{"id":11115,"date":"2026-07-01T18:17:31","date_gmt":"2026-07-02T01:17:31","guid":{"rendered":"https:\/\/sunflaser.com\/?p=11115"},"modified":"2026-07-01T18:17:33","modified_gmt":"2026-07-02T01:17:33","slug":"choosing-the-wrong-wavelength-for-laser-ranging-even-the-most-expensive-one-wont-help-sunflaser-905nm-1064nm-and-1535nm-lasers","status":"publish","type":"post","link":"https:\/\/sunflaser.com\/fr\/choosing-the-wrong-wavelength-for-laser-ranging-even-the-most-expensive-one-wont-help-sunflaser-905nm-1064nm-and-1535nm-lasers\/","title":{"rendered":"Vous avez choisi une longueur d'onde inadapt\u00e9e pour la t\u00e9l\u00e9m\u00e9trie laser ? M\u00eame le mod\u00e8le le plus cher ne vous sera d'aucune utilit\u00e9 ! Lasers SunFlaser 905 nm, 1 064 nm et 1 535 nm."},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>Dans le choix d'une technologie de t\u00e9l\u00e9m\u00e9trie laser, la longueur d'onde est le facteur cl\u00e9 qui d\u00e9termine les limites de performance, les niveaux de s\u00e9curit\u00e9 et l'ad\u00e9quation au sc\u00e9nario. Au d\u00e9part, de nombreux utilisateurs se concentrent uniquement sur des param\u00e8tres de surface tels que la port\u00e9e et la pr\u00e9cision, tout en n\u00e9gligeant l\u2019impact sous-jacent de la longueur d\u2019onde. Au mieux, cela entra\u00eene une r\u00e9duction drastique de la port\u00e9e par temps de pluie ou de brouillard, ainsi que de fr\u00e9quentes fausses alarmes dans des environnements complexes. Au pire, cela pr\u00e9sente des risques pour la s\u00e9curit\u00e9 oculaire, voire emp\u00eache l\u2019obtention des certifications de conformit\u00e9 industrielles.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u00c0 l'heure actuelle, les trois longueurs d'onde les plus couramment utilis\u00e9es dans le monde pour la t\u00e9l\u00e9m\u00e9trie laser sont 905 nm, 1 064 nm et 1 535 nm. Elles pr\u00e9sentent des diff\u00e9rences significatives en termes de caract\u00e9ristiques optiques, de s\u00e9curit\u00e9, de co\u00fbt et de cas d'utilisation. Il est donc essentiel de choisir la bonne longueur d'onde pour tirer le meilleur parti de votre \u00e9quipement.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h4 id=\"h-i-905nm-semiconductor-laser-cost-effective-choice-for-short-range-within-3-km\" class=\"wp-block-heading\"><strong>I. Laser \u00e0 semi-conducteur de 905 nm : un choix \u00e9conomique pour les courtes distances (jusqu'\u00e0 3 km)<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Caract\u00e9ristiques optiques principales<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tout d'abord, ce laser repose sur une technologie de laser \u00e0 semi-conducteur \u00e9prouv\u00e9e, qui s'appuie sur une cha\u00eene industrielle bien \u00e9tablie. Il se caract\u00e9rise donc par un faible co\u00fbt, un format compact et une faible consommation d'\u00e9nergie.<\/li>\n\n\n\n<li>De plus, il \u00e9met une lumi\u00e8re invisible dans le proche infrarouge et offre une r\u00e9ponse rapide, ce qui le rend adapt\u00e9 aux mesures \u00e0 haute fr\u00e9quence.<\/li>\n\n\n\n<li>Cependant, il subit une att\u00e9nuation atmosph\u00e9rique relativement importante. Par cons\u00e9quent, sa port\u00e9e diminue sensiblement en cas de pluie, de brouillard ou de poussi\u00e8re.<\/li>\n\n\n\n<li>Par ailleurs, la plupart des produits r\u00e9pondent aux crit\u00e8res de s\u00e9curit\u00e9 oculaire de classe 1. Toutefois, une exposition directe \u00e0 une puissance \u00e9lev\u00e9e ou prolong\u00e9e comporte toujours des risques potentiels pour les yeux.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Cas d'utilisation<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette longueur d'onde est utilis\u00e9e pour des applications civiles de courte \u00e0 moyenne port\u00e9e, dans un rayon de 3 km. Parmi celles-ci, on peut citer : l'\u00e9vitement d'obstacles par les drones et la topographie a\u00e9rienne, les syst\u00e8mes d'alerte p\u00e9rim\u00e9trique pour la s\u00e9curit\u00e9 des campus, la pr\u00e9vention des collisions dans l'automatisation industrielle, les t\u00e9l\u00e9m\u00e8tres laser portables et les capteurs pour la maison connect\u00e9e.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Produits SunFlaser associ\u00e9s<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour r\u00e9pondre \u00e0 ces besoins, nous proposons les modules de t\u00e9l\u00e9m\u00e9trie \u00e0 laser puls\u00e9 \u00e0 semi-conducteur de la s\u00e9rie SFA 905 nm, couvrant des port\u00e9es allant de 1 000 m \u00e0 3 000 m :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SFA1000A\/1200A\/1500A :<\/strong>\u00a0Plus pr\u00e9cis\u00e9ment, ces mod\u00e8les se caract\u00e9risent par une conception l\u00e9g\u00e8re et compacte, avec un poids inf\u00e9rieur ou \u00e9gal \u00e0 20 g, ce qui les rend adapt\u00e9s aux petits drones et aux appareils portables.<\/li>\n\n\n\n<li><strong>SFA2500A\/3000A :<\/strong>\u00a0De plus, ces mod\u00e8les \u00e0 port\u00e9e \u00e9tendue atteignent jusqu\u2019\u00e0 3 000 m et permettent de mesurer la p\u00e9n\u00e9tration dans le verre.<\/li>\n\n\n\n<li><strong>S\u00e9rie compl\u00e8te :<\/strong>\u00a0De plus, tous nos mod\u00e8les sont con\u00e7us pour offrir un indice de protection IP67, une r\u00e9sistance aux chocs de 1 000 g et une plage de temp\u00e9rature de fonctionnement \u00e9tendue, allant de -20 \u00b0C \u00e0 +60 \u00b0C. Nous proposons \u00e9galement une cha\u00eene d'outils de d\u00e9veloppement secondaire compl\u00e8te.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h4 id=\"h-ii-1064nm-solid-state-laser-military-grade-long-range-penetration-leader\" class=\"wp-block-heading\"><strong>II. Laser \u00e0 \u00e9tat solide de 1 064 nm : leader dans le domaine de la p\u00e9n\u00e9tration \u00e0 longue port\u00e9e de niveau militaire<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Caract\u00e9ristiques optiques principales<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tout d'abord, ce laser offre une densit\u00e9 d'\u00e9nergie exceptionnelle et une tr\u00e8s grande capacit\u00e9 de p\u00e9n\u00e9tration de l'atmosph\u00e8re, avec une port\u00e9e pouvant atteindre plusieurs dizaines de kilom\u00e8tres.<\/li>\n\n\n\n<li>De plus, il se caract\u00e9rise par une faible divergence du faisceau et une excellente directivit\u00e9.<\/li>\n\n\n\n<li>Cependant, cela pr\u00e9sente un risque tr\u00e8s \u00e9lev\u00e9 pour la vue : le faisceau traverse directement la corn\u00e9e et le cristallin, se focalise sur la r\u00e9tine et provoque des br\u00fblures instantan\u00e9es.<\/li>\n\n\n\n<li>De plus, cette technologie se heurte \u00e0 d'importants obstacles techniques et \u00e0 des processus de fabrication complexes, ce qui rend son co\u00fbt nettement plus \u00e9lev\u00e9 que celui des produits \u00e0 905 nm.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Cas d'utilisation<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette longueur d'onde est principalement utilis\u00e9e dans des domaines militaires et \u00e0 usage sp\u00e9cifique soumis \u00e0 un contr\u00f4le strict. Il s'agit notamment des armes \u00e0 guidage laser, de l'\u00e9clairage de cibles \u00e0 longue port\u00e9e, de la reconnaissance sur le champ de bataille, de la surveillance des fronti\u00e8res et des syst\u00e8mes opto\u00e9lectroniques embarqu\u00e9s sur des navires.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Produits SunFlaser associ\u00e9s<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour ces applications exigeantes, nous proposons les illuminateurs laser de la s\u00e9rie SFC \u00e0 1 064 nm, qui couvrent des port\u00e9es ultra-longues allant de 2,5 km \u00e0 50 km :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u00e9rie SFC-GX :<\/strong>\u00a0Plus pr\u00e9cis\u00e9ment, ce mod\u00e8le de type \u00ab plug-and-play \u00bb prend en charge un \u00e9clairage \u00e0 fr\u00e9quence fondamentale de 20 Hz et offre une pr\u00e9cision de codage \u2264 0,2 \u03bcs.<\/li>\n\n\n\n<li><strong>S\u00e9rie SFC-LY :<\/strong>\u00a0De plus, cette s\u00e9rie se caract\u00e9rise par une conception l\u00e9g\u00e8re (poids \u2264 800 g), int\u00e8gre une technologie de cavit\u00e9 \u00e0 stabilisation thermique dynamique et garantit une stabilit\u00e9 de l'axe optique \u2264 0,03 mrad.<\/li>\n\n\n\n<li><strong>S\u00e9rie SFC-RB :<\/strong>\u00a0De plus, cette s\u00e9rie de produits robustes de qualit\u00e9 militaire est conforme \u00e0 la norme GJB150A et fonctionne de mani\u00e8re fiable dans des conditions de temp\u00e9ratures extr\u00eames, comprises entre -55 \u00b0C et +75 \u00b0C.<\/li>\n\n\n\n<li><strong>Assistance :<\/strong>\u00a0De plus, nous prenons en charge plusieurs modes de codage, notamment les codes \u00e0 fr\u00e9quence pr\u00e9cise, les codes \u00e0 intervalle variable et les codes pseudo-al\u00e9atoires. Nous proposons \u00e9galement des interfaces et des param\u00e8tres de performance personnalisables en fonction des besoins sp\u00e9cifiques.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h4 id=\"h-iii-1535nm-er-glass-laser-ideal-wavelength-for-civilian-long-range-eye-safe-applications\" class=\"wp-block-heading\"><strong>III. Laser Er:Glass \u00e0 1 535 nm : longueur d'onde id\u00e9ale pour les applications civiles \u00e0 longue port\u00e9e sans danger pour les yeux<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Caract\u00e9ristiques optiques principales<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tout d'abord, il s'agit d'une longueur d'onde totalement inoffensive pour les yeux : l'\u00e9nergie laser est enti\u00e8rement absorb\u00e9e par la corn\u00e9e et le cristallin, sans jamais atteindre la r\u00e9tine. Par cons\u00e9quent, elle ne provoque aucun dommage, m\u00eame en cas d'observation directe sans protection.<\/li>\n\n\n\n<li>De plus, son att\u00e9nuation atmosph\u00e9rique est bien inf\u00e9rieure \u00e0 celle de la longueur d'onde de 905 nm. \u00c0 puissance \u00e9gale, sa port\u00e9e est de 3 \u00e0 5 fois sup\u00e9rieure \u00e0 celle de la longueur d'onde de 905 nm.<\/li>\n\n\n\n<li>De plus, il allie une grande pr\u00e9cision \u00e0 une grande fiabilit\u00e9 et offre une excellente r\u00e9sistance aux interf\u00e9rences dans des environnements complexes.<\/li>\n\n\n\n<li>Enfin, cette technologie gagne en maturit\u00e9 et ses co\u00fbts diminuent progressivement, ce qui en fait une solution id\u00e9ale pour la t\u00e9l\u00e9m\u00e9trie civile \u00e0 longue port\u00e9e.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Cas d'utilisation<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette longueur d'onde est donc utilis\u00e9e dans des applications civiles \u00e0 longue port\u00e9e, au-del\u00e0 de 3 km. Parmi celles-ci, on peut citer : la cartographie a\u00e9rienne \u00e0 l'aide de drones de grande taille, l'inspection des lignes \u00e9lectriques, la surveillance des feux de for\u00eat, la localisation lors d'op\u00e9rations de secours d'urgence, les \u00e9quipements de plein air haut de gamme et les syst\u00e8mes opto\u00e9lectroniques embarqu\u00e9s sur des v\u00e9hicules.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Produits SunFlaser associ\u00e9s<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour ces applications, nous proposons les modules de t\u00e9l\u00e9m\u00e9trie laser des s\u00e9ries SFL Micro et SFB \u00e0 1 535 nm, couvrant des port\u00e9es allant de 2,5 km \u00e0 20 km :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u00e9rie SFL Micro :<\/strong>\u00a0Plus pr\u00e9cis\u00e9ment, cette gamme se caract\u00e9rise par une conception extr\u00eamement l\u00e9g\u00e8re, avec un poids pouvant descendre jusqu'\u00e0 34 g, une port\u00e9e allant de 3 km \u00e0 15 km, et convient aux petits drones et aux appareils portables.<\/li>\n\n\n\n<li><strong>S\u00e9rie SFB :<\/strong>\u00a0De plus, cette gamme de produits de qualit\u00e9 industrielle et militaire offre une port\u00e9e allant de 2,5 km \u00e0 20 km et prend en charge les fonctions de mesure de distance multi-cibles et de \u00ab range-gating \u00bb.<\/li>\n\n\n\n<li><strong>S\u00e9rie compl\u00e8te :<\/strong>\u00a0De plus, tous les mod\u00e8les sont certifi\u00e9s \u00ab sans danger pour les yeux \u00bb (classe 1), b\u00e9n\u00e9ficient d'un indice de protection IP67, fonctionnent dans une large plage de temp\u00e9ratures allant de -40 \u00b0C \u00e0 +70 \u00b0C et sont conformes aux normes environnementales MIL-STD-810G.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>In laser ranging technology selection, wavelength is the key factor that determines performance limits, safety levels, and scenario suitability. To begin with, many users focus only on surface parameters such as range and accuracy, while neglecting the underlying impact of wavelength. At best, this leads to drastic range reduction in rainy or foggy conditions and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":11116,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[872,782,796,783,871,771,870],"class_list":["post-11115","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sunflaser-news","tag-1064nmsolidstatelaser","tag-1535nmerglasslaser","tag-905nmsemiconductorlaser","tag-eyesafelaser","tag-laserrangingwavelength","tag-powerlineinspection","tag-uaasurveying"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.8 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Choosing the wrong wavelength for laser ranging? Even the most expensive one won&#039;t help! SunFlaser 905nm, 1064nm, and 1535nm lasers. - SunFlaser Tech<\/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:\/\/sunflaser.com\/fr\/choosing-the-wrong-wavelength-for-laser-ranging-even-the-most-expensive-one-wont-help-sunflaser-905nm-1064nm-and-1535nm-lasers\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Choosing the wrong wavelength for laser ranging? Even the most expensive one won&#039;t help! SunFlaser 905nm, 1064nm, and 1535nm lasers.\" \/>\n<meta property=\"og:description\" content=\"In laser ranging technology selection, wavelength is the key factor that determines performance limits, safety levels, and scenario suitability. To begin with, many users focus only on surface parameters such as range and accuracy, while neglecting the underlying impact of wavelength. At best, this leads to drastic range reduction in rainy or foggy conditions and [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sunflaser.com\/fr\/choosing-the-wrong-wavelength-for-laser-ranging-even-the-most-expensive-one-wont-help-sunflaser-905nm-1064nm-and-1535nm-lasers\/\" \/>\n<meta property=\"og:site_name\" content=\"SunFlaser Tech\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-02T01:17:31+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-02T01:17:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/sunflaser.com\/wp-content\/uploads\/2026\/07\/20260615163249.png\" \/>\n\t<meta property=\"og:image:width\" content=\"862\" \/>\n\t<meta property=\"og:image:height\" content=\"484\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"sunflaser\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"sunflaser\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/sunflaser.com\\\/choosing-the-wrong-wavelength-for-laser-ranging-even-the-most-expensive-one-wont-help-sunflaser-905nm-1064nm-and-1535nm-lasers\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/sunflaser.com\\\/choosing-the-wrong-wavelength-for-laser-ranging-even-the-most-expensive-one-wont-help-sunflaser-905nm-1064nm-and-1535nm-lasers\\\/\"},\"author\":{\"name\":\"sunflaser\",\"@id\":\"https:\\\/\\\/sunflaser.com\\\/#\\\/schema\\\/person\\\/d9e017edef5c9ddaf5bb0ae738398e82\"},\"headline\":\"Choosing the wrong wavelength for laser ranging? Even the most expensive one won&#8217;t help! 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