{"id":4954,"date":"2026-06-19T14:09:17","date_gmt":"2026-06-19T06:09:17","guid":{"rendered":"https:\/\/www.opticalcutting.com\/?p=4954"},"modified":"2026-06-19T14:09:17","modified_gmt":"2026-06-19T06:09:17","slug":"fenetre-znse-rodage-double-face","status":"publish","type":"post","link":"https:\/\/www.opticalcutting.com\/fr\/fenetre-znse-rodage-double-face\/","title":{"rendered":"Fen\u00eatre ZnSe Laponnage Double Face : Processus, Param\u00e8tres et Contr\u00f4le de la Figure de Surface"},"content":{"rendered":"<p>Le rodage double face de fen\u00eatre en ZnSe est l'\u00e9tape de pr\u00e9paration de surface plane qui am\u00e8ne une \u00e9bauche de s\u00e9l\u00e9niure de zinc coup\u00e9e dans la plage de plan\u00e9it\u00e9, de parall\u00e9lisme et de finition de surface requise par les fen\u00eatres laser CO\u2082, les s\u00e9parateurs de faisceau et les couvercles de protection. Ce n'est pas le polissage final \u2014 mais tous les param\u00e8tres en aval, de l'uniformit\u00e9 du rev\u00eatement \u00e0 l'onde transmise, d\u00e9pendent de ce que le rodage laisse derri\u00e8re lui.<\/p>\n\n\n\n<p>Ce guide couvre le flux de travail de rodage pour les fen\u00eatres en ZnSe dans le contexte de la cha\u00eene compl\u00e8te de fabrication d'optiques laser CO\u2082 en ZnSe <a href=\"\/fr\/fabrication-doptiques-laser-co2-en-znse\/\">cha\u00eene de fabrication d'optiques laser CO\u2082 en ZnSe<\/a>: comment le processus diff\u00e8re du polissage, quels param\u00e8tres sont importants pour la plan\u00e9it\u00e9 et le TTV, d'o\u00f9 proviennent les d\u00e9fauts et comment sp\u00e9cifier le rodage pour les s\u00e9ries de production.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"568\" src=\"https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/znse-window-double-sided-lapping-process-1024x568.png\" alt=\"\u00c9quipement de d\u00e9coupe du verre Vimfun\" class=\"wp-image-4955\" title=\"L&#039;\u00e9quipement de d\u00e9coupe du verre de Vimfun est une machine-outil parfaite pour la d\u00e9coupe de pr\u00e9cision.\" srcset=\"https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/znse-window-double-sided-lapping-process-1024x568.png 1024w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/znse-window-double-sided-lapping-process-300x167.png 300w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/znse-window-double-sided-lapping-process-768x426.png 768w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/znse-window-double-sided-lapping-process-1536x853.png 1536w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/znse-window-double-sided-lapping-process-18x10.png 18w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/znse-window-double-sided-lapping-process-600x333.png 600w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/znse-window-double-sided-lapping-process.png 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>Scie \u00e0 c\u00e2ble diamant\u00e9 \u00e0 boucle pour le graphite, le verre optique, etc.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Qu'est-ce que le rodage double face de fen\u00eatre en ZnSe ?<\/h2>\n\n\n\n<p>Le rodage double face de fen\u00eatre en ZnSe est l'enl\u00e8vement abrasif simultan\u00e9 de mati\u00e8re des deux faces d'une \u00e9bauche de fen\u00eatre en s\u00e9l\u00e9niure de zinc pour amener la pi\u00e8ce \u00e0 l'\u00e9paisseur cible, au parall\u00e9lisme et \u00e0 la rugosit\u00e9 de surface de pr\u00e9-polissage. Les deux faces sont travaill\u00e9es en m\u00eame temps sur une machine de rodage double face, la fen\u00eatre \u00e9tant maintenue dans un porte-pi\u00e8ce plan\u00e9taire entre deux meules rotatives charg\u00e9es de suspension diamant\u00e9e.<\/p>\n\n\n\n<p>Deux raisons pour lesquelles le \u201cdouble face\u201d est important pour les fen\u00eatres en ZnSe :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Parall\u00e9lisme<\/strong> \u2014 le rodage d'une seule face accumule une erreur de coin ; le traitement des deux faces en une seule passe de bridage maintient les deux surfaces parall\u00e8les \u00e0 quelques secondes d'arc pr\u00e8s<\/li>\n\n\n\n<li><strong>\u00c9quilibre des contraintes<\/strong> \u2014 le ZnSe est cassant et sensible aux contraintes ; l'enl\u00e8vement de mati\u00e8re \u00e9gale des deux faces \u00e9vite la d\u00e9formation que le traitement d'une seule face introduit<\/li>\n<\/ul>\n\n\n\n<p>Pour les fen\u00eatres laser CO\u2082, le r\u00e9sultat typique du rodage est :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00c9paisseur \u00e0 \u00b10,05 mm du nominal<\/li>\n\n\n\n<li>Parall\u00e9lisme meilleur que 1 minute d'arc<\/li>\n\n\n\n<li>Rugosit\u00e9 de surface Ra 0,3\u20130,6 \u00b5m (selon le grain abrasif final)<\/li>\n\n\n\n<li>TTV (variation totale d'\u00e9paisseur) de 5\u201315 \u00b5m sur des diam\u00e8tres de fen\u00eatre standard<\/li>\n<\/ul>\n\n\n\n<p>Ces chiffres sont le <strong>point de d\u00e9part<\/strong> pour le polissage, pas la sp\u00e9cification de la fen\u00eatre finie.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pourquoi le rodage double face est important pour les fen\u00eatres CO\u2082 ZnSe<\/h2>\n\n\n\n<p>Les fen\u00eatres laser CO\u2082 ont deux surfaces, et le laser traverse les deux. Tout d\u00e9faut d'\u00e9querrage entre les deux faces d\u00e9vie le faisceau. Toute variation d'\u00e9paisseur sur l'ouverture d\u00e9forme le front d'onde transmis. Tout dommage sous-jacent d\u00fb \u00e0 un mauvais rodage se retrouve lors du polissage et se manifeste par de la diffusion dans la pi\u00e8ce finie.<\/p>\n\n\n\n<p>Trois propri\u00e9t\u00e9s du ZnSe dictent les d\u00e9cisions de rodage :<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Propri\u00e9t\u00e9<\/th><th>Implications pour le rodage<\/th><\/tr><\/thead><tbody><tr><td>Duret\u00e9 Knoop ~120 kg\/mm\u00b2<\/td><td>Mat\u00e9riau tendre \u2014 une surpression provoque des piq\u00fbres profondes et l'incrustation de grains<\/td><\/tr><tr><td>Cassant, faible t\u00e9nacit\u00e9 \u00e0 la rupture<\/td><td>Les microfissures s'initient facilement ; la pression et la taille de l'abrasif doivent \u00eatre contr\u00f4l\u00e9es<\/td><\/tr><tr><td>Teneur toxique en s\u00e9l\u00e9nium<\/td><td>Le confinement de la boue et la gestion des d\u00e9chets font partie du processus, pas une option<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>La correction est une <strong>double-face \u00e0 faible pression et \u00e0 abrasion contr\u00f4l\u00e9e<\/strong> \u2014 pas n'importe quel syst\u00e8me de rectification plane. L'\u00e9quipement con\u00e7u pour le rodage g\u00e9n\u00e9ral du verre exerce souvent une pression excessive sur le ZnSe et cr\u00e9e des d\u00e9fauts qui survivent \u00e0 toute la cha\u00eene en aval.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00c9tapes du processus et param\u00e8tres typiques<\/h2>\n\n\n\n<p>Le flux de travail de rodage se d\u00e9roule en trois \u00e9tapes abrasives, chacune r\u00e9duisant \u00e0 la fois la rugosit\u00e9 et les dommages subsurfaciques :<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c9tape 1 : Rodage grossier (aplatissement grossier)<\/h3>\n\n\n\n<p>\u00c9limine les marques de scie de l'op\u00e9ration de coupe en amont et \u00e9tablit la plan\u00e9it\u00e9 initiale. Utilise du diamant li\u00e9 ou libre, g\u00e9n\u00e9ralement un grain de 25 \u00b5m sur des plateaux en fonte.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Param\u00e8tre<\/th><th>Plage typique<\/th><\/tr><\/thead><tbody><tr><td>Abrasif<\/td><td>Diamant, 25 \u00b5m<\/td><\/tr><tr><td>Mat\u00e9riau du plateau<\/td><td>Fonte<\/td><\/tr><tr><td>Pression du plateau<\/td><td>0,5\u20131,5 kPa<\/td><\/tr><tr><td>Rotation du plateau<\/td><td>30\u201360 tr\/min<\/td><\/tr><tr><td>V\u00e9hicule de suspension<\/td><td>\u00c0 base d'eau avec inhibiteur de corrosion<\/td><\/tr><tr><td>Taux d'enl\u00e8vement<\/td><td>5\u201310 \u00b5m\/min par face<\/td><\/tr><tr><td>Sortie Ra<\/td><td>0,8\u20131,5 \u00b5m<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c9tape 2 : Rodage interm\u00e9diaire (affiner la surface)<\/h3>\n\n\n\n<p>Affine la surface et r\u00e9duit les dommages sous-jacents laiss\u00e9s par l'\u00e9tape 1. Le diamant descend \u00e0 9\u201315 \u00b5m.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Param\u00e8tre<\/th><th>Plage typique<\/th><\/tr><\/thead><tbody><tr><td>Abrasif<\/td><td>Diamant, 9\u201315 \u00b5m<\/td><\/tr><tr><td>Mat\u00e9riau du plateau<\/td><td>Fonte ou composite<\/td><\/tr><tr><td>Pression du plateau<\/td><td>0,3\u20130,8 kPa<\/td><\/tr><tr><td>Rotation du plateau<\/td><td>30\u201350 tr\/min<\/td><\/tr><tr><td>Taux d'enl\u00e8vement<\/td><td>1\u20133 \u00b5m\/min par face<\/td><\/tr><tr><td>Sortie Ra<\/td><td>0,4\u20130,8 \u00b5m<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c9tape 3 : Rodage fin (pr\u00e9paration avant polissage)<\/h3>\n\n\n\n<p>Derni\u00e8re \u00e9tape de rodage. Am\u00e8ne la rugosit\u00e9 dans la plage de pr\u00e9-polissage et minimise les dommages sous-jacents que le polissage doit \u00e9liminer.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Param\u00e8tre<\/th><th>Plage typique<\/th><\/tr><\/thead><tbody><tr><td>Abrasif<\/td><td>Diamant, 3\u20136 \u00b5m<\/td><\/tr><tr><td>Mat\u00e9riau du plateau<\/td><td>Composite ou impr\u00e9gn\u00e9 de poix<\/td><\/tr><tr><td>Pression du plateau<\/td><td>0.2\u20130.5 kPa<\/td><\/tr><tr><td>Taux d'enl\u00e8vement<\/td><td>0.3\u20131 \u00b5m\/min per face<\/td><\/tr><tr><td>Sortie Ra<\/td><td>0.3\u20130.6 \u00b5m<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>After Stage 3 the window goes to polishing \u2014 see <a href=\"\/fr\/polissage-doptiques-en-seleniure-de-zinc\/\">Polissage d'optiques en s\u00e9l\u00e9niure de zinc<\/a> for the diamond-and-pitch progression that brings Ra below 10 nm RMS for laser-grade surfaces.<\/p>\n\n\n\n<p>The upstream operation, cutting the ZnSe blank from a CVD ingot, is covered on the <a href=\"\/fr\/machine-de-decoupe-de-lentilles-en-znse\/\">Machine de d\u00e9coupe de lentilles en ZnSe<\/a> page. The whole chain from CVD blank to coated window is summarized on the <a href=\"\/fr\/fabrication-doptiques-laser-co2-en-znse\/\">ZnSe CO\u2082 laser optics manufacturing<\/a> aper\u00e7u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Surface Figure and TTV Specifications<\/h2>\n\n\n\n<p>The two metrics that determine whether a lapped ZnSe window is ready for polishing are surface figure (flatness) and TTV (parallelism).<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Sp\u00e9cifications<\/th><th>Typical Target<\/th><th>Why It Matters<\/th><\/tr><\/thead><tbody><tr><td>Surface figure<\/td><td>\u03bb\/2 P-V at HeNe 633 nm<\/td><td>Sets the maximum figure error polishing has to correct<\/td><\/tr><tr><td>TTV (\u03a650 mm window)<\/td><td>\u2264 10 \u00b5m<\/td><td>Wedge angle between the two faces deflects the beam<\/td><\/tr><tr><td>Parall\u00e9lisme<\/td><td>\u2264 1 arcmin<\/td><td>Same beam-deflection issue, expressed as angle<\/td><\/tr><tr><td>Rugosit\u00e9 de surface Ra<\/td><td>0.3\u20130.6 \u00b5m<\/td><td>Sets the starting point for polishing removal<\/td><\/tr><tr><td>Profondeur des dommages en sous-surface<\/td><td>\u2264 3\u00d7 peak abrasive size<\/td><td>Polishing has to remove all of it<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Material reference: <a href=\"https:\/\/www.coherent.com\/optics\/optical-materials\/zinc-selenide\" target=\"_blank\" rel=\"noreferrer noopener\">II-VI \/ Coherent CVD ZnSe<\/a> et <a href=\"https:\/\/www.edmundoptics.com\/knowledge-center\/application-notes\/optics\/the-correct-material-for-infrared-applications\/\" target=\"_blank\" rel=\"noreferrer noopener\">Edmund Optics IR materials guide<\/a> document the bulk material properties these targets are derived from.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Common Defects and How to Avoid Them<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Why does TTV stay high after the final lapping stage?<\/h3>\n\n\n\n<p>Carrier wear or worn-out laps. The planetary carriers that hold windows during lapping wear over time, and once worn they no longer balance pressure across the lap face. The fix is scheduled carrier replacement on a defined cycle, not after defects appear.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why are pits and scratches showing up after polishing?<\/h3>\n\n\n\n<p>Subsurface damage from over-aggressive lapping. ZnSe is soft. Too much pressure or too coarse an abrasive at Stage 3 leaves micro-pits that the polish cannot remove \u2014 they show up as scatter in the finished window. The fix is dropping pressure and adding a finer intermediate stage rather than trying to compensate at polish.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why does the surface look hazy after lapping?<\/h3>\n\n\n\n<p>Embedded abrasive. When diamond particles get pressed into the soft ZnSe surface and stay there, the surface looks hazy and the next stage cannot pick them out. The fix is slurry concentration control plus mid-cycle ultrasonic cleaning between abrasive stages.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pourquoi la pi\u00e8ce s'\u00e9caille-t-elle sur les bords ?<\/h3>\n\n\n\n<p>Effet de bord d\u00fb aux bords de la pi\u00e8ce non support\u00e9s dans le support. La distribution de pression au bord d'une fen\u00eatre est diff\u00e9rente de celle du centre, et sur un mat\u00e9riau fragile, cette diff\u00e9rence entra\u00eene des \u00e9clats. La solution consiste \u00e0 biseauter les bords de la pi\u00e8ce brute avant le d\u00e9but du rodage, ainsi que des supports dimensionn\u00e9s \u00e0 la pi\u00e8ce plut\u00f4t que surdimensionn\u00e9s.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Rodage vs Polissage du ZnSe : O\u00f9 chacun s'int\u00e8gre dans la cha\u00eene<\/h2>\n\n\n\n<p>Le rodage et le polissage r\u00e9duisent tous deux la rugosit\u00e9 de surface, mais ils le font diff\u00e9remment et produisent des \u00e9tats de surface diff\u00e9rents :<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Propri\u00e9t\u00e9<\/th><th>Rodage<\/th><th>Polissage<\/th><\/tr><\/thead><tbody><tr><td>M\u00e9canisme<\/td><td>Abrasion m\u00e9canique<\/td><td>M\u00e9canique + chimique<\/td><\/tr><tr><td>Sortie Ra<\/td><td>0.3\u20130.6 \u00b5m<\/td><td>&lt; 10 nm RMS<\/td><\/tr><tr><td>Surface figure<\/td><td>\u03bb\/2 P-V<\/td><td>\u03bb\/10 P-V ou mieux<\/td><\/tr><tr><td>Subsurface damage<\/td><td>Pr\u00e9sent, contr\u00f4l\u00e9<\/td><td>Supprim\u00e9<\/td><\/tr><tr><td>Taux d'enl\u00e8vement<\/td><td>Haut<\/td><td>Faible<\/td><\/tr><tr><td>Function<\/td><td>\u00c9tablir l'\u00e9paisseur, la plan\u00e9it\u00e9, le parall\u00e9lisme<\/td><td>Obtenir une surface de qualit\u00e9 laser<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Le rodage g\u00e8re l'enl\u00e8vement de mati\u00e8re en vrac et le contr\u00f4le g\u00e9om\u00e9trique. Le polissage g\u00e8re la qualit\u00e9 de surface et la figure finale. Une fen\u00eatre mal rod\u00e9e ne peut pas \u00eatre sauv\u00e9e par le polissage \u2014 le taux d'enl\u00e8vement du poli est trop lent pour corriger les erreurs de figure qui auraient d\u00fb \u00eatre contr\u00f4l\u00e9es lors du rodage.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"685\" src=\"https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/znse-window-double-sided-lapping-process1-1024x685.png\" alt=\"\u00c9quipement de d\u00e9coupe du verre Vimfun\" class=\"wp-image-4956\" title=\"L&#039;\u00e9quipement de d\u00e9coupe du verre de Vimfun est une machine-outil parfaite pour la d\u00e9coupe de pr\u00e9cision.\" srcset=\"https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/znse-window-double-sided-lapping-process1-1024x685.png 1024w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/znse-window-double-sided-lapping-process1-300x201.png 300w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/znse-window-double-sided-lapping-process1-768x513.png 768w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/znse-window-double-sided-lapping-process1-18x12.png 18w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/znse-window-double-sided-lapping-process1-600x401.png 600w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/znse-window-double-sided-lapping-process1.png 1475w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>Scie \u00e0 c\u00e2ble diamant\u00e9 \u00e0 boucle pour le graphite, le verre optique, etc.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Comment Vimfun soutient les fabricants de fen\u00eatres en ZnSe<\/h2>\n\n\n\n<p>Vimfun fournit l'\u00e9quipement dont les producteurs de fen\u00eatres en ZnSe ont besoin pour la d\u00e9coupe, le rodage, le polissage et la pr\u00e9paration au rev\u00eatement :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Coupe<\/strong> \u2014 <a href=\"\/fr\/machine-de-decoupe-de-lentilles-en-znse\/\">Machine de d\u00e9coupe de lentilles en ZnSe<\/a> configur\u00e9 pour les mat\u00e9riaux II-VI fragiles avec alimentation en fil \u00e0 basse tension et liquide de refroidissement contr\u00f4l\u00e9 en contamination<\/li>\n\n\n\n<li><strong>Polissage<\/strong> \u2014 <a href=\"\/fr\/polissage-doptiques-en-seleniure-de-zinc\/\">Polissage d'optiques en s\u00e9l\u00e9niure de zinc<\/a> syst\u00e8mes adapt\u00e9s aux sp\u00e9cifications de surface de qualit\u00e9 laser<\/li>\n\n\n\n<li><strong>Int\u00e9gration du processus<\/strong> \u2014 l'\u00e9quipement partage des plateformes m\u00e9caniques avec notre <a href=\"\/fr\/equipement-de-fabrication-doptique-infrarouge\/\">\u00e9quipement de fabrication d'optique infrarouge<\/a> ligne, de sorte qu'une cellule de production ZnSe s'adapte au Ge, ZnS, CaF\u2082 et Si sans r\u00e9outillage<\/li>\n<\/ul>\n\n\n\n<p>Si vous construisez une nouvelle ligne de fen\u00eatres ZnSe, que vous augmentez la capacit\u00e9 de production de t\u00eates de coupe laser CO\u2082, ou que vous remplacez un \u00e9quipement qui ne peut pas maintenir une TTV de 10 \u00b5m sur des pi\u00e8ces de \u03a650 mm, envoyez-nous votre g\u00e9om\u00e9trie cible, votre d\u00e9bit et vos sp\u00e9cifications de surface. Nous vous retournerons une proposition configur\u00e9e sous 3 jours ouvrables, incluant des estimations de temps de cycle et des projections de rendement bas\u00e9es sur des installations similaires.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>ZnSe window double sided lapping is the planar surface preparation step that brings a cut zinc selenide blank into the flatness, parallelism, and surface finish range required by CO\u2082 laser windows, beam splitters, and protective covers. It is not the final polish \u2014 but every downstream parameter, from coating uniformity to transmitted wavefront, depends on [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":4955,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[857],"tags":[876,875,853],"class_list":["post-4954","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-by-material","tag-ir-optics-processing","tag-window-lapping","tag-znse"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.opticalcutting.com\/fr\/wp-json\/wp\/v2\/posts\/4954","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.opticalcutting.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.opticalcutting.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.opticalcutting.com\/fr\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.opticalcutting.com\/fr\/wp-json\/wp\/v2\/comments?post=4954"}],"version-history":[{"count":0,"href":"https:\/\/www.opticalcutting.com\/fr\/wp-json\/wp\/v2\/posts\/4954\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.opticalcutting.com\/fr\/wp-json\/wp\/v2\/media\/4955"}],"wp:attachment":[{"href":"https:\/\/www.opticalcutting.com\/fr\/wp-json\/wp\/v2\/media?parent=4954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.opticalcutting.com\/fr\/wp-json\/wp\/v2\/categories?post=4954"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.opticalcutting.com\/fr\/wp-json\/wp\/v2\/tags?post=4954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}