{"id":331,"date":"2025-08-12T08:12:03","date_gmt":"2025-08-12T08:12:03","guid":{"rendered":"https:\/\/feijulaser.com\/?p=331"},"modified":"2025-08-20T02:38:26","modified_gmt":"2025-08-20T02:38:26","slug":"what-is-a-co2-laser-tube","status":"publish","type":"post","link":"https:\/\/feijulaser.com\/ru\/blog\/what-is-a-co2-laser-tube\/","title":{"rendered":"\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u043b\u0430\u0437\u0435\u0440\u043d\u0430\u044f \u0442\u0440\u0443\u0431\u043a\u0430 CO2?"},"content":{"rendered":"<p data-start=\"29\" data-end=\"463\">A <strong data-start=\"31\" data-end=\"49\">CO\u2082 laser tube<\/strong> is a sealed glass discharge tube that generates infrared light at <strong data-start=\"116\" data-end=\"127\">10,6 \u043c\u043a\u043c<\/strong>. It\u2019s the heart of many desktop and industrial laser machines used for <strong data-start=\"199\" data-end=\"234\">non-metal cutting and engraving<\/strong>. Typical materials include <strong data-start=\"262\" data-end=\"319\">acrylic (PMMA), wood\/MDF, leather, paperboard, rubber<\/strong> and some coated plastics. Compared with diode or fiber lasers, a glass CO\u2082 tube offers a smooth beam for wide work areas at an attractive cost.<\/p>\n<h2 data-start=\"465\" data-end=\"480\">How it works<\/h2>\n<p data-start=\"481\" data-end=\"960\">Inside the tube is a gas mixture\u2014primarily <strong data-start=\"524\" data-end=\"563\">carbon dioxide, nitrogen and helium<\/strong>. When a high-voltage <strong data-start=\"585\" data-end=\"607\">\u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a \u043f\u0438\u0442\u0430\u043d\u0438\u044f \u043b\u0430\u0437\u0435\u0440\u0430<\/strong> excites the gas, nitrogen transfers energy to CO\u2082 molecules, which then emit photons. Two mirrors form a resonator: a <strong data-start=\"726\" data-end=\"752\">high-reflective mirror<\/strong> on one end and a <strong data-start=\"770\" data-end=\"807\">partial-reflective output coupler<\/strong> on the other. The amplified light exits as a laser beam, is steered by <strong data-start=\"879\" data-end=\"896\">Si\/Mo mirrors<\/strong>, and focused by a <strong data-start=\"915\" data-end=\"928\">ZnSe lens<\/strong> to cut or engrave the material.<\/p>\n<h2 data-start=\"962\" data-end=\"979\">Key components<\/h2>\n<ul data-start=\"980\" data-end=\"1276\">\n<li data-start=\"980\" data-end=\"1054\">\n<p data-start=\"982\" data-end=\"1054\"><strong data-start=\"982\" data-end=\"1000\">Glass envelope<\/strong> with water jacket for closed-loop <strong data-start=\"1035\" data-end=\"1052\">\u0432\u043e\u0434\u044f\u043d\u043e\u0435 \u043e\u0445\u043b\u0430\u0436\u0434\u0435\u043d\u0438\u0435<\/strong><\/p>\n<\/li>\n<li data-start=\"1055\" data-end=\"1100\">\n<p data-start=\"1057\" data-end=\"1100\"><strong data-start=\"1057\" data-end=\"1071\">Electrodes<\/strong> and high-voltage terminals<\/p>\n<\/li>\n<li data-start=\"1101\" data-end=\"1152\">\n<p data-start=\"1103\" data-end=\"1152\"><strong data-start=\"1103\" data-end=\"1115\">Gas fill<\/strong> (CO\u2082\/N\u2082\/He) sealed at low pressure<\/p>\n<\/li>\n<li data-start=\"1153\" data-end=\"1218\">\n<p data-start=\"1155\" data-end=\"1218\"><strong data-start=\"1155\" data-end=\"1176\">Resonator mirrors<\/strong> (HR &amp; OC) precisely aligned in the tube<\/p>\n<\/li>\n<li data-start=\"1219\" data-end=\"1276\">\n<p data-start=\"1221\" data-end=\"1276\"><strong data-start=\"1221\" data-end=\"1254\">Mounts and alignment fixtures<\/strong> for easy installation<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"1278\" data-end=\"1306\">Power, size, and lifetime<\/h2>\n<p data-start=\"1307\" data-end=\"1631\">Most hobby and light-industrial machines use tubes from <strong data-start=\"1363\" data-end=\"1375\">30\u2013200 W<\/strong>; higher power generally means a longer tube. Quality tubes deliver a stable beam and maintain power over time. Depending on build quality, cooling, and operating current, lifetime typically ranges from <strong data-start=\"1578\" data-end=\"1600\">3,000\u201310,000 hours<\/strong> (and more for premium models).<\/p>\n<h2 data-start=\"1633\" data-end=\"1652\">What can it cut?<\/h2>\n<p data-start=\"1653\" data-end=\"1970\">CO\u2082 laser tubes excel at <strong data-start=\"1678\" data-end=\"1691\">non-metal<\/strong> materials: acrylic signs, light-box panels, wooden displays, leather goods, packaging, gaskets, stamps, and more. They <strong data-start=\"1811\" data-end=\"1837\">do not cut bare metals<\/strong> effectively; for metals, fiber or specialized CO\u2082 metal systems are used. However, marking on coated or anodized surfaces is common.<\/p>\n<h2 data-start=\"1972\" data-end=\"2006\">Installation &amp; maintenance tips<\/h2>\n<ul data-start=\"2007\" data-end=\"2412\">\n<li data-start=\"2007\" data-end=\"2107\">\n<p data-start=\"2009\" data-end=\"2107\">Use <strong data-start=\"2013\" data-end=\"2032\">distilled water<\/strong> at <strong data-start=\"2036\" data-end=\"2048\">15\u201325 \u00b0C<\/strong> with adequate flow; never fire the tube without cooling.<\/p>\n<\/li>\n<li data-start=\"2108\" data-end=\"2202\">\n<p data-start=\"2110\" data-end=\"2202\">Keep mirrors and the focusing lens <strong data-start=\"2145\" data-end=\"2154\">clean<\/strong>; avoid smoke buildup with proper ventilation.<\/p>\n<\/li>\n<li data-start=\"2203\" data-end=\"2274\">\n<p data-start=\"2205\" data-end=\"2274\">Align the optical path after moving the machine or replacing parts.<\/p>\n<\/li>\n<li data-start=\"2275\" data-end=\"2345\">\n<p data-start=\"2277\" data-end=\"2345\">Run within the recommended <strong data-start=\"2304\" data-end=\"2315\">current<\/strong>; overdriving shortens life.<\/p>\n<\/li>\n<li data-start=\"2346\" data-end=\"2412\">\n<p data-start=\"2348\" data-end=\"2412\">Ensure a <strong data-start=\"2357\" data-end=\"2375\">dry, dust-free<\/strong> environment and stable power supply.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"2414\" data-end=\"2429\">Safety first<\/h2>\n<p data-start=\"2430\" data-end=\"2623\">CO\u2082 lasers emit <strong data-start=\"2446\" data-end=\"2468\">invisible infrared<\/strong>. Enclosures, interlocks, correct eyewear for 10.6 \u03bcm, and fume extraction are essential. Follow local regulations for laser safety and exhaust filtration.<\/p>\n<h2 data-start=\"2625\" data-end=\"2658\">How to choose a CO\u2082 laser tube<\/h2>\n<p data-start=\"2659\" data-end=\"2711\">Match the tube to your working area and materials:<\/p>\n<ul data-start=\"2712\" data-end=\"3002\">\n<li data-start=\"2712\" data-end=\"2763\">\n<p data-start=\"2714\" data-end=\"2763\"><strong data-start=\"2714\" data-end=\"2732\">Power &amp; length<\/strong> compatible with your machine<\/p>\n<\/li>\n<li data-start=\"2764\" data-end=\"2813\">\n<p data-start=\"2766\" data-end=\"2813\"><strong data-start=\"2766\" data-end=\"2783\">Stable output<\/strong> and consistent spot quality<\/p>\n<\/li>\n<li data-start=\"2814\" data-end=\"2864\">\n<p data-start=\"2816\" data-end=\"2864\"><strong data-start=\"2816\" data-end=\"2837\">Energy efficiency<\/strong> and cooling requirements<\/p>\n<\/li>\n<li data-start=\"2865\" data-end=\"2947\">\n<p data-start=\"2867\" data-end=\"2947\"><strong data-start=\"2867\" data-end=\"2906\">Warranty, support, and availability<\/strong> of mirrors, lenses, and power supplies<\/p>\n<\/li>\n<li data-start=\"2948\" data-end=\"3002\">\n<p data-start=\"2950\" data-end=\"3002\"><strong data-start=\"2950\" data-end=\"2969\">OEM\/ODM options<\/strong> if you build or upgrade machines<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3004\" data-end=\"3172\" data-is-last-node=\"\" data-is-only-node=\"\">Have questions about sizing, compatibility, or upgrades? <a href=\"https:\/\/feijulaser.com\/ru\/contact-us\/\"><strong data-start=\"3061\" data-end=\"3075\">Contact us<\/strong><\/a> and our application team will recommend a tube model and starting parameters for your materials.<\/p>","protected":false},"excerpt":{"rendered":"<p>A CO\u2082 laser tube is a sealed glass discharge tube that generates infrared light at 10.6 \u03bcm. It\u2019s the heart of many desktop and industrial laser machines used for non-metal cutting and engraving. Typical materials include acrylic (PMMA), wood\/MDF, leather, paperboard, rubber and some coated plastics. Compared with diode or fiber lasers, a glass CO\u2082 [&hellip;]<\/p>","protected":false},"author":1,"featured_media":241,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[],"class_list":["post-331","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/feijulaser.com\/ru\/wp-json\/wp\/v2\/posts\/331","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feijulaser.com\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/feijulaser.com\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/feijulaser.com\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/feijulaser.com\/ru\/wp-json\/wp\/v2\/comments?post=331"}],"version-history":[{"count":0,"href":"https:\/\/feijulaser.com\/ru\/wp-json\/wp\/v2\/posts\/331\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feijulaser.com\/ru\/wp-json\/wp\/v2\/media\/241"}],"wp:attachment":[{"href":"https:\/\/feijulaser.com\/ru\/wp-json\/wp\/v2\/media?parent=331"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feijulaser.com\/ru\/wp-json\/wp\/v2\/categories?post=331"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feijulaser.com\/ru\/wp-json\/wp\/v2\/tags?post=331"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}