{"id":2302,"date":"2026-04-20T05:35:14","date_gmt":"2026-04-20T05:35:14","guid":{"rendered":"https:\/\/www.zmsh-semitech.com\/?p=2302"},"modified":"2026-04-22T07:59:19","modified_gmt":"2026-04-22T07:59:19","slug":"laser-processing-of-diamond-zns-and-sic-optical-window-materials","status":"publish","type":"post","link":"https:\/\/www.zmsh-semitech.com\/cs\/laser-processing-of-diamond-zns-and-sic-optical-window-materials\/","title":{"rendered":"Femtosekundov\u00e9 laserov\u00e9 zpracov\u00e1n\u00ed optick\u00fdch okenn\u00edch materi\u00e1l\u016f z diamantu, ZnS a SiC"},"content":{"rendered":"<p>Materi\u00e1ly optick\u00fdch oken pou\u017e\u00edvan\u00e9 ve \u0161pi\u010dkov\u00e9m infra\u010derven\u00e9m zobrazov\u00e1n\u00ed, leteck\u00fdch senzorech a fotonick\u00fdch syst\u00e9mech pro extr\u00e9mn\u00ed prost\u0159ed\u00ed mus\u00ed sou\u010dasn\u011b spl\u0148ovat protich\u016fdn\u00e9 po\u017eadavky: vysokou optickou pr\u016fhlednost, extr\u00e9mn\u00ed mechanickou pevnost a tepelnou stabilitu v n\u00e1ro\u010dn\u00fdch podm\u00ednk\u00e1ch.<\/p>\n\n\n\n<p>Materi\u00e1ly jako diamant, sulfid zine\u010dnat\u00fd (ZnS) a karbid k\u0159em\u00edku (SiC) p\u0159edstavuj\u00ed t\u0159i nejd\u016fle\u017eit\u011bj\u0161\u00ed t\u0159\u00eddy pokro\u010dil\u00fdch optick\u00fdch oken. Jejich v\u00fdjime\u010dn\u00e1 tvrdost a chemick\u00e1 stabilita v\u0161ak z\u00e1rove\u0148 zp\u016fsobuj\u00ed, \u017ee je velmi obt\u00ed\u017en\u00e9 je zpracov\u00e1vat b\u011b\u017en\u00fdmi technikami.<\/p>\n\n\n\n<p>Tradi\u010dn\u00ed metody obr\u00e1b\u011bn\u00ed - mechanick\u00e9 le\u0161t\u011bn\u00ed, chemick\u00e9 lept\u00e1n\u00ed nebo nanosekundov\u00e1 laserov\u00e1 ablace - \u010dasto zp\u016fsobuj\u00ed tepeln\u00e9 po\u0161kozen\u00ed, mikrotrhliny a zbytkov\u00e9 nap\u011bt\u00ed, kter\u00e9 v\u00fdrazn\u011b zhor\u0161uj\u00ed optick\u00e9 vlastnosti.<\/p>\n\n\n\n<p>Naproti tomu, <a href=\"https:\/\/www.zmsh-semitech.com\/cs\/kategorie-produktu\/laser-cutting\/\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">zpracov\u00e1n\u00ed femtosekundov\u00fdm laserem<\/mark><\/a> se stala p\u0159evratnou technologi\u00ed, kter\u00e1 nab\u00edz\u00ed z\u00e1sadn\u011b odli\u0161n\u00fd mechanismus interakce zalo\u017een\u00fd na ultrarychl\u00e9m neterm\u00e1ln\u00edm ukl\u00e1d\u00e1n\u00ed energie.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Pro\u010d jsou femtosekundov\u00e9 lasery z\u00e1sadn\u011b odli\u0161n\u00e9<\/strong><\/h2>\n\n\n\n<p>Femtosekundov\u00e9 laserov\u00e9 pulzy pracuj\u00ed v \u0159\u00e1du 10\u00b9\u2075 sekund, co\u017e je podstatn\u011b krat\u0161\u00ed doba ne\u017e elektron-fononov\u00e1 relaxace ve v\u011bt\u0161in\u011b pevn\u00fdch l\u00e1tek.<\/p>\n\n\n\n<p>Tato ultrakr\u00e1tk\u00e1 interakce vede k n\u011bkolika kl\u00ed\u010dov\u00fdm v\u00fdhod\u00e1m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Energie se ukl\u00e1d\u00e1 d\u0159\u00edve, ne\u017e dojde k dif\u00fazi tepla<\/li>\n\n\n\n<li>P\u0159i odstra\u0148ov\u00e1n\u00ed materi\u00e1lu p\u0159eva\u017euje neline\u00e1rn\u00ed ionizace nad taven\u00edm.<\/li>\n\n\n\n<li>Tepeln\u011b posti\u017een\u00e9 z\u00f3ny jsou t\u00e9m\u011b\u0159 eliminov\u00e1ny<\/li>\n\n\n\n<li>Vysok\u00e1 prostorov\u00e1 p\u0159esnost v mikro- a nanorozm\u011brech je mo\u017en\u00e1<\/li>\n<\/ul>\n\n\n\n<p>Femtosekundov\u00e9 lasery tak umo\u017e\u0148uj\u00ed takzvanou \u201cstudenou ablaci\u201d, kter\u00e1 je jedine\u010dn\u011b vhodn\u00e1 pro velmi p\u0159esn\u00e9 strukturov\u00e1n\u00ed tvrd\u00fdch a k\u0159ehk\u00fdch materi\u00e1l\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Diamant: Od ultra tvrd\u00e9ho materi\u00e1lu k platform\u011b funk\u010dn\u00ed mikrostruktury<\/strong><\/h2>\n\n\n\n<p>Diamant je v\u0161eobecn\u011b uzn\u00e1v\u00e1n pro svou bezkonkuren\u010dn\u00ed tvrdost, v\u00fdjime\u010dnou tepelnou vodivost a optickou pr\u016fhlednost v \u0161irok\u00e9m spektr\u00e1ln\u00edm rozsahu. D\u00edky t\u011bmto vlastnostem je ide\u00e1ln\u00ed pro v\u00fdkonn\u00e1 optick\u00e1 okna, substr\u00e1ty pro tepeln\u00fd management a komponenty odoln\u00e9 proti z\u00e1\u0159en\u00ed.<\/p>\n\n\n\n<p>Jeho extr\u00e9mn\u00ed chemick\u00e1 stabilita a tvrdost v\u0161ak tak\u00e9 \u010din\u00ed konven\u010dn\u00ed obr\u00e1b\u011bn\u00ed extr\u00e9mn\u011b n\u00e1ro\u010dn\u00fdm, co\u017e \u010dasto vede ke grafitizaci nebo podpovrchov\u00e9mu po\u0161kozen\u00ed.<\/p>\n\n\n\n<p>Femtosekundov\u00e9 laserov\u00e9 zpracov\u00e1n\u00ed toto omezen\u00ed v\u00fdrazn\u011b zm\u011bnilo.<\/p>\n\n\n\n<p>Nejnov\u011bj\u0161\u00ed v\u00fdvoj ukazuje, \u017ee diamant lze nyn\u00ed strukturovat do:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mikrokan\u00e1lky s vysok\u00fdm pom\u011brem stran pro syst\u00e9my tepeln\u00e9ho managementu<\/li>\n\n\n\n<li>Mikrodr\u00e1\u017ekov\u00e1 pole pro zdroje rentgenov\u00e9ho z\u00e1\u0159en\u00ed<\/li>\n\n\n\n<li>Mikropor\u00e9zn\u00ed struktury pro mikrofluidn\u00ed a sn\u00edmac\u00ed za\u0159\u00edzen\u00ed<\/li>\n<\/ul>\n\n\n\n<p>Jedn\u00edm z v\u00fdznamn\u00fdch pokrok\u016f je v\u00fdroba mikrootvor\u016f o pr\u016fm\u011bru pod 20 \u03bcm v tenk\u00fdch diamantov\u00fdch desk\u00e1ch (tlou\u0161\u0165ka ~170 \u03bcm), \u010d\u00edm\u017e se dos\u00e1hlo pom\u011bru stran kolem 10:1 p\u0159i zachov\u00e1n\u00ed \u0159\u00edzen\u00e9 geometrie ku\u017eel\u016f.<\/p>\n\n\n\n<p>Tyto v\u00fdsledky ukazuj\u00ed, \u017ee diamant ji\u017e nen\u00ed pouze pasivn\u00edm materi\u00e1lem pro optick\u00e1 okna, ale st\u00e1le v\u00edce se st\u00e1v\u00e1 funk\u010dn\u00ed platformou pro vysoce v\u00fdkonn\u00e1 za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Sulfid zine\u010dnat\u00fd (ZnS): Funkcionalizace infra\u010derven\u00fdch oken prost\u0159ednictv\u00edm povrchov\u00fdch mikrostruktur<\/strong><\/h2>\n\n\n\n<p>ZnS je kl\u00ed\u010dov\u00fdm materi\u00e1lem pro p\u0159enos infra\u010derven\u00e9ho z\u00e1\u0159en\u00ed, kter\u00fd se \u0161iroce pou\u017e\u00edv\u00e1 ve st\u0159edovlnn\u00fdch a dlouhovlnn\u00fdch infra\u010derven\u00fdch optick\u00fdch syst\u00e9mech, v\u010detn\u011b termovizn\u00edch a nav\u00e1d\u011bc\u00edch oken pro \u0159\u00edzen\u00e9 st\u0159ely.<\/p>\n\n\n\n<p>Jej\u00ed optick\u00fd v\u00fdkon je v\u0161ak siln\u011b ovlivn\u011bn povrchov\u00fdmi odrazy a ztr\u00e1tami rozptylem.<\/p>\n\n\n\n<p>Femtosekundov\u00e9 laserov\u00e9 zpracov\u00e1n\u00ed, zejm\u00e9na v kombinaci se strukturovan\u00fdm tvarov\u00e1n\u00edm paprsku (nap\u0159. Besselov\u00fdmi paprsky), umo\u017e\u0148uje p\u0159esnou funkcionalizaci povrchu.<\/p>\n\n\n\n<p>Ned\u00e1vn\u00e9 studie prok\u00e1zaly:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Velkoplo\u0161n\u00e1 pole mikro\/nanostruktur, kter\u00e1 sni\u017euj\u00ed Fresnel\u016fv odraz<\/li>\n\n\n\n<li>Nanokan\u00e1ly s vysok\u00fdm pom\u011brem stran pro fotonick\u00e1 za\u0159\u00edzen\u00ed<\/li>\n\n\n\n<li>Biomimetick\u00e9 povrchy podobn\u00e9 \u201cmlo\u010d\u00edm o\u010d\u00edm\u201d pro \u0161irokop\u00e1smovou antireflexi<\/li>\n<\/ul>\n\n\n\n<p>V n\u011bkter\u00fdch p\u0159\u00edpadech dos\u00e1hly upraven\u00e9 povrchy ZnS v\u00fdrazn\u00e9ho sn\u00ed\u017een\u00ed odrazivosti (z v\u00edce ne\u017e 40% na m\u00e9n\u011b ne\u017e 15%) a sou\u010dasn\u011b zlep\u0161ily jasnost infra\u010derven\u00e9ho zobrazen\u00ed.<\/p>\n\n\n\n<p>Je\u0161t\u011b d\u016fle\u017eit\u011bj\u0161\u00ed je, \u017ee tyto struktury nejsou jen geometrick\u00fdmi modifikacemi - aktivn\u011b zvy\u0161uj\u00ed optick\u00fd v\u00fdkon a m\u011bn\u00ed ZnS z pasivn\u00edho okenn\u00edho materi\u00e1lu ve strukturovan\u00fd materi\u00e1l optick\u00e9ho rozhran\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Karbid k\u0159em\u00edku (SiC): (SiC): propojen\u00ed v\u00fdkonov\u00e9 elektroniky a optiky<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"777\" src=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/Femtosecond-Laser-Processing-of-Diamond-ZnS-and-SiC-Optical-Window-Materials-1024x777.jpg\" alt=\"\" class=\"wp-image-2303\" srcset=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/Femtosecond-Laser-Processing-of-Diamond-ZnS-and-SiC-Optical-Window-Materials-1024x777.jpg 1024w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/Femtosecond-Laser-Processing-of-Diamond-ZnS-and-SiC-Optical-Window-Materials-300x228.jpg 300w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/Femtosecond-Laser-Processing-of-Diamond-ZnS-and-SiC-Optical-Window-Materials-768x583.jpg 768w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/Femtosecond-Laser-Processing-of-Diamond-ZnS-and-SiC-Optical-Window-Materials-16x12.jpg 16w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/Femtosecond-Laser-Processing-of-Diamond-ZnS-and-SiC-Optical-Window-Materials-600x456.jpg 600w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/Femtosecond-Laser-Processing-of-Diamond-ZnS-and-SiC-Optical-Window-Materials.jpg 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Karbid k\u0159em\u00edku zauj\u00edm\u00e1 mezi pokro\u010dil\u00fdmi materi\u00e1ly jedine\u010dn\u00e9 postaven\u00ed d\u00edky kombinaci:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vysok\u00e1 tepeln\u00e1 vodivost<\/li>\n\n\n\n<li>Vysok\u00e1 mechanick\u00e1 tvrdost<\/li>\n\n\n\n<li>Vynikaj\u00edc\u00ed chemick\u00e1 stabilita<\/li>\n\n\n\n<li>Vlastnosti polovodi\u010d\u016f se \u0161irok\u00fdm p\u00e1smem<\/li>\n<\/ul>\n\n\n\n<p>P\u0159esto\u017ee je SiC nejzn\u00e1m\u011bj\u0161\u00ed pro aplikace ve v\u00fdkonov\u00e9 elektronice, st\u00e1le \u010dast\u011bji se pou\u017e\u00edv\u00e1 v optick\u00fdch oknech a fotonick\u00fdch syst\u00e9mech pro n\u00e1ro\u010dn\u00e9 podm\u00ednky.<\/p>\n\n\n\n<p>Jeho chemick\u00e1 inertnost v\u0161ak velmi zt\u011b\u017euje jeho vzorov\u00e1n\u00ed pomoc\u00ed mokr\u00e9ho lept\u00e1n\u00ed nebo konven\u010dn\u00ed litografie.<\/p>\n\n\n\n<p>Femtosekundov\u00e9 laserov\u00e9 zpracov\u00e1n\u00ed p\u0159edstavuje \u017eivotaschopnou alternativu, kter\u00e1 umo\u017e\u0148uje:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P\u0159esn\u00e1 ablace povrchu s minim\u00e1ln\u00edm tepeln\u00fdm po\u0161kozen\u00edm<\/li>\n\n\n\n<li>Laserem indukovan\u00e9 vrstvy f\u00e1zov\u00e9 modifikace<\/li>\n\n\n\n<li>\u0158\u00edzen\u00e1 vnit\u0159n\u00ed modifikace pro podpovrchov\u00e9 strukturov\u00e1n\u00ed<\/li>\n<\/ul>\n\n\n\n<p>Ned\u00e1vn\u00e9 experiment\u00e1ln\u00ed pr\u00e1ce uk\u00e1zaly, \u017ee vylad\u011bn\u00edm energie pulzu a strategie skenov\u00e1n\u00ed je mo\u017en\u00e9 vyvolat lokalizovanou ionizaci a \u0159\u00edzenou strukturn\u00ed modifikaci uvnit\u0159 SiC.<\/p>\n\n\n\n<p>Tyto konstruk\u010dn\u00ed prvky mohou zv\u00fd\u0161it \u00fa\u010dinnost optick\u00e9ho sb\u011bru a otev\u0159\u00edt cestu k aplikac\u00edm v:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vysokoteplotn\u00ed optick\u00e9 senzory<\/li>\n\n\n\n<li>Kvantov\u00e1 fotonick\u00e1 za\u0159\u00edzen\u00ed<\/li>\n\n\n\n<li>Integrovan\u00e9 fotonicko-elektronick\u00e9 syst\u00e9my<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Od obr\u00e1b\u011bn\u00ed k funk\u010dn\u00edmu designu: Zm\u011bna paradigmatu<\/strong><\/h2>\n\n\n\n<p>U diamantu, ZnS a SiC se objevuje spole\u010dn\u00fd trend:<\/p>\n\n\n\n<p>Femtosekundov\u00e9 laserov\u00e9 zpracov\u00e1n\u00ed ji\u017e nen\u00ed jen v\u00fdrobn\u00edm n\u00e1strojem - st\u00e1v\u00e1 se funk\u010dn\u00ed konstruk\u010dn\u00ed platformou.<\/p>\n\n\n\n<p>Tento posun se vyzna\u010duje:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P\u0159echod od tvarov\u00e1n\u00ed povrchu \u2192 k objemov\u00e9 \u00faprav\u011b<\/li>\n\n\n\n<li>P\u0159echod od obr\u00e1b\u011bn\u00ed jednotliv\u00fdch prvk\u016f \u2192 k velkoplo\u0161n\u00e9mu mikro\/nanopatrov\u00e1n\u00ed<\/li>\n\n\n\n<li>P\u0159echod od konstruk\u010dn\u00ed v\u00fdroby \u2192 k optick\u00e9mu a tepeln\u00e9mu funk\u010dn\u00edmu in\u017een\u00fdrstv\u00ed<\/li>\n<\/ul>\n\n\n\n<p>Jin\u00fdmi slovy, geometrie u\u017e nen\u00ed jen geometri\u00ed - nyn\u00ed je metodou \u0159\u00edzen\u00ed sv\u011btla, tepla a elektronick\u00e9ho chov\u00e1n\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>V\u00fdhled do budoucna: Sm\u011brem k multifunk\u010dn\u00edm optick\u00fdm okn\u016fm<\/strong><\/h2>\n\n\n\n<p>Do budoucna se o\u010dek\u00e1v\u00e1, \u017ee femtosekundov\u00e9 laserov\u00e9 zpracov\u00e1n\u00ed bude hr\u00e1t st\u00e1le d\u016fle\u017eit\u011bj\u0161\u00ed roli v optick\u00fdch syst\u00e9mech p\u0159\u00ed\u0161t\u00ed generace.<\/p>\n\n\n\n<p>Mezi hlavn\u00ed sm\u011bry v\u00fdvoje pat\u0159\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0160k\u00e1lovateln\u00e1 v\u00fdroba velkoplo\u0161n\u00fdch nanostrukturovan\u00fdch optick\u00fdch povrch\u016f<\/li>\n\n\n\n<li>Integrace optick\u00fdch + tepeln\u00fdch + elektronick\u00fdch funkc\u00ed v jednom materi\u00e1lu<\/li>\n\n\n\n<li>Hybridn\u00ed zpracov\u00e1n\u00ed kombinuj\u00edc\u00ed ultrarychl\u00e9 lasery s optimalizac\u00ed \u0159\u00edzenou um\u011blou inteligenc\u00ed<\/li>\n\n\n\n<li>Roz\u0161\u00ed\u0159en\u00ed aplikac\u00ed o vesm\u00edrnou optiku, kvantov\u00e9 sn\u00edm\u00e1n\u00ed a v\u00fdkonnou fotoniku.<\/li>\n<\/ul>\n\n\n\n<p>S pokra\u010duj\u00edc\u00edm zlep\u0161ov\u00e1n\u00edm p\u0159esnosti zpracov\u00e1n\u00ed se materi\u00e1ly optick\u00fdch oken vyvinou z pasivn\u00edch ochrann\u00fdch komponent v aktivn\u011b navr\u017een\u00e1 funk\u010dn\u00ed rozhran\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Z\u00e1v\u011br<\/strong><\/h2>\n\n\n\n<p>Diamant, ZnS a SiC p\u0159edstavuj\u00ed t\u0159i extr\u00e9mn\u00ed materi\u00e1lov\u00e9 syst\u00e9my, u nich\u017e tradi\u010dn\u00ed p\u0159\u00edstupy k obr\u00e1b\u011bn\u00ed nar\u00e1\u017eej\u00ed na z\u00e1sadn\u00ed omezen\u00ed.<\/p>\n\n\n\n<p>Technologie femtosekundov\u00e9ho laseru p\u0159edstavuje pr\u016flomov\u00e9 \u0159e\u0161en\u00ed, proto\u017ee umo\u017e\u0148uje neterm\u00e1ln\u00ed, velmi p\u0159esnou a vysoce kontrolovatelnou modifikaci materi\u00e1lu.<\/p>\n\n\n\n<p>A co je je\u0161t\u011b d\u016fle\u017eit\u011bj\u0161\u00ed, m\u011bn\u00ed \u00falohu optick\u00fdch okenn\u00edch materi\u00e1l\u016f - od jednoduch\u00fdch p\u0159enosov\u00fdch prvk\u016f a\u017e po navr\u017een\u00e9 funk\u010dn\u00ed komponenty v pokro\u010dil\u00fdch fotonick\u00fdch a energetick\u00fdch syst\u00e9mech.<\/p>","protected":false},"excerpt":{"rendered":"<p>Optical window materials used in high-end infrared imaging, aerospace sensors, and extreme-environment photonic systems must simultaneously satisfy contradictory requirements: high optical transparency, extreme mechanical strength, and thermal stability under harsh conditions. Materials such as diamond, zinc sulfide (ZnS), and silicon carbide (SiC) represent three of the most important classes of advanced optical windows. 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