{"id":5421,"date":"2018-11-21T21:53:43","date_gmt":"2018-11-21T21:53:43","guid":{"rendered":"http:\/\/www.megaflex.cz\/lasery\/sk\/?page_id=5421"},"modified":"2023-07-03T11:29:50","modified_gmt":"2023-07-03T09:29:50","slug":"zaklady-laserovych-technologii","status":"publish","type":"page","link":"https:\/\/www.megaflex.cz\/lasery\/sk\/vedomosti\/zaklady-laserovych-technologii\/","title":{"rendered":"Z\u00e1klady laserov\u00fdch technol\u00f3gi\u00ed"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"5421\" class=\"elementor elementor-5421 elementor-1592\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6438e6a8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6438e6a8\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4378dd28\" data-id=\"4378dd28\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7bb96470 elementor-widget elementor-widget-image\" data-id=\"7bb96470\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.17.0 - 25-10-2023 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"320\" src=\"https:\/\/www.megaflex.cz\/lasery\/files\/2015\/06\/laser-spectrum-1024x410.png\" class=\"attachment-large size-large wp-image-10583\" alt=\"\" srcset=\"https:\/\/www.megaflex.cz\/lasery\/files\/2015\/06\/laser-spectrum-1024x410.png 1024w, https:\/\/www.megaflex.cz\/lasery\/files\/2015\/06\/laser-spectrum-300x120.png 300w, https:\/\/www.megaflex.cz\/lasery\/files\/2015\/06\/laser-spectrum.png 1300w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4440aea2 h2_style elementor-widget elementor-widget-text-editor\" data-id=\"4440aea2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.17.0 - 25-10-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<h2>\u010co znamen\u00e1 &#8222;LASER&#8220;<\/h2><p>&#8222;LASER&#8220; je akronym z anglick\u00e9ho&#8220;<strong>L<\/strong>ight <strong>A<\/strong>mplification by <strong>S<\/strong>timulated <strong>E<\/strong>mission of <strong>R<\/strong>adiation&#8220;, slovensky : zosil\u0148ovanie svetla stimulovanou emisiou \u017eiarenia. Lasery zosil\u0148uj\u00fa svetlo absorbovan\u00edm a vy\u017earovan\u00edm energie. Zdrojom energie, ktor\u00fdm m\u00f4\u017ee by\u0165 napr\u00edklad v\u00fdbojka alebo di\u00f3da ich do akt\u00edvneho prostredia dod\u00e1va (&#8222;pumpovan\u00e1&#8220;) energia. Akt\u00edvnym prostred\u00edm m\u00f4\u017ee by\u0165 napr\u00edklad ty\u010d kry\u0161t\u00e1lu u pevnol\u00e1tkov\u00fdch alebo zmes plynov pri plynov\u00fdch laserov. Dodan\u00e1 energia energeticky vybud\u00ed elektr\u00f3ny akt\u00edvneho prostredia zo z\u00e1kladnej energetickej hladiny do vy\u0161\u0161ej energetickej hladiny a t\u00fdm d\u00f4jde k tzv. excit\u00e1cii. Takto je do vy\u0161\u0161\u00edch energetick\u00fdch stavov vybuden\u00e1 v\u00e4\u010d\u0161ina elektr\u00f3nov akt\u00edvneho prostredia a vznik\u00e1 tzv. inverzia popul\u00e1cie. Pri op\u00e4tovnom prestupe elektr\u00f3nu na ni\u017e\u0161iu energetick\u00fa hladinu d\u00f4jde k vy\u017eiareniu (emisii) kvant\u00e1 energie vo forme fot\u00f3nov. Tieto fot\u00f3ny n\u00e1sledne interaguj\u00fa s \u010fal\u0161\u00edmi elektr\u00f3ny inverznej popul\u00e1cie, \u010d\u00edm sp\u00fa\u0161\u0165aj\u00fa tzv. stimulovan\u00fa emisiu fot\u00f3nov s rovnakou frekvenciou a f\u00e1zou aj u nich. Akt\u00edvne prostredie je uzavret\u00e9 v tzv. rezonatory, tvoren\u00e9ho napr. zrkadlami. V \u0148om doch\u00e1dza k odrazu fot\u00f3nov a ich op\u00e4tovn\u00e9mu priechodu akt\u00edvnym prostred\u00edm. To \u010falej podporuje stimulovan\u00fa emisiu a doch\u00e1dza k zosil\u0148ovaniu toku fot\u00f3nov. V\u00fdsledn\u00fd sveteln\u00fd l\u00fa\u010d potom op\u00fa\u0161\u0165a rezon\u00e1tor polopriepustn\u00fdm zrkadlom.<\/p><h2>Vlastnosti laserov\u00e9ho l\u00fa\u010da<\/h2><p>Z\u00e1kladn\u00fdmi vlastnos\u0165ami laserov\u00e9ho l\u00fa\u010da s\u00fa :<\/p><ul><li>monochromati\u010dnos\u0165 &#8211; jedna vlnov\u00e1 d\u013a\u017eka<\/li><li>koherentnos\u0165 &#8211; sveteln\u00e9 vlny nie s\u00fa proti sebe posunut\u00e9, s\u00fa vo f\u00e1ze<\/li><li>mal\u00e1 divergencia &#8211; l\u00fa\u010d vyslan\u00fd na Mesiac bude ma\u0165 na jeho povrchu priemer 25 cm !<\/li><\/ul><p>Laserov\u00fd l\u00fa\u010d m\u00f4\u017ee by\u0165 zaostren\u00fd pomocou s\u00fastre\u010fovacej \u0161o\u0161ovky. Extr\u00e9mne vysok\u00e1 hustota energie je s\u00fastreden\u00e1 v ohnisku a m\u00f4\u017ee by\u0165 pou\u017eit\u00e1 pre tavenie alebo odparenie materi\u00e1lu. Okrem toho, s pou\u017eit\u00edm vhodnej optiky (zrkadiel), laserov\u00e9 svetlo mo\u017eno smerova\u0165 a odrazi\u0165, a to \u00faplne bez ak\u00fdchko\u013evek str\u00e1t aj na ve\u013ek\u00e9 vzdialenosti. K navedeniu laserov\u00e9ho l\u00fa\u010da na pracovn\u00fa plochu laseru sa pou\u017e\u00edvaj\u00fa lasery s pohyblivou hlavou (flat bed alebo tie\u017e port\u00e1lov\u00e9) alebo priemyseln\u00e9 lasery so skenerovou hlavou a galvanometrick\u00fd sklopen\u00fdmi zrkadlami. Laserov\u00fd l\u00fa\u010d sa tak st\u00e1va univerz\u00e1lnym n\u00e1strojom, ktor\u00fd sa neopotrebov\u00e1va a nikdy sa neotup\u00ed.<\/p><h2>R\u00f4zne lasery pre r\u00f4zne aplik\u00e1cie<\/h2><p>Be\u017ene pou\u017e\u00edvan\u00e9 lasery s\u00fa uzavret\u00e9 (&#8222;sealed-off&#8220;) plynov\u00e9 CO2 lasery a pevnol\u00e1tkov\u00e9 vl\u00e1knov\u00e9 lasery. Obidva typy pracuj\u00fa ekonomicky a maj\u00fa dlh\u00fa \u017eivotnos\u0165. CO2 lasery s\u00fa pou\u017eite\u013en\u00e9 takmer na v\u0161etky materi\u00e1ly s v\u00fdnimkou kovov a mo\u017eno ich pou\u017ei\u0165 ako pre grav\u00edrovanie tak i pre rezanie. Vl\u00e1knov\u00e9 lasery s\u00fa vhodn\u00e9 pre zna\u010denie a grav\u00edrovanie kovov a zmenu farby u plastov. Navy\u0161e s laserov\u00fdmi syst\u00e9mami Trotec Speedy Flexx, jedin\u00fdmi grav\u00edrovac\u00edmi zariadeniami, ktor\u00e9 kombinuj\u00fa obe technol\u00f3gie a umo\u017e\u0148uj\u00fa pou\u017ei\u0165 oba laserov\u00e9 zdroje v jednej \u00falohe, m\u00f4\u017eete kombinova\u0165 v\u0161etky aplik\u00e1cie (grav\u00edrovanie, zna\u010denie a rezanie) rovnako efekt\u00edvne.<\/p><p>Kliknite pre viac inform\u00e1ci\u00ed : <a href=\"https:\/\/www.megaflex.cz\/lasery\/sk\/lasery-stroje-pre-gravirovanie-rezanie-a-popis\/\">Typy laserov<\/a><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-78ec975 elementor-hidden-tablet elementor-hidden-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"78ec975\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-24877b8c\" data-id=\"24877b8c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4987044 elementor-widget elementor-widget-heading\" data-id=\"4987044\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.17.0 - 25-10-2023 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h3 class=\"elementor-heading-title elementor-size-default\">\u010eal\u0161ie vlastnosti<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6a0ba4ea elementor-hidden-mobile elementor-widget elementor-widget-jet-mega-menu\" data-id=\"6a0ba4ea\" data-element_type=\"widget\" data-widget_type=\"jet-mega-menu.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div class=\"menu-vedomosti-container\"><div class=\"jet-menu-container\"><div class=\"jet-menu-inner\"><ul class=\"jet-menu jet-menu--animation-type-move-down jet-menu--roll-up\"><li id=\"jet-menu-item-17661\" class=\"jet-menu-item jet-menu-item-type-custom jet-menu-item-object-custom jet-has-roll-up jet-simple-menu-item jet-regular-item jet-menu-item-17661\"><a href=\"https:\/\/megaflex.cz\/lasery\/sk\/vedomosti\/porovnanie-dostupnych-typov-laserov\/\" class=\"top-level-link\" target=\"_blank\" rel=\"noopener\"><div class=\"jet-menu-item-wrapper\"><div class=\"jet-menu-title\">Porovnanie dostupn\u00fdch typov laserov<\/div><\/div><\/a><\/li>\n<li id=\"jet-menu-item-17662\" class=\"jet-menu-item jet-menu-item-type-custom jet-menu-item-object-custom jet-has-roll-up jet-simple-menu-item jet-regular-item jet-menu-item-17662\"><a href=\"https:\/\/megaflex.cz\/lasery\/sk\/vedomosti\/zaklady-laserovych-technologii\/\" class=\"top-level-link\" target=\"_blank\" rel=\"noopener\"><div class=\"jet-menu-item-wrapper\"><div class=\"jet-menu-title\">Z\u00e1klady laserov\u00fdch technol\u00f3gi\u00ed<\/div><\/div><\/a><\/li>\n<li id=\"jet-menu-item-17663\" class=\"jet-menu-item jet-menu-item-type-custom jet-menu-item-object-custom jet-has-roll-up jet-simple-menu-item jet-regular-item jet-menu-item-17663\"><a href=\"https:\/\/megaflex.cz\/lasery\/sk\/vedomosti\/laserove-gravirovanie\/\" class=\"top-level-link\" target=\"_blank\" rel=\"noopener\"><div class=\"jet-menu-item-wrapper\"><div class=\"jet-menu-title\">Laserov\u00e9 grav\u00edrovanie<\/div><\/div><\/a><\/li>\n<li id=\"jet-menu-item-17664\" class=\"jet-menu-item jet-menu-item-type-custom jet-menu-item-object-custom jet-has-roll-up jet-simple-menu-item jet-regular-item jet-menu-item-17664\"><a href=\"https:\/\/megaflex.cz\/lasery\/sk\/vedomosti\/laserove-znacenie\/\" class=\"top-level-link\" target=\"_blank\" rel=\"noopener\"><div class=\"jet-menu-item-wrapper\"><div class=\"jet-menu-title\">Laserov\u00e9 zna\u010denie<\/div><\/div><\/a><\/li>\n<li id=\"jet-menu-item-17665\" class=\"jet-menu-item jet-menu-item-type-custom jet-menu-item-object-custom jet-has-roll-up jet-simple-menu-item jet-regular-item jet-menu-item-17665\"><a href=\"https:\/\/megaflex.cz\/lasery\/sk\/vedomosti\/zaklady-laseroveho-rezania\/\" class=\"top-level-link\" target=\"_blank\" rel=\"noopener\"><div class=\"jet-menu-item-wrapper\"><div class=\"jet-menu-title\">Z\u00e1klady laserov\u00e9ho rezania<\/div><\/div><\/a><\/li>\n<li id=\"jet-menu-item-17666\" class=\"jet-menu-item jet-menu-item-type-custom jet-menu-item-object-custom jet-has-roll-up jet-simple-menu-item jet-regular-item jet-menu-item-17666\"><a href=\"https:\/\/megaflex.cz\/lasery\/sk\/vedomosti\/laserova-bezpecnost\/\" class=\"top-level-link\" target=\"_blank\" rel=\"noopener\"><div class=\"jet-menu-item-wrapper\"><div class=\"jet-menu-title\">Laserov\u00e1 bezpe\u010dnos\u0165<\/div><\/div><\/a><\/li>\n<\/ul><\/div><\/div><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>\u010co znamen\u00e1 &#8222;LASER&#8220; &#8222;LASER&#8220; je akronym z anglick\u00e9ho&#8220;Light Amplification by Stimulated Emission of Radiation&#8220;, slovensky : zosil\u0148ovanie svetla stimulovanou emisiou \u017eiarenia. Lasery zosil\u0148uj\u00fa svetlo absorbovan\u00edm a vy\u017earovan\u00edm energie. Zdrojom energie, ktor\u00fdm m\u00f4\u017ee by\u0165 napr\u00edklad v\u00fdbojka alebo di\u00f3da ich do akt\u00edvneho prostredia dod\u00e1va (&#8222;pumpovan\u00e1&#8220;) energia. Akt\u00edvnym prostred\u00edm m\u00f4\u017ee by\u0165 napr\u00edklad ty\u010d kry\u0161t\u00e1lu u pevnol\u00e1tkov\u00fdch alebo zmes [&hellip;]<\/p>\n","protected":false},"author":974,"featured_media":2964,"parent":5375,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"acf":[],"_links":{"self":[{"href":"https:\/\/www.megaflex.cz\/lasery\/sk\/wp-json\/wp\/v2\/pages\/5421"}],"collection":[{"href":"https:\/\/www.megaflex.cz\/lasery\/sk\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.megaflex.cz\/lasery\/sk\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.megaflex.cz\/lasery\/sk\/wp-json\/wp\/v2\/users\/974"}],"replies":[{"embeddable":true,"href":"https:\/\/www.megaflex.cz\/lasery\/sk\/wp-json\/wp\/v2\/comments?post=5421"}],"version-history":[{"count":9,"href":"https:\/\/www.megaflex.cz\/lasery\/sk\/wp-json\/wp\/v2\/pages\/5421\/revisions"}],"predecessor-version":[{"id":19317,"href":"https:\/\/www.megaflex.cz\/lasery\/sk\/wp-json\/wp\/v2\/pages\/5421\/revisions\/19317"}],"up":[{"embeddable":true,"href":"https:\/\/www.megaflex.cz\/lasery\/sk\/wp-json\/wp\/v2\/pages\/5375"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.megaflex.cz\/lasery\/sk\/wp-json\/wp\/v2\/media\/2964"}],"wp:attachment":[{"href":"https:\/\/www.megaflex.cz\/lasery\/sk\/wp-json\/wp\/v2\/media?parent=5421"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}