u2019\u00e9tat solide, ainsi que des syst\u00e8mes adapt\u00e9s \u00e0 des applications sp\u00e9cifiques offrant des capacit\u00e9s uniques pour une grande vari\u00e9t\u00e9 d\u2019utilisations :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/novantaphotonics.com\/product\/taccor-ultrafast-femtosecond-lasers\/\"><strong>taccor<\/strong><\/a><strong>:<\/strong> cette gamme de lasers propose des syst\u00e8mes cl\u00e9s en main avec des fr\u00e9quences de r\u00e9p\u00e9tition allant de 1 GHz \u00e0 10 GHz, dans une conception monobloc combinant un laser de pompage et l\u2019oscillateur<\/li>\n\n\n\n<li><a href=\"https:\/\/novantaphotonics.com\/product\/venteon-ultrafast-femtosecond-lasers\/\"><strong>venteon<\/strong><\/a><strong>:<\/strong> les lasers femtoseconde ultra-rapides venteon combinent une \u00e9mission spectrale couvrant une octave avec des dur\u00e9es d\u2019impulsion inf\u00e9rieures \u00e0 5 fs, ainsi que la capacit\u00e9 de fournir des impulsions \u00e0 CEP verrouill\u00e9<\/li>\n\n\n\n<li><a href=\"https:\/\/novantaphotonics.com\/product\/gecco-ultrafast-femtosecond-laser\/\"><strong>gecco<\/strong><\/a><strong>:<\/strong> ces lasers offrent un choix de fr\u00e9quences de r\u00e9p\u00e9tition comprises entre 70 et 110 MHz avec une dur\u00e9e d\u2019impulsion inf\u00e9rieure \u00e0 20 fs, et constituent le laser de pompage de r\u00e9f\u00e9rence dans de nombreux syst\u00e8mes d\u2019amplificateurs d\u2019impulsions chirp\u00e9es <\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Forts de plus de 35 ans d\u2019exp\u00e9rience dans le d\u00e9veloppement de solutions laser de pointe, nous concevons des syst\u00e8mes alliant haute pr\u00e9cision et vitesses ultra-rapides gr\u00e2ce \u00e0 nos laboratoires d\u2019essais d\u2019applications, o\u00f9 nous privil\u00e9gions une approche \u00abd\u2019ing\u00e9nieur \u00e0 ing\u00e9nieur\u00bb. Les \u00e9quipementiers b\u00e9n\u00e9ficient de notre expertise propri\u00e9taire approfondie, affin\u00e9e au cours de pr\u00e8s de quatre d\u00e9cennies dans le secteur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00e9couvrez notre gamme compl\u00e8te de <a href=\"https:\/\/novantaphotonics.com\/product-category\/lasers\/ultrafast-lasers\/\">lasers ultra-rapides<\/a> ou contactez-nous pour en savoir plus sur nos produits laser femtoseconde.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Qu&rsquo;est-ce qu&rsquo;un laser \u00e0 femtoseconde ? Un laser \u00e0 femtoseconde est un type de laser ultra-rapide qui \u00e9met des impulsions optiques dont la dur\u00e9e varie de quelques femtosecondes \u00e0 plusieurs centaines de femtosecondes. Une femtoseconde \u00e9quivaut \u00e0 un quadrillioni\u00e8me de seconde. Chaque impulsion d&rsquo;un laser \u00e0 femtoseconde ne dure que quelques quadrillioni\u00e8mes de seconde, ce [&hellip;]<\/p>\n","protected":false},"author":342,"featured_media":930,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"card_thumbnail_id":0,"show_table_of_content":true,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[144],"tags":[159],"class_list":["post-1302","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-article","tag-sources-laser"],"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>Guide to Femtosecond Lasers | Novanta Laser Solutions<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez le fonctionnement d&#039;un laser \u00e0 femtoseconde, les domaines d&#039;application de 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