{"id":2647,"date":"2026-07-06T09:04:19","date_gmt":"2026-07-06T09:04:19","guid":{"rendered":"https:\/\/www.sapphire-windows.com\/?p=2647"},"modified":"2026-07-06T09:04:34","modified_gmt":"2026-07-06T09:04:34","slug":"sapphire-vs-bk7-k9-glass","status":"publish","type":"post","link":"https:\/\/www.sapphire-windows.com\/cs\/sapphire-vs-bk7-k9-glass\/","title":{"rendered":"Saf\u00edr versus sklo BK7\/K9: Rozd\u00edly v materi\u00e1lech pro n\u00e1vrh optick\u00fdch syst\u00e9m\u016f"},"content":{"rendered":"<p class=\"wp-block-paragraph\">P\u0159i navrhov\u00e1n\u00ed optick\u00fdch syst\u00e9m\u016f nen\u00ed materi\u00e1l ok\u00e9nka pro in\u017een\u00fdry pouh\u00fdm pr\u016fhledn\u00fdm krytem. Ovliv\u0148uje propustnost, kvalitu obrazu, tepelnou stabilitu, mechanickou odolnost, spolehlivost ut\u011bsn\u011bn\u00ed, n\u00e1klady i dlouhodob\u00fd v\u00fdkon. Saf\u00edr, BK7 a sklo K9 jsou b\u011b\u017en\u011b pou\u017e\u00edvan\u00e9 optick\u00e9 materi\u00e1ly, ale ka\u017ed\u00fd z nich je vhodn\u00fd pro jin\u00e9 provozn\u00ed podm\u00ednky.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Materi\u00e1ly BK7 a K9 se hojn\u011b pou\u017e\u00edvaj\u00ed v \u010do\u010dk\u00e1ch, hranolech, zrcadlech, ochrann\u00fdch sklech, optice fotoapar\u00e1t\u016f, p\u0159\u00edstroj\u00edch a obecn\u011b v optick\u00fdch syst\u00e9mech pracuj\u00edc\u00edch ve viditeln\u00e9m spektru. Saf\u00edr se obvykle vol\u00ed v p\u0159\u00edpadech, kdy mus\u00ed optick\u00e1 sou\u010d\u00e1stka odol\u00e1vat i n\u00e1ro\u010dn\u00fdm podm\u00ednk\u00e1m, jako jsou vysok\u00e9 teploty, tlak, ot\u011br, chemik\u00e1lie, vakuum, plazma, vystaven\u00ed venkovn\u00edm vliv\u016fm nebo opakovan\u00e9 \u010di\u0161t\u011bn\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tento \u010dl\u00e1nek porovn\u00e1v\u00e1 saf\u00edr, BK7 a sklo K9 z hlediska n\u00e1vrhu optick\u00fdch syst\u00e9m\u016f a pom\u00e1h\u00e1 tak kupuj\u00edc\u00edm a in\u017een\u00fdr\u016fm vybrat vhodn\u00fd materi\u00e1l pro r\u016fzn\u00e9 aplikace.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.sapphire-windows.com\/wp-content\/uploads\/2026\/07\/Sapphire-vs-BK7-K9-Glass-1024x768.png\" alt=\"\" class=\"wp-image-2648\" srcset=\"https:\/\/www.sapphire-windows.com\/wp-content\/uploads\/2026\/07\/Sapphire-vs-BK7-K9-Glass-1024x768.png 1024w, https:\/\/www.sapphire-windows.com\/wp-content\/uploads\/2026\/07\/Sapphire-vs-BK7-K9-Glass-300x225.png 300w, https:\/\/www.sapphire-windows.com\/wp-content\/uploads\/2026\/07\/Sapphire-vs-BK7-K9-Glass-768x576.png 768w, https:\/\/www.sapphire-windows.com\/wp-content\/uploads\/2026\/07\/Sapphire-vs-BK7-K9-Glass-16x12.png 16w, https:\/\/www.sapphire-windows.com\/wp-content\/uploads\/2026\/07\/Sapphire-vs-BK7-K9-Glass-600x450.png 600w, https:\/\/www.sapphire-windows.com\/wp-content\/uploads\/2026\/07\/Sapphire-vs-BK7-K9-Glass.png 1448w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">1. Co je to saf\u00edr?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Saf\u00edr pou\u017e\u00edvan\u00fd v optick\u00fdch ok\u00e9nk\u00e1ch je syntetick\u00fd monokrystalick\u00fd oxid hlinit\u00fd, Al\u2082O\u2083. Nejedn\u00e1 se o b\u011b\u017en\u00e9 sklo. Saf\u00edr je krystalick\u00fd materi\u00e1l s vynikaj\u00edc\u00ed tvrdost\u00ed, odolnost\u00ed proti opot\u0159eben\u00ed, chemickou odolnost\u00ed, teplotn\u00ed stabilitou a \u0161irok\u00fdm spektrem optick\u00e9 propustnosti od ultrafialov\u00fdch a\u017e po infra\u010derven\u00e9 vlnov\u00e9 d\u00e9lky. Spole\u010dnost Kyocera popisuje optick\u00e9 komponenty ze saf\u00edru jako materi\u00e1ly s vysokou propustnost\u00ed v \u0161irok\u00e9m rozsahu vlnov\u00fdch d\u00e9lek od ultrafialov\u00e9ho a\u017e po infra\u010derven\u00e9 z\u00e1\u0159en\u00ed, kter\u00e9 jsou z\u00e1rove\u0148 odoln\u00e9 proti korozi a opot\u0159eben\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00edky t\u011bmto vlastnostem se saf\u00edr \u010dasto pou\u017e\u00edv\u00e1 k:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ochrann\u00e1 optick\u00e1 ok\u00e9nka<\/li>\n\n\n\n<li>Vysokotlak\u00e9 pr\u016fzory<\/li>\n\n\n\n<li>Okna vakuov\u00e9 komory<\/li>\n\n\n\n<li>Kryty senzor\u016f<\/li>\n\n\n\n<li>Laserov\u00e1 okna<\/li>\n\n\n\n<li>Ok\u00e9nka kamer pro n\u00e1ro\u010dn\u00e9 podm\u00ednky<\/li>\n\n\n\n<li>Okna pro polovodi\u010dov\u00e1 za\u0159\u00edzen\u00ed<\/li>\n\n\n\n<li>Ok\u00e9nka pro pozorov\u00e1n\u00ed chemick\u00fdch jev\u016f a plazmy<\/li>\n\n\n\n<li>Optick\u00e9 kryty pro leteck\u00fd a obrann\u00fd pr\u016fmysl<\/li>\n\n\n\n<li>Skenery nebo kontroln\u00ed ok\u00e9nka odoln\u00e9 proti opot\u0159eben\u00ed<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Hlavn\u00ed v\u00fdhodou saf\u00edru nen\u00ed jen jeho pr\u016fhlednost. Jeho hodnota spo\u010d\u00edv\u00e1 v kombinaci optick\u00fdch vlastnost\u00ed s mechanickou odolnost\u00ed a odolnost\u00ed v\u016f\u010di vliv\u016fm prost\u0159ed\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. Co je to sklo BK7?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">BK7 je borosilik\u00e1tov\u00e9 optick\u00e9 sklo typu \u201ecrown\u201c. Materi\u00e1l N-BK7 od spole\u010dnosti SCHOTT pat\u0159\u00ed mezi nej\u010dast\u011bji pou\u017e\u00edvan\u00e1 standardn\u00ed optick\u00e1 skla, proto\u017ee nab\u00edz\u00ed stabiln\u00ed optick\u00e9 vlastnosti, dobrou vnit\u0159n\u00ed propustnost ve viditeln\u00e9m a bl\u00edzk\u00e9m infra\u010derven\u00e9m spektru a spolehlivou dostupnost pro p\u0159esnou optiku. Technick\u00fd list materi\u00e1lu N-BK7 od spole\u010dnosti SCHOTT uv\u00e1d\u00ed \u00fadaje o indexu lomu a hodnot\u00e1ch vnit\u0159n\u00ed propustnosti v r\u016fzn\u00fdch vlnov\u00fdch d\u00e9lk\u00e1ch, co\u017e je u\u017eite\u010dn\u00e9 pro v\u00fdpo\u010dty p\u0159i n\u00e1vrhu optick\u00fdch syst\u00e9m\u016f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">BK7 se b\u011b\u017en\u011b pou\u017e\u00edv\u00e1 pro:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Objektivy<\/li>\n\n\n\n<li>Hranoly<\/li>\n\n\n\n<li>Optick\u00e1 okna<\/li>\n\n\n\n<li>Zrcadla<\/li>\n\n\n\n<li>Rozd\u011blova\u010de paprsk\u016f<\/li>\n\n\n\n<li>Zobrazovac\u00ed syst\u00e9my<\/li>\n\n\n\n<li>Laboratorn\u00ed p\u0159\u00edstroje<\/li>\n\n\n\n<li>Sou\u010d\u00e1sti fotoapar\u00e1t\u016f a dalekohled\u016f<\/li>\n\n\n\n<li>Obecn\u00e9 optick\u00e9 syst\u00e9my pracuj\u00edc\u00ed ve viditeln\u00e9m spektru<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ve srovn\u00e1n\u00ed se saf\u00edrem se BK7 sn\u00e1ze zpracov\u00e1v\u00e1, snadn\u011bji se le\u0161t\u00ed, je cenov\u011b v\u00fdhodn\u011bj\u0161\u00ed a je \u0161iroce dostupn\u00fd v mnoha rozm\u011brech. Neposkytuje v\u0161ak stejnou tvrdost, tepelnou odolnost ani odolnost v\u016f\u010di drsn\u00fdm podm\u00ednk\u00e1m jako saf\u00edr.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. Co je to sklo K9?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Sklo K9 se v \u010c\u00edn\u011b b\u011b\u017en\u011b pou\u017e\u00edv\u00e1 jako optick\u00e9 korunov\u00e9 sklo podobn\u00e9 sklu BK7. V mnoha jedn\u00e1n\u00edch o dod\u00e1vk\u00e1ch se K9 nebo H-K9L pova\u017euje za materi\u00e1l ekvivalentn\u00ed sklu BK7, zejm\u00e9na pokud jde o \u010do\u010dky, hranoly, ok\u00e9nka a obecn\u00e9 optick\u00e9 komponenty. Technick\u00fd list spole\u010dnosti CDGM pro materi\u00e1l H-K9L uv\u00e1d\u00ed <strong>nd = 1,516800<\/strong> a <strong>\u03bdd = 64,20<\/strong>, kter\u00e9 se velmi bl\u00ed\u017e\u00ed typick\u00fdm optick\u00fdm parametr\u016fm skla N-BK7.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kupuj\u00edc\u00ed by v\u0161ak m\u011bli b\u00fdt opatrn\u00ed, pokud jde o pojem \u201cK9\u201d. P\u0159i mezin\u00e1rodn\u00edch n\u00e1kupech optick\u00fdch materi\u00e1l\u016f je lep\u0161\u00ed si ov\u011b\u0159it p\u0159esn\u00fd typ skla, nap\u0159\u00edklad <strong>H-K9L<\/strong>, <strong>N-BK7<\/strong>, nebo jinou ekvivalentn\u00ed t\u0159\u00eddu, m\u00edsto pouh\u00e9ho uveden\u00ed \u201csklo K9\u201d. \u00dadaje o optick\u00e9m skle spole\u010dnosti CDGM vysv\u011btluj\u00ed, \u017ee k\u00f3d H-K9L 517642 odpov\u00edd\u00e1 hodnot\u00e1m indexu lomu a Abbeho \u010d\u00edsla, co\u017e pom\u00e1h\u00e1 konstrukt\u00e9r\u016fm optick\u00fdch za\u0159\u00edzen\u00ed p\u0159esn\u011bji identifikovat dan\u00fd materi\u00e1l.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jednodu\u0161e \u0159e\u010deno:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>BK7<\/strong> obvykle se t\u00edm m\u00edn\u00ed zn\u00e1m\u00e1 skupina borosilik\u00e1tov\u00fdch korunov\u00fdch skel.<\/li>\n\n\n\n<li><strong>N-BK7<\/strong> \u010dasto se t\u00edm m\u00edn\u00ed konkr\u00e9tn\u011b bezolovnat\u00e1 a bezarsenov\u00e1 verze od spole\u010dnosti SCHOTT.<\/li>\n\n\n\n<li><strong>K9 \/ H-K9L<\/strong> obvykle se t\u00edm m\u00edn\u00ed \u010d\u00ednsk\u00e1 optick\u00e1 sklen\u011bn\u00e1 t\u0159\u00edda typu \u201ecrown\u201c, podobn\u00e1 sklu BK7.<\/li>\n\n\n\n<li>U p\u0159esn\u00fdch syst\u00e9m\u016f by si kupuj\u00edc\u00ed m\u011bli ov\u011b\u0159it p\u0159esn\u00e9 technick\u00e9 \u00fadaje, nikoli pouze b\u011b\u017en\u00fd n\u00e1zev.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">4. Rychl\u00e9 srovn\u00e1n\u00ed: saf\u00edr vs. sklo BK7\/K9<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Majetek<\/th><th>Sapphire<\/th><th>BK7 \/ K9 sklo<\/th><\/tr><tr><td>Typ materi\u00e1lu<\/td><td>Monokrystal Al\u2082O\u2083<\/td><td>Optick\u00e9 korunov\u00e9 sklo<\/td><\/tr><tr><td>Hlavn\u00ed v\u00fdhoda<\/td><td>Tvrdost, odolnost, tepeln\u00e1 stabilita<\/td><td>Vynikaj\u00edc\u00ed kvalita, ni\u017e\u0161\u00ed n\u00e1klady, snadn\u00e9 zpracov\u00e1n\u00ed<\/td><\/tr><tr><td>Optick\u00fd dosah<\/td><td>Od UV po IR, v z\u00e1vislosti na t\u0159\u00edd\u011b a tlou\u0161\u0165ce<\/td><td>Viditeln\u00e9 p\u0159edev\u0161\u00edm v bl\u00edzk\u00e9 infra\u010derven\u00e9 oblasti<\/td><\/tr><tr><td>Tvrdost<\/td><td>Velmi vysok\u00e1<\/td><td>M\u00edrn\u00e1<\/td><\/tr><tr><td>Odolnost proti po\u0161kr\u00e1b\u00e1n\u00ed<\/td><td>Vynikaj\u00edc\u00ed<\/td><td>Ni\u017e\u0161\u00ed ne\u017e saf\u00edr<\/td><\/tr><tr><td>Tepeln\u00fd odpor<\/td><td>Vynikaj\u00edc\u00ed<\/td><td>Omezen\u00e9 ve srovn\u00e1n\u00ed se saf\u00edrem<\/td><\/tr><tr><td>Chemick\u00e1 odolnost<\/td><td>Vynikaj\u00edc\u00ed<\/td><td>Vhodn\u00e9 pro b\u011b\u017en\u00e9 optick\u00e9 podm\u00ednky<\/td><\/tr><tr><td>Obt\u00ed\u017enost zpracov\u00e1n\u00ed<\/td><td>Vysok\u00e1<\/td><td>Doln\u00ed<\/td><\/tr><tr><td>N\u00e1klady<\/td><td>Vy\u0161\u0161\u00ed<\/td><td>Doln\u00ed<\/td><\/tr><tr><td>Nejvhodn\u011bj\u0161\u00ed pro<\/td><td>N\u00e1ro\u010dn\u00e9 podm\u00ednky, tlak, opot\u0159eben\u00ed, vysok\u00e1 teplota<\/td><td>Obecn\u00e9 optick\u00e9 syst\u00e9my, \u010do\u010dky, hranoly, laboratorn\u00ed optika<\/td><\/tr><tr><td>Probl\u00e9m v n\u00e1vrhu<\/td><td>Dvojlom, n\u00e1klady, n\u00e1ro\u010dnost obr\u00e1b\u011bn\u00ed<\/td><td>Ni\u017e\u0161\u00ed odolnost, ni\u017e\u0161\u00ed tepeln\u00e9 vlastnosti<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">5. Rozd\u00edly v optick\u00e9m p\u0159enosu<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pro mnoho optick\u00fdch syst\u00e9m\u016f pracuj\u00edc\u00edch ve viditeln\u00e9m spektru \u010dasto posta\u010duje sklo BK7 nebo K9. Spole\u010dnost Edmund Optics uv\u00e1d\u00ed, \u017ee standardn\u00ed optick\u00e1 skla poskytuj\u00ed vysokou propustnost v cel\u00e9m viditeln\u00e9m spektru i mimo n\u011bj, a to a\u017e do oblast\u00ed bl\u00edzk\u00e9ho ultrafialov\u00e9ho a bl\u00edzk\u00e9ho infra\u010derven\u00e9ho z\u00e1\u0159en\u00ed. Proto se skla BK7\/K9 \u0161iroce pou\u017e\u00edvaj\u00ed v fotoapar\u00e1tech, dalekohledech, mikroskopech, laboratorn\u00ed optice a obecn\u011b jako ochrann\u00e1 ok\u00e9nka.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Saf\u00edr je vhodn\u011bj\u0161\u00ed v p\u0159\u00edpadech, kdy mus\u00ed optick\u00e9 ok\u00e9nko pokr\u00fdvat \u0161ir\u0161\u00ed rozsah vlnov\u00fdch d\u00e9lek nebo fungovat v n\u00e1ro\u010dn\u011bj\u0161\u00edm prost\u0159ed\u00ed. Optick\u00e1 ok\u00e9nka ze saf\u00edru se b\u011b\u017en\u011b pou\u017e\u00edvaj\u00ed v aplikac\u00edch od ultrafialov\u00e9ho a\u017e po infra\u010derven\u00e9 z\u00e1\u0159en\u00ed, zejm\u00e9na pokud mus\u00ed ok\u00e9nko odol\u00e1vat tak\u00e9 opot\u0159eben\u00ed, korozi, tlaku nebo vysok\u00fdm teplot\u00e1m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pro jednoduch\u00e9 sn\u00edm\u00e1n\u00ed ve viditeln\u00e9m spektru je BK7\/K9 obvykle cenov\u011b v\u00fdhodn\u011bj\u0161\u00ed. Pro syst\u00e9my vyu\u017e\u00edvaj\u00edc\u00ed UV a IR z\u00e1\u0159en\u00ed, syst\u00e9my s vysok\u00fdm v\u00fdkonem, vysok\u00fdmi teplotami nebo syst\u00e9my ur\u010den\u00e9 do n\u00e1ro\u010dn\u00fdch podm\u00ednek m\u016f\u017ee b\u00fdt saf\u00edr z dlouhodob\u00e9ho hlediska lep\u0161\u00ed volbou.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. Index lomu a optick\u00e1 konstrukce<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Index lomu ovliv\u0148uje to, jak se sv\u011btlo l\u00e1me p\u0159i vstupu do materi\u00e1lu a p\u0159i v\u00fdstupu z n\u011bj. Spole\u010dnost Edmund Optics vysv\u011btluje, \u017ee index lomu je kl\u00ed\u010dov\u00fdm parametrem optick\u00e9ho skla a p\u0159i navrhov\u00e1n\u00ed optick\u00e9ho skla se obvykle uv\u00e1d\u00ed hodnota 587,6 nm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Modely BK7 a H-K9L maj\u00ed velmi podobn\u00e9 hodnoty indexu lomu v okol\u00ed <strong>1.5168<\/strong> v oblasti d-\u010d\u00e1ry, d\u00edky \u010demu\u017e jsou tyto materi\u00e1ly dob\u0159e zn\u00e1m\u00e9 konstrukt\u00e9r\u016fm optick\u00fdch syst\u00e9m\u016f. Technick\u00e9 listy materi\u00e1l\u016f N-BK7 od spole\u010dnosti SCHOTT a H-K9L od spole\u010dnosti CDGM obsahuj\u00ed \u00fadaje o indexu lomu a disperzi pot\u0159ebn\u00e9 pro optick\u00e9 v\u00fdpo\u010dty.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Saf\u00edr m\u00e1 vy\u0161\u0161\u00ed index lomu ne\u017e BK7\/K9, tak\u017ee pokud nen\u00ed ok\u00e9nko opat\u0159eno povlakem, doch\u00e1z\u00ed na ka\u017ed\u00e9m povrchu k v\u011bt\u0161\u00edmu fresnelovsk\u00e9mu odrazu. V syst\u00e9mech, kde je d\u016fle\u017eit\u00e1 propustnost, se u saf\u00edrov\u00fdch ok\u00e9nek \u010dasto vyu\u017e\u00edv\u00e1 antireflexn\u00ed povlak navr\u017een\u00fd pro konkr\u00e9tn\u00ed vlnov\u00fd rozsah.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Z praktick\u00e9ho hlediska je to pro kupuj\u00edc\u00ed jednoduch\u00e9: p\u0159echod z BK7\/K9 na saf\u00edr m\u016f\u017ee vy\u017eadovat p\u0159epracov\u00e1n\u00ed optick\u00e9ho syst\u00e9mu, zejm\u00e9na pokud je ok\u00e9nko sou\u010d\u00e1st\u00ed obrazov\u00e9 dr\u00e1hy, laserov\u00e9 dr\u00e1hy nebo syst\u00e9mu p\u0159esn\u00fdch senzor\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7. Dvojlom: Kl\u00ed\u010dov\u00fd rozd\u00edl<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">BK7 a K9 jsou izotropn\u00ed optick\u00e1 skla, co\u017e znamen\u00e1, \u017ee obecn\u011b nevykazuj\u00ed dvojlom z\u00e1visl\u00fd na krystalov\u00e9 orientaci. Saf\u00edr je jin\u00fd. Jedn\u00e1 se o monokrystalick\u00fd materi\u00e1l a jeho optick\u00e9 vlastnosti mohou z\u00e1viset na krystalov\u00e9 orientaci.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">U b\u011b\u017en\u00fdch ochrann\u00fdch oken to nemus\u00ed b\u00fdt z\u00e1sadn\u00ed probl\u00e9m. U laserov\u00fdch syst\u00e9m\u016f, optiky citliv\u00e9 na polarizaci, p\u0159esn\u00e9ho zobrazov\u00e1n\u00ed nebo interferometrie by v\u0161ak m\u011bla b\u00fdt orientace saf\u00edru zohledn\u011bna. Spole\u010dnost Thorlabs uv\u00e1d\u00ed, \u017ee jej\u00ed saf\u00edrov\u00e1 ok\u00e9nka jsou \u0159ez\u00e1na v ose Z tak, aby osa c byla rovnob\u011b\u017en\u00e1 s optickou osou, co\u017e pom\u00e1h\u00e1 eliminovat \u00fa\u010dinky dvojlomnosti na proch\u00e1zej\u00edc\u00ed sv\u011btlo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Proto by kupuj\u00edc\u00ed nem\u011bli po\u017eadovat pouze \u201csaf\u00edrov\u00e9 ok\u00e9nko\u201d. Mo\u017en\u00e1 budou muset up\u0159esnit tak\u00e9:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>N\u00e1hodn\u00e1 orientace<\/li>\n\n\n\n<li>Saf\u00edr s \u0159ezem typu C \/ Z<\/li>\n\n\n\n<li>Sm\u011br optick\u00e9 osy<\/li>\n\n\n\n<li>Po\u017eadavek na dvojlomnost<\/li>\n\n\n\n<li>Vlnov\u00e1 d\u00e9lka laseru<\/li>\n\n\n\n<li>Citlivost na polarizaci<\/li>\n\n\n\n<li>Po\u017eadavky na p\u0159en\u00e1\u0161enou vlnovou frontu<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pro b\u011b\u017enou ochranu m\u016f\u017ee b\u00fdt BK7\/K9 jednodu\u0161\u0161\u00ed volbou. V n\u00e1ro\u010dn\u00fdch podm\u00ednk\u00e1ch je saf\u00edr odoln\u011bj\u0161\u00ed, av\u0161ak u vysoce p\u0159esn\u00fdch optick\u00fdch syst\u00e9m\u016f m\u016f\u017ee b\u00fdt nutn\u00e1 kontrola orientace.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">8. Tvrdost a odolnost proti po\u0161kr\u00e1b\u00e1n\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nejv\u011bt\u0161\u00edm mechanick\u00fdm rozd\u00edlem mezi saf\u00edrem a sklem BK7\/K9 je tvrdost. Saf\u00edr je mnohem tvrd\u0161\u00ed a odoln\u011bj\u0161\u00ed proti po\u0161kr\u00e1b\u00e1n\u00ed ne\u017e b\u011b\u017en\u00e9 optick\u00e9 sklo. D\u00edky tomu je vhodn\u00fd pro odkryt\u00e9 ok\u00e9nka, kter\u00e1 mohou p\u0159ij\u00edt do styku s prachem, \u010d\u00e1sticemi, kovov\u00fdmi n\u00e1stroji, \u010distic\u00edmi had\u0159\u00edky, p\u00edskem, zbytky plazmy nebo drsn\u00fdmi venkovn\u00edmi podm\u00ednkami.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Materi\u00e1l BK7\/K9 nab\u00edz\u00ed vynikaj\u00edc\u00ed optick\u00e9 vlastnosti, je v\u0161ak n\u00e1chyln\u011bj\u0161\u00ed k po\u0161kr\u00e1b\u00e1n\u00ed. U \u010dist\u00e9ho optick\u00e9ho p\u0159\u00edstroje to nemus\u00ed p\u0159edstavovat probl\u00e9m. V pr\u016fmyslov\u00e9m prost\u0159ed\u00ed, nap\u0159\u00edklad ve skeneru, senzoru, vysokotlak\u00e9 komo\u0159e, chemick\u00e9m reaktoru nebo venkovn\u00edm syst\u00e9mu, v\u0161ak po\u0161kozen\u00ed povrchu m\u016f\u017ee v pr\u016fb\u011bhu \u010dasu sn\u00ed\u017eit propustnost a zv\u00fd\u0161it rozptyl.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zvolte saf\u00edr, pokud okno sm\u011b\u0159uje:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u010cast\u00e9 ut\u00edr\u00e1n\u00ed nebo \u010di\u0161t\u011bn\u00ed<\/li>\n\n\n\n<li>Brusn\u00e9 \u010d\u00e1stice<\/li>\n\n\n\n<li>Mechanick\u00fd kontakt<\/li>\n\n\n\n<li>Drsn\u00e9 pr\u016fmyslov\u00e9 prost\u0159ed\u00ed<\/li>\n\n\n\n<li>Vystaven\u00ed venkovn\u00edm vliv\u016fm<\/li>\n\n\n\n<li>Vysokorychlostn\u00ed \u010d\u00e1stice nebo post\u0159\u00edk\u00e1n\u00ed<\/li>\n\n\n\n<li>Po\u017eadavky na dlouhodobou \u017eivotnost<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Zvolte BK7\/K9 v p\u0159\u00edpad\u011b, \u017ee je ok\u00e9nko chr\u00e1n\u011bno uvnit\u0159 optick\u00e9ho p\u0159\u00edstroje a cena nebo optick\u00e1 dostupnost jsou d\u016fle\u017eit\u011bj\u0161\u00ed ne\u017e odolnost proti od\u011bru.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">9. Tepeln\u00e1 stabilita a pou\u017eit\u00ed p\u0159i vysok\u00fdch teplot\u00e1ch<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Saf\u00edr je pro optick\u00e1 ok\u00e9nka vystaven\u00e1 vysok\u00fdm teplot\u00e1m mnohem vhodn\u011bj\u0161\u00ed ne\u017e sklo BK7\/K9. Saf\u00edr se pou\u017e\u00edv\u00e1 v n\u00e1ro\u010dn\u00fdch podm\u00ednk\u00e1ch, proto\u017ee kombinuje optickou propustnost s vynikaj\u00edc\u00edmi tepeln\u00fdmi, mechanick\u00fdmi a chemick\u00fdmi vlastnostmi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Materi\u00e1ly BK7 a K9 jsou vhodn\u011bj\u0161\u00ed pro optick\u00e9 syst\u00e9my pracuj\u00edc\u00ed p\u0159i b\u011b\u017en\u00fdch teplot\u00e1ch. Nejsou v\u0161ak prvn\u00ed volbou pro vysokoteplotn\u00ed pece, monitorov\u00e1n\u00ed spalov\u00e1n\u00ed, plazmov\u00e1 za\u0159\u00edzen\u00ed ani aplikace s teplotn\u00edmi cykly. Pokud syst\u00e9m zahrnuje rychl\u00e9 zah\u0159\u00edv\u00e1n\u00ed a ochlazov\u00e1n\u00ed, m\u011bli by kupuj\u00edc\u00ed zohlednit tak\u00e9 tepelnou rozta\u017enost, mont\u00e1\u017en\u00ed nap\u011bt\u00ed a konstrukci t\u011bsn\u011bn\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V p\u0159\u00edpad\u011b tepeln\u00fdch podm\u00ednek by se v\u00fdb\u011br materi\u00e1lu nem\u011bl zakl\u00e1dat pouze na pr\u016fhlednosti. Je t\u0159eba posoudit celou okenn\u00ed sestavu, a to v\u010detn\u011b:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tlou\u0161\u0165ka okna<\/li>\n\n\n\n<li>\u010cist\u00e1 apertura<\/li>\n\n\n\n<li>Zp\u016fsob mont\u00e1\u017ee<\/li>\n\n\n\n<li>Materi\u00e1l t\u011bsn\u011bn\u00ed<\/li>\n\n\n\n<li>Nesoulad tepeln\u00e9 rozta\u017enosti<\/li>\n\n\n\n<li>Kvalita povrchu<\/li>\n\n\n\n<li>Zkosen\u00ed hrany<\/li>\n\n\n\n<li>Rychlost teplotn\u00edch cykl\u016f<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Saf\u00edr je odoln\u011bj\u0161\u00ed v\u016f\u010di extr\u00e9mn\u00edm teplot\u00e1m, av\u0161ak nevhodn\u00e1 konstrukce uchycen\u00ed m\u016f\u017ee i tak zp\u016fsobit nam\u00e1h\u00e1n\u00ed a prasknut\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">10. Chemick\u00e1 odolnost a odolnost v\u016f\u010di vliv\u016fm prost\u0159ed\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V chemick\u00e9m, vakuov\u00e9m, plazmov\u00e9m, n\u00e1mo\u0159n\u00edm, l\u00e9ka\u0159sk\u00e9m, polovodi\u010dov\u00e9m pr\u016fmyslu nebo p\u0159i venkovn\u00edm pou\u017eit\u00ed m\u016f\u017ee b\u00fdt odolnost v\u016f\u010di vliv\u016fm prost\u0159ed\u00ed d\u016fle\u017eit\u011bj\u0161\u00ed ne\u017e z\u00e1kladn\u00ed optick\u00e1 propustnost.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Saf\u00edr se vyzna\u010duje vysokou odolnost\u00ed proti korozi a opot\u0159eben\u00ed, a proto se \u010dasto pou\u017e\u00edv\u00e1 pro sn\u00edma\u010de a pozorovac\u00ed ok\u00e9nka v n\u00e1ro\u010dn\u00fdch pr\u016fmyslov\u00fdch prost\u0159ed\u00edch. Sklo BK7\/K9 se osv\u011bd\u010duje v b\u011b\u017en\u00fdch optick\u00fdch syst\u00e9mech, je v\u0161ak m\u00e9n\u011b vhodn\u00e9 pro pou\u017eit\u00ed v podm\u00ednk\u00e1ch siln\u00e9ho chemick\u00e9ho p\u016fsoben\u00ed, eroze \u010d\u00e1sticemi, p\u016fsoben\u00ed plazmy nebo opakovan\u00e9ho agresivn\u00edho \u010di\u0161t\u011bn\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Saf\u00edr by m\u011bl b\u00fdt zv\u00e1\u017een v n\u00e1sleduj\u00edc\u00edch p\u0159\u00edpadech:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pr\u016fhledov\u00e1 okna chemick\u00fdch reaktor\u016f<\/li>\n\n\n\n<li>Okna vakuov\u00e9 komory<\/li>\n\n\n\n<li>Sledov\u00e1n\u00ed plazmov\u00e9ho procesu<\/li>\n\n\n\n<li>Vysokotlak\u00e9 plynov\u00e9 syst\u00e9my<\/li>\n\n\n\n<li>Venkovn\u00ed optick\u00e9 senzory<\/li>\n\n\n\n<li>Zdravotnick\u00e1 za\u0159\u00edzen\u00ed nebo prostory ur\u010den\u00e9 ke sterilizaci<\/li>\n\n\n\n<li>Polovodi\u010dov\u00e1 za\u0159\u00edzen\u00ed<\/li>\n\n\n\n<li>Drsn\u00e9 \u010distic\u00ed postupy<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">BK7\/K9 je vhodn\u011bj\u0161\u00ed pro:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Laboratorn\u00ed optick\u00e9 stoly<\/li>\n\n\n\n<li>Optika fotoapar\u00e1tu<\/li>\n\n\n\n<li>Obecn\u00e9 \u010do\u010dky a hranoly<\/li>\n\n\n\n<li>Chr\u00e1n\u011bn\u00e1 optick\u00e1 ok\u00e9nka<\/li>\n\n\n\n<li>N\u00edzkon\u00e1kladov\u00e9 syst\u00e9my vyu\u017e\u00edvaj\u00edc\u00ed viditeln\u00e9 sv\u011btlo<\/li>\n\n\n\n<li>Vzd\u011bl\u00e1vac\u00ed a kontroln\u00ed za\u0159\u00edzen\u00ed<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">11. N\u00e1ro\u010dnost zpracov\u00e1n\u00ed a n\u00e1klady<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Sklo BK7\/K9 se sn\u00e1ze \u0159e\u017ee, brous\u00ed, le\u0161t\u00ed, pokr\u00fdv\u00e1 povlakem a zpracov\u00e1v\u00e1 na \u010do\u010dky \u010di hranoly. D\u00edky tomu je vhodn\u00e9 pro optick\u00e9 syst\u00e9my s omezen\u00fdm rozpo\u010dtem i pro slo\u017eit\u00e9 optick\u00e9 tvary.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Saf\u00edr je mnohem tvrd\u0161\u00ed a jeho obr\u00e1b\u011bn\u00ed je n\u00e1ro\u010dn\u011bj\u0161\u00ed. \u0158ez\u00e1n\u00ed, brou\u0161en\u00ed, lapov\u00e1n\u00ed, le\u0161t\u011bn\u00ed, vrt\u00e1n\u00ed, sr\u00e1\u017een\u00ed hran a povrchov\u00e1 \u00faprava saf\u00edru obvykle vy\u017eaduj\u00ed v\u00edce \u010dasu, sofistikovan\u011bj\u0161\u00ed vybaven\u00ed a p\u0159\u00edsn\u011bj\u0161\u00ed kontrolu v\u00fdrobn\u00edho procesu. Proto jsou saf\u00edrov\u00e1 ok\u00e9nka zpravidla dra\u017e\u0161\u00ed ne\u017e sklen\u011bn\u00e1 ok\u00e9nka z BK7\/K9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e1klady by se m\u011bly posuzovat na z\u00e1klad\u011b celkov\u00e9ho v\u00fdkonu syst\u00e9mu, nikoli pouze na z\u00e1klad\u011b jednotkov\u00e9 ceny. Pokud je nutn\u00e9 BK7\/K9 \u010dasto vym\u011b\u0148ovat kv\u016fli po\u0161kr\u00e1b\u00e1n\u00ed, tepeln\u00e9mu po\u0161kozen\u00ed nebo chemick\u00e9mu p\u016fsoben\u00ed, m\u016f\u017ee saf\u00edr sn\u00ed\u017eit dlouhodob\u00e9 n\u00e1klady na \u00fadr\u017ebu. Pokud se v\u0161ak jedn\u00e1 o \u010dist\u00fd optick\u00fd p\u0159\u00edstroj ur\u010den\u00fd pro vnit\u0159n\u00ed pou\u017eit\u00ed, m\u016f\u017ee b\u00fdt BK7\/K9 rozumn\u011bj\u0161\u00ed volbou.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">12. Jak\u00fd materi\u00e1l byste si m\u011bli vybrat?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Kdy zvolit Sapphire:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Okno je vystaveno od\u011bru nebo \u010dast\u00e9mu \u010di\u0161t\u011bn\u00ed.<\/li>\n\n\n\n<li>Tento syst\u00e9m zahrnuje vysok\u00e9 teploty nebo teplotn\u00ed cykly.<\/li>\n\n\n\n<li>Toto ok\u00e9nko se pou\u017e\u00edv\u00e1 v tlakov\u00fdch, vakuov\u00fdch, plynov\u00fdch nebo chemick\u00fdch prost\u0159ed\u00edch.<\/li>\n\n\n\n<li>Aplikace vy\u017eaduje optick\u00fd p\u0159\u00edstup z UV do IR.<\/li>\n\n\n\n<li>Okno mus\u00ed b\u00fdt odoln\u00e9 proti po\u0161kr\u00e1b\u00e1n\u00ed, aby vydr\u017eelo dlouhodob\u00e9 pou\u017e\u00edv\u00e1n\u00ed.<\/li>\n\n\n\n<li>Tato optick\u00e1 sou\u010d\u00e1stka je sou\u010d\u00e1st\u00ed sn\u00edma\u010de ur\u010den\u00e9ho pro n\u00e1ro\u010dn\u00e9 podm\u00ednky.<\/li>\n\n\n\n<li>Toto ok\u00e9nko se pou\u017e\u00edv\u00e1 v polovodi\u010dov\u00e9m pr\u016fmyslu, leteck\u00e9m a kosmick\u00e9m pr\u016fmyslu, obrann\u00e9m pr\u016fmyslu, v laserov\u00e9 technice nebo v pr\u016fmyslov\u00fdch za\u0159\u00edzen\u00edch.<\/li>\n\n\n\n<li>V\u00fdm\u011bna je n\u00e1ro\u010dn\u00e1 nebo prostoje jsou n\u00e1kladn\u00e9.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Kdy zvolit sklo BK7\/K9:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Syst\u00e9m pracuje p\u0159ev\u00e1\u017en\u011b ve viditeln\u00e9m spektru.<\/li>\n\n\n\n<li>Optick\u00e1 sou\u010d\u00e1stka je chr\u00e1n\u011bna uvnit\u0159 p\u0159\u00edstroje.<\/li>\n\n\n\n<li>Kontrola n\u00e1klad\u016f je d\u016fle\u017eit\u00e1.<\/li>\n\n\n\n<li>Jedn\u00e1 se o \u010do\u010dku, hranol, podklad pro zrcadlo nebo obecn\u011b o ok\u00e9nko.<\/li>\n\n\n\n<li>Prost\u0159ed\u00ed je \u010dist\u00e9 a stabiln\u00ed.<\/li>\n\n\n\n<li>Vysok\u00e1 tvrdost a odolnost v\u016f\u010di vysok\u00fdm teplot\u00e1m nejsou vy\u017eadov\u00e1ny.<\/li>\n\n\n\n<li>D\u016fle\u017eit\u00e9 jsou rychl\u00e9 prototypov\u00e1n\u00ed a snadn\u00e1 v\u00fdroba.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">13. Typick\u00e9 p\u0159\u00edklady pou\u017eit\u00ed<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u017d\u00e1dost<\/td><td>Lep\u0161\u00ed v\u00fdb\u011br materi\u00e1lu<\/td><td>D\u016fvod<\/td><\/tr><tr><td>\u010clen objektivu fotoapar\u00e1tu<\/td><td>BK7\/K9<\/td><td>Dobr\u00fd optick\u00fd v\u00fdkon a kontrola n\u00e1klad\u016f<\/td><\/tr><tr><td>Laboratorn\u00ed optick\u00e9 ok\u00e9nko<\/td><td>BK7\/K9<\/td><td>Snadno se z\u00edsk\u00e1v\u00e1 a zpracov\u00e1v\u00e1<\/td><\/tr><tr><td>Laserov\u00e9 ochrann\u00e9 ok\u00e9nko v n\u00e1ro\u010dn\u00fdch podm\u00ednk\u00e1ch<\/td><td>Sapphire<\/td><td>Vy\u0161\u0161\u00ed tvrdost a odolnost<\/td><\/tr><tr><td>Pr\u016fhledov\u00e9 ok\u00e9nko pece<\/td><td>Sapphire<\/td><td>Lep\u0161\u00ed odolnost v\u016f\u010di vysok\u00fdm teplot\u00e1m<\/td><\/tr><tr><td>Pr\u016fhledov\u00e9 ok\u00e9nko vakuov\u00e9 komory<\/td><td>Sapphire<\/td><td>Lep\u0161\u00ed mechanick\u00e9 a chemick\u00e9 vlastnosti<\/td><\/tr><tr><td>Kryt venkovn\u00edho sn\u00edma\u010de<\/td><td>Sapphire<\/td><td>Lep\u0161\u00ed odolnost proti po\u0161kr\u00e1b\u00e1n\u00ed a pov\u011btrnostn\u00edm vliv\u016fm<\/td><\/tr><tr><td>N\u00e1kladov\u011b nen\u00e1ro\u010dn\u00e9 ok\u00e9nko pro vizu\u00e1ln\u00ed kontrolu<\/td><td>BK7\/K9<\/td><td>Ekonomick\u00e9 a dosta\u010duj\u00edc\u00ed<\/td><\/tr><tr><td>Procesn\u00ed okno polovodi\u010d\u016f<\/td><td>Sapphire<\/td><td>Vy\u0161\u0161\u00ed odolnost v\u016f\u010di plazm\u011b, teplu a \u010di\u0161t\u011bn\u00ed<\/td><\/tr><tr><td>Obecn\u00fd hranol<\/td><td>BK7\/K9<\/td><td>Jednodu\u0161\u0161\u00ed zpracov\u00e1n\u00ed a stabiln\u00ed optick\u00e1 konstrukce<\/td><\/tr><tr><td>Optick\u00e9 ok\u00e9nko pro vysokotlak\u00fd plyn<\/td><td>Sapphire<\/td><td>Vy\u0161\u0161\u00ed mechanick\u00e1 pevnost a bezpe\u010dnostn\u00ed rezerva<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">14. Kontroln\u00ed seznam pro kupuj\u00edc\u00edho p\u0159ed zad\u00e1n\u00edm objedn\u00e1vky<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159ed v\u00fdb\u011brem saf\u00edru, skla BK7 nebo K9 by si kupuj\u00edc\u00ed m\u011bli ov\u011b\u0159it:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Po\u017eadavek<\/td><td>Pro\u010d je to d\u016fle\u017eit\u00e9<\/td><\/tr><tr><td>Rozsah vlnov\u00fdch d\u00e9lek<\/td><td>Ur\u010duje optickou propustnost a konstrukci povlaku<\/td><\/tr><tr><td>Provozn\u00ed teplota<\/td><td>Stanovuje po\u017eadavky na tepelnou stabilitu<\/td><\/tr><tr><td>Vystaven\u00ed chemick\u00fdm l\u00e1tk\u00e1m<\/td><td>Stanovuje po\u017eadavky na odolnost proti korozi<\/td><\/tr><tr><td>Tlak nebo podtlak<\/td><td>Ur\u010duje tlou\u0161\u0165ku a proveden\u00ed t\u011bsn\u011bn\u00ed<\/td><\/tr><tr><td>Riziko od\u011bru<\/td><td>Stanovuje po\u017eadavky na tvrdost<\/td><\/tr><tr><td>Optick\u00e1 p\u0159esnost<\/td><td>Ur\u010duje rovinnost, rovnob\u011b\u017enost a po\u017eadavky na vlnovou frontu<\/td><\/tr><tr><td>Citlivost na polarizaci<\/td><td>D\u016fle\u017eit\u00e9 pro orientaci saf\u00edru<\/td><\/tr><tr><td>Kvalita povrchu<\/td><td>Ovliv\u0148uje rozptyl, zobrazov\u00e1n\u00ed a bezpe\u010dnost laser\u016f<\/td><\/tr><tr><td>Povlak<\/td><td>Zlep\u0161uje p\u0159enos p\u0159i c\u00edlov\u00e9 vlnov\u00e9 d\u00e9lce<\/td><\/tr><tr><td>Mno\u017estv\u00ed a rozpo\u010det<\/td><td>Ovliv\u0148uje volbu materi\u00e1lu a zp\u016fsobu zpracov\u00e1n\u00ed<\/td><\/tr><tr><td>Obt\u00ed\u017enost v\u00fdm\u011bny<\/td><td>Pom\u00e1h\u00e1 porovnat po\u0159izovac\u00ed n\u00e1klady s n\u00e1klady za celou dobu \u017eivotnosti<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Saf\u00edr, sklo BK7 a sklo K9 jsou sice u\u017eite\u010dn\u00e9 optick\u00e9 materi\u00e1ly, ale v ka\u017ed\u00e9m optick\u00e9m syst\u00e9mu nejsou vz\u00e1jemn\u011b zam\u011bniteln\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Skla BK7 a K9 p\u0159edstavuj\u00ed vynikaj\u00edc\u00ed volbu pro b\u011b\u017en\u00e9 optick\u00e9 syst\u00e9my, zejm\u00e9na pokud hraj\u00ed d\u016fle\u017eitou roli n\u00e1klady, dostupnost, propustnost ve viditeln\u00e9m spektru a snadn\u00e1 opracovatelnost. \u0160iroce se pou\u017e\u00edvaj\u00ed pro v\u00fdrobu \u010do\u010dek, hranol\u016f, oken a laboratorn\u00edch optick\u00fdch komponent\u016f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Saf\u00edr je lep\u0161\u00ed volbou v p\u0159\u00edpadech, kdy mus\u00ed optick\u00e9 ok\u00e9nko odol\u00e1vat n\u00e1ro\u010dn\u00fdm provozn\u00edm podm\u00ednk\u00e1m. D\u00edky sv\u00e9 vysok\u00e9 tvrdosti, odolnosti proti po\u0161kr\u00e1b\u00e1n\u00ed, chemick\u00e9 stabilit\u011b, tepeln\u00e9 odolnosti a \u0161irok\u00e9mu spektru optick\u00e9 propustnosti je vhodn\u00fd pro tlakov\u00e9 syst\u00e9my, vakuov\u00e1 pr\u016fhledov\u00e1 ok\u00e9nka, pr\u016fmyslov\u00e9 senzory, polovodi\u010dov\u00e1 za\u0159\u00edzen\u00ed, laserov\u00e1 ok\u00e9nka a ochrannou optiku pro venkovn\u00ed pou\u017eit\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pro kupuj\u00edc\u00ed z\u00e1vis\u00ed volba nejvhodn\u011bj\u0161\u00edho \u0159e\u0161en\u00ed na konkr\u00e9tn\u00edm pou\u017eit\u00ed. Pokud m\u00e1 ok\u00e9nko pouze propou\u0161t\u011bt viditeln\u00e9 sv\u011btlo v \u010dist\u00e9m a chr\u00e1n\u011bn\u00e9m prost\u0159ed\u00ed, \u010dasto posta\u010d\u00ed BK7\/K9. Pokud v\u0161ak mus\u00ed ok\u00e9nko chr\u00e1nit syst\u00e9m p\u0159ed teplem, tlakem, od\u011brem, chemik\u00e1liemi, plazmou nebo opakovan\u00fdm \u010di\u0161t\u011bn\u00edm, je z dlouhodob\u00e9ho hlediska obvykle bezpe\u010dn\u011bj\u0161\u00edm materi\u00e1lem saf\u00edr.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u010cASTO KLADEN\u00c9 DOTAZY<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Je sklo K9 tot\u00e9\u017e jako BK7?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sklo K9 nebo H-K9L se \u010dasto pou\u017e\u00edv\u00e1 jako ekvivalent optick\u00e9ho korunov\u00e9ho skla BK7, zejm\u00e9na v \u010d\u00ednsk\u00e9m optick\u00e9m pr\u016fmyslu. Odb\u011bratel\u00e9 by si v\u0161ak m\u011bli ov\u011b\u0159it p\u0159esn\u00fd typ a technick\u00fd list, proto\u017ee pojem \u201cK9\u201d se p\u0159i jedn\u00e1n\u00edch o dod\u00e1vk\u00e1ch m\u016f\u017ee pou\u017e\u00edvat v \u0161irok\u00e9m smyslu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Je saf\u00edr lep\u0161\u00ed ne\u017e sklo BK7?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Saf\u00edr je vhodn\u011bj\u0161\u00ed z hlediska tvrdosti, odolnosti proti po\u0161kr\u00e1b\u00e1n\u00ed, pou\u017eit\u00ed p\u0159i vysok\u00fdch teplot\u00e1ch, chemick\u00e9 odolnosti a v n\u00e1ro\u010dn\u00fdch podm\u00ednk\u00e1ch. BK7 je vhodn\u011bj\u0161\u00ed pro cenov\u011b citliv\u00e9 obecn\u00e9 optick\u00e9 syst\u00e9my, \u010do\u010dky, hranoly a chr\u00e1n\u011bn\u00e9 aplikace ve viditeln\u00e9m spektru.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. M\u00e1 saf\u00edr lep\u0161\u00ed optickou propustnost ne\u017e BK7?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Z\u00e1le\u017e\u00ed na vlnov\u00e9 d\u00e9lce a konkr\u00e9tn\u00edm pou\u017eit\u00ed. BK7 pod\u00e1v\u00e1 velmi dobr\u00e9 v\u00fdsledky v mnoha syst\u00e9mech pracuj\u00edc\u00edch ve viditeln\u00e9m spektru. Saf\u00edr je vhodn\u011bj\u0161\u00ed v p\u0159\u00edpadech, kdy je vy\u017eadov\u00e1n \u0161ir\u0161\u00ed rozsah od UV po IR nebo odolnost v\u016f\u010di drsn\u00fdm podm\u00ednk\u00e1m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Pro\u010d je saf\u00edr dra\u017e\u0161\u00ed ne\u017e sklo BK7\/K9?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Saf\u00edr je mnohem tvrd\u0161\u00ed a jeho \u0159ez\u00e1n\u00ed, brou\u0161en\u00ed, le\u0161t\u011bn\u00ed, vrt\u00e1n\u00ed a povrchov\u00e1 \u00faprava jsou mnohem n\u00e1ro\u010dn\u011bj\u0161\u00ed. N\u00e1klady na materi\u00e1l i na zpracov\u00e1n\u00ed jsou u n\u011bj vy\u0161\u0161\u00ed ne\u017e u b\u011b\u017en\u00e9ho optick\u00e9ho korunov\u00e9ho skla.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Mohou BK7\/K9 nahradit saf\u00edrov\u00e1 ok\u00e9nka?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Materi\u00e1l BK7\/K9 m\u016f\u017ee nahradit saf\u00edr pouze v p\u0159\u00edpad\u011b, \u017ee dan\u00e1 aplikace nevy\u017eaduje vysokou tvrdost, odolnost v\u016f\u010di vysok\u00fdm teplot\u00e1m, chemickou odolnost, odolnost v\u016f\u010di tlaku ani odolnost v\u016f\u010di drsn\u00fdm podm\u00ednk\u00e1m. Pro n\u00e1ro\u010dn\u00e9 pr\u016fmyslov\u00e9 syst\u00e9my je saf\u00edr obvykle bezpe\u010dn\u011bj\u0161\u00ed volbou.<\/p>","protected":false},"excerpt":{"rendered":"<p>When engineers design optical systems, the window material is not just a transparent cover. It affects transmission, imaging quality, thermal stability, mechanical durability, sealing reliability, cost, and long-term performance. Sapphire, BK7, and K9 glass are all common optical materials, but they are suitable for different working conditions. BK7 and K9 are widely used in lenses, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2648,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"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":[17],"tags":[1025,1030,165,1027,1026,1029,1028,48,468,164,1024,1023,54],"class_list":["post-2647","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-bk7-optical-glass","tag-bk7-window","tag-custom-sapphire-window","tag-h-k9l-glass","tag-k9-optical-glass","tag-optical-glass-comparison","tag-optical-system-design","tag-optical-window-materials","tag-sapphire-glass","tag-sapphire-optical-window","tag-sapphire-vs-bk7","tag-sapphire-vs-k9-glass","tag-sapphire-window"],"_links":{"self":[{"href":"https:\/\/www.sapphire-windows.com\/cs\/wp-json\/wp\/v2\/posts\/2647","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sapphire-windows.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sapphire-windows.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sapphire-windows.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sapphire-windows.com\/cs\/wp-json\/wp\/v2\/comments?post=2647"}],"version-history":[{"count":1,"href":"https:\/\/www.sapphire-windows.com\/cs\/wp-json\/wp\/v2\/posts\/2647\/revisions"}],"predecessor-version":[{"id":2649,"href":"https:\/\/www.sapphire-windows.com\/cs\/wp-json\/wp\/v2\/posts\/2647\/revisions\/2649"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sapphire-windows.com\/cs\/wp-json\/wp\/v2\/media\/2648"}],"wp:attachment":[{"href":"https:\/\/www.sapphire-windows.com\/cs\/wp-json\/wp\/v2\/media?parent=2647"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sapphire-windows.com\/cs\/wp-json\/wp\/v2\/categories?post=2647"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sapphire-windows.com\/cs\/wp-json\/wp\/v2\/tags?post=2647"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}