{"id":22258,"date":"2026-07-14T11:45:00","date_gmt":"2026-07-14T17:45:00","guid":{"rendered":"https:\/\/support.epiloglaser.com\/staging\/?p=22258"},"modified":"2026-07-14T11:48:14","modified_gmt":"2026-07-14T17:48:14","slug":"about-the-fiber-laser-source","status":"publish","type":"post","link":"https:\/\/support.epiloglaser.com\/staging\/laser-machine\/fusion-ascent\/manual\/about-the-fiber-laser-source\/","title":{"rendered":"About The Fiber Laser Source"},"content":{"rendered":"<div>\n<p>The fiber laser source generates a laser beam by pumping intense diode light into the end of fiber optic cables that have been doped with ytterbium. The energy from the diode light is absorbed by the ytterbium in the fiber optic cables. The ytterbium then releases the energy in the form of photons that travel down the optic cables. The photons that leave the optic cables create the laser beam. The wavelength of light generated from a fiber laser is 1062 nm.<\/p>\n<p>The fiber laser source generates laser light by pumping intense diode light into fiber optics cables that are doped with the rare-earth element, ytterbium (Yb3+), which is referred to as the medium or gain<br \/>\nmedium. As this diode light energy travels into the fiber optic cable, it energizes the electrons in the<br \/>\nytterbium and the ytterbium electrons go from a ground or stable state, to an excited state.<\/p>\n<p>Essentially, all that is happening in this first step is that the electrons in the medium are absorbing and<br \/>\nstoring the energy that\u2019s coming from the external energy source (diodes). For reference, the CO2 medium<br \/>\nis the CO2 gas in the tube, and the external energy source is RF electrical current. In the fiber laser (and also most YAG lasers these days and YVO lasers) the external energy source is a laser diode.<\/p>\n<p>The electrons in the medium don\u2019t really want to store the external energy they\u2019ve absorbed, so they emit the extra energy by releasing a photon (a quantum packet of light). Once a photon has been emitted by one electron in the medium it stimulates other excited electrons to also emit photons, creating a chain reaction where the absorption and emission of energy is at a constant rate. The photons travel through the optic fibers and some are released through the end of the fibers as the laser beam.<\/p>\n<p>By continually pumping energy into a medium, that medium tries to shed the excess energy by emitting<br \/>\nphotons. The type of medium is important because different mediums absorb different types of energy<br \/>\n(for instance, a CO2 gas medium is not going to absorb the energy from a diode in a way that will make<br \/>\nthe CO2 gas lase). Different mediums also emit different wavelengths of photons, and hence, the different properties of different wavelength lasers.<\/p>\n<\/div>\n<p><!--more--><br \/>\n<!-- {\"type\":\"layout\",\"children\":[{\"type\":\"section\",\"props\":{\"image_position\":\"center-center\",\"style\":\"default\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"middle\",\"width\":\"default\"},\"children\":[{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\"},\"children\":[{\"type\":\"html\",\"props\":{\"content\":\"\n\n<p>The fiber laser source generates a laser beam by pumping intense diode light into the end of fiber optic cables that have been doped with ytterbium. The energy from the diode light is absorbed by the ytterbium in the fiber optic cables. The ytterbium then releases the energy in the form of photons that travel down the optic cables. The photons that leave the optic cables create the laser beam. The wavelength of light generated from a fiber laser is 1062 nm.<\/p>\n\n\\n\\n\n\n<p>The fiber laser source generates laser light by pumping intense diode light into fiber optics cables that are doped with the rare-earth element, ytterbium (Yb3+), which is referred to as the medium or gain\\nmedium. As this diode light energy travels into the fiber optic cable, it energizes the electrons in the\\nytterbium and the ytterbium electrons go from a ground or stable state, to an excited state.<\/p>\n\n\\n\\n\n\n<p>Essentially, all that is happening in this first step is that the electrons in the medium are absorbing and\\nstoring the energy that\u2019s coming from the external energy source (diodes). For reference, the CO2 medium\\nis the CO2 gas in the tube, and the external energy source is RF electrical current. In the fiber laser (and also most YAG lasers these days and YVO lasers) the external energy source is a laser diode.<\/p>\n\n\\n\\n    \n\n<p>The electrons in the medium don\u2019t really want to store the external energy they\u2019ve absorbed, so they emit the extra energy by releasing a photon (a quantum packet of light). Once a photon has been emitted by one electron in the medium it stimulates other excited electrons to also emit photons, creating a chain reaction where the absorption and emission of energy is at a constant rate. The photons travel through the optic fibers and some are released through the end of the fibers as the laser beam.<\/p>\n\n\\n\\n\n\n<p>By continually pumping energy into a medium, that medium tries to shed the excess energy by emitting\\nphotons. The type of medium is important because different mediums absorb different types of energy\\n(for instance, a CO2 gas medium is not going to absorb the energy from a diode in a way that will make\\nthe CO2 gas lase). Different mediums also emit different wavelengths of photons, and hence, the different properties of different wavelength lasers.<\/p>\n\n\"}}]}]}]}],\"version\":\"5.0.35\"} --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The fiber laser source generates a laser beam by pumping intense diode light into the end of fiber optic cables that have been doped with ytterbium. The energy from the diode light is absorbed by the ytterbium in the fiber optic cables. The ytterbium then releases the energy in the form of photons that travel [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[578,587],"tags":[],"laser_machine":[575],"post_folder":[],"class_list":["post-22258","post","type-post","status-publish","format-standard","hentry","category-manual","category-specifications","laser_machine-fusion-ascent"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>About The Fiber Laser Source - Epilog Support Center<\/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:\/\/support.epiloglaser.com\/staging\/laser-machine\/fusion-ascent\/manual\/about-the-fiber-laser-source\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"About The Fiber Laser Source\" \/>\n<meta property=\"og:description\" content=\"The fiber laser source generates a laser beam by pumping intense diode light into the end of fiber optic cables that have been doped with ytterbium. The energy from the diode light is absorbed by the ytterbium in the fiber optic cables. The ytterbium then releases the energy in the form of photons that travel [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/support.epiloglaser.com\/staging\/laser-machine\/fusion-ascent\/manual\/about-the-fiber-laser-source\/\" \/>\n<meta property=\"og:site_name\" content=\"Epilog Support Center\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/epiloglaser\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-14T17:45:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-14T17:48:14+00:00\" \/>\n<meta name=\"author\" content=\"Billy\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@epiloglaser\" \/>\n<meta name=\"twitter:site\" content=\"@epiloglaser\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Billy\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/laser-machine\\\/fusion-ascent\\\/manual\\\/about-the-fiber-laser-source\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/laser-machine\\\/fusion-ascent\\\/manual\\\/about-the-fiber-laser-source\\\/\"},\"author\":{\"name\":\"Billy\",\"@id\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/#\\\/schema\\\/person\\\/62709b908d1b2e3cef3756c590032c9b\"},\"headline\":\"About The Fiber Laser Source\",\"datePublished\":\"2026-07-14T17:45:00+00:00\",\"dateModified\":\"2026-07-14T17:48:14+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/laser-machine\\\/fusion-ascent\\\/manual\\\/about-the-fiber-laser-source\\\/\"},\"wordCount\":393,\"publisher\":{\"@id\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/#organization\"},\"articleSection\":[\"Manual\",\"Specifications\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/laser-machine\\\/fusion-ascent\\\/manual\\\/about-the-fiber-laser-source\\\/\",\"url\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/laser-machine\\\/fusion-ascent\\\/manual\\\/about-the-fiber-laser-source\\\/\",\"name\":\"About The Fiber Laser Source - Epilog Support Center\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/#website\"},\"datePublished\":\"2026-07-14T17:45:00+00:00\",\"dateModified\":\"2026-07-14T17:48:14+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/laser-machine\\\/fusion-ascent\\\/manual\\\/about-the-fiber-laser-source\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/laser-machine\\\/fusion-ascent\\\/manual\\\/about-the-fiber-laser-source\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/laser-machine\\\/fusion-ascent\\\/manual\\\/about-the-fiber-laser-source\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"About The Fiber Laser Source\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/#website\",\"url\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/\",\"name\":\"Epilog Support Center\",\"description\":\"Imagine. Design. Create.\",\"publisher\":{\"@id\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/#organization\",\"name\":\"Epilog Laser\",\"url\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/wp-content\\\/uploads\\\/epilog-logo.png\",\"contentUrl\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/wp-content\\\/uploads\\\/epilog-logo.png\",\"width\":215,\"height\":46,\"caption\":\"Epilog Laser\"},\"image\":{\"@id\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/epiloglaser\",\"https:\\\/\\\/x.com\\\/epiloglaser\",\"https:\\\/\\\/www.instagram.com\\\/epiloglaser\\\/\",\"https:\\\/\\\/www.youtube.com\\\/@epiloglaser\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/epilog\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/#\\\/schema\\\/person\\\/62709b908d1b2e3cef3756c590032c9b\",\"name\":\"Billy\",\"sameAs\":[\"https:\\\/\\\/support.epiloglaser.com\\\/staging\"],\"url\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/laser-machine\\\/author\\\/kbtest\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"About The Fiber Laser Source - Epilog Support Center","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/support.epiloglaser.com\/staging\/laser-machine\/fusion-ascent\/manual\/about-the-fiber-laser-source\/","og_locale":"en_US","og_type":"article","og_title":"About The Fiber Laser Source","og_description":"The fiber laser source generates a laser beam by pumping intense diode light into the end of fiber optic cables that have been doped with ytterbium. The energy from the diode light is absorbed by the ytterbium in the fiber optic cables. The ytterbium then releases the energy in the form of photons that travel [&hellip;]","og_url":"https:\/\/support.epiloglaser.com\/staging\/laser-machine\/fusion-ascent\/manual\/about-the-fiber-laser-source\/","og_site_name":"Epilog Support Center","article_publisher":"https:\/\/www.facebook.com\/epiloglaser","article_published_time":"2026-07-14T17:45:00+00:00","article_modified_time":"2026-07-14T17:48:14+00:00","author":"Billy","twitter_card":"summary_large_image","twitter_creator":"@epiloglaser","twitter_site":"@epiloglaser","twitter_misc":{"Written by":"Billy","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/support.epiloglaser.com\/staging\/laser-machine\/fusion-ascent\/manual\/about-the-fiber-laser-source\/#article","isPartOf":{"@id":"https:\/\/support.epiloglaser.com\/staging\/laser-machine\/fusion-ascent\/manual\/about-the-fiber-laser-source\/"},"author":{"name":"Billy","@id":"https:\/\/support.epiloglaser.com\/staging\/#\/schema\/person\/62709b908d1b2e3cef3756c590032c9b"},"headline":"About The Fiber Laser Source","datePublished":"2026-07-14T17:45:00+00:00","dateModified":"2026-07-14T17:48:14+00:00","mainEntityOfPage":{"@id":"https:\/\/support.epiloglaser.com\/staging\/laser-machine\/fusion-ascent\/manual\/about-the-fiber-laser-source\/"},"wordCount":393,"publisher":{"@id":"https:\/\/support.epiloglaser.com\/staging\/#organization"},"articleSection":["Manual","Specifications"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/support.epiloglaser.com\/staging\/laser-machine\/fusion-ascent\/manual\/about-the-fiber-laser-source\/","url":"https:\/\/support.epiloglaser.com\/staging\/laser-machine\/fusion-ascent\/manual\/about-the-fiber-laser-source\/","name":"About The Fiber Laser Source - Epilog Support Center","isPartOf":{"@id":"https:\/\/support.epiloglaser.com\/staging\/#website"},"datePublished":"2026-07-14T17:45:00+00:00","dateModified":"2026-07-14T17:48:14+00:00","breadcrumb":{"@id":"https:\/\/support.epiloglaser.com\/staging\/laser-machine\/fusion-ascent\/manual\/about-the-fiber-laser-source\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/support.epiloglaser.com\/staging\/laser-machine\/fusion-ascent\/manual\/about-the-fiber-laser-source\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/support.epiloglaser.com\/staging\/laser-machine\/fusion-ascent\/manual\/about-the-fiber-laser-source\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/support.epiloglaser.com\/staging\/"},{"@type":"ListItem","position":2,"name":"About The Fiber Laser Source"}]},{"@type":"WebSite","@id":"https:\/\/support.epiloglaser.com\/staging\/#website","url":"https:\/\/support.epiloglaser.com\/staging\/","name":"Epilog Support Center","description":"Imagine. Design. Create.","publisher":{"@id":"https:\/\/support.epiloglaser.com\/staging\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/support.epiloglaser.com\/staging\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/support.epiloglaser.com\/staging\/#organization","name":"Epilog Laser","url":"https:\/\/support.epiloglaser.com\/staging\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/support.epiloglaser.com\/staging\/#\/schema\/logo\/image\/","url":"https:\/\/support.epiloglaser.com\/staging\/wp-content\/uploads\/epilog-logo.png","contentUrl":"https:\/\/support.epiloglaser.com\/staging\/wp-content\/uploads\/epilog-logo.png","width":215,"height":46,"caption":"Epilog Laser"},"image":{"@id":"https:\/\/support.epiloglaser.com\/staging\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/epiloglaser","https:\/\/x.com\/epiloglaser","https:\/\/www.instagram.com\/epiloglaser\/","https:\/\/www.youtube.com\/@epiloglaser","https:\/\/www.linkedin.com\/company\/epilog"]},{"@type":"Person","@id":"https:\/\/support.epiloglaser.com\/staging\/#\/schema\/person\/62709b908d1b2e3cef3756c590032c9b","name":"Billy","sameAs":["https:\/\/support.epiloglaser.com\/staging"],"url":"https:\/\/support.epiloglaser.com\/staging\/laser-machine\/author\/kbtest\/"}]}},"_links":{"self":[{"href":"https:\/\/support.epiloglaser.com\/staging\/wp-json\/wp\/v2\/posts\/22258","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/support.epiloglaser.com\/staging\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/support.epiloglaser.com\/staging\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/support.epiloglaser.com\/staging\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/support.epiloglaser.com\/staging\/wp-json\/wp\/v2\/comments?post=22258"}],"version-history":[{"count":2,"href":"https:\/\/support.epiloglaser.com\/staging\/wp-json\/wp\/v2\/posts\/22258\/revisions"}],"predecessor-version":[{"id":22260,"href":"https:\/\/support.epiloglaser.com\/staging\/wp-json\/wp\/v2\/posts\/22258\/revisions\/22260"}],"wp:attachment":[{"href":"https:\/\/support.epiloglaser.com\/staging\/wp-json\/wp\/v2\/media?parent=22258"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/support.epiloglaser.com\/staging\/wp-json\/wp\/v2\/categories?post=22258"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/support.epiloglaser.com\/staging\/wp-json\/wp\/v2\/tags?post=22258"},{"taxonomy":"laser_machine","embeddable":true,"href":"https:\/\/support.epiloglaser.com\/staging\/wp-json\/wp\/v2\/laser_machine?post=22258"},{"taxonomy":"post_folder","embeddable":true,"href":"https:\/\/support.epiloglaser.com\/staging\/wp-json\/wp\/v2\/post_folder?post=22258"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}