{"id":65655,"date":"2023-05-09T06:36:40","date_gmt":"2023-05-09T04:36:40","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/laser-jak-dziala-i-gdzie-jest-wykorzystywany\/"},"modified":"2023-07-13T13:36:10","modified_gmt":"2023-07-13T11:36:10","slug":"laser-jak-funguje-a-kde-se-pouziva","status":"publish","type":"post","link":"https:\/\/botland.cz\/blog\/laser-jak-funguje-a-kde-se-pouziva\/","title":{"rendered":"Laser – Jak funguje a kde se pou\u017e\u00edv\u00e1?"},"content":{"rendered":"\u010cas \u010dten\u00ed:<\/span> 4<\/span> min.<\/span><\/span>\t\t
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Laser – jak funguje a kde se pou\u017e\u00edv\u00e1?<\/h2>\n\n\n

\nBez nich by \u0159ada technologick\u00fdch proces\u016f byla mnohem slo\u017eit\u011bj\u0161\u00ed a primitivn\u011bj\u0161\u00ed a v\u011bdeckofantastick\u00e9 filmy a koncerty Pink Floyd a Jeana-Michela Jarreho by nebyly takov\u00e9 jako d\u0159\u00edv – poznejte lasery!\n<\/p>\n

Lasery v praktick\u00fdch aplikac\u00edch<\/h2>\n\n\n

\nTento \u010dl\u00e1nek p\u0159edstavuje konstrukci, princip fungov\u00e1n\u00ed a praktick\u00e9 vyu\u017eit\u00ed laser\u016f.\n<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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L.A.S.E.R. - zkratka, kter\u00e1 se stala spisovn\u00fdm slovem<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\nP\u0159esto\u017ee se slovo “laser” v\u017eilo jako plnohodnotn\u00e9 slovo, p\u00edsmena, kter\u00e1 ho tvo\u0159\u00ed, jsou zkratkou, kter\u00e1 zjednodu\u0161en\u011b definuje princip fungov\u00e1n\u00ed tohoto vyn\u00e1lezu. V\u00fdvoj zkratky L.A.S.E.R. je “Light Amplification by Stimulated Emission of Radiation”, co\u017e v p\u0159ekladu znamen\u00e1 “zes\u00edlen\u00ed sv\u011btla nucenou emis\u00ed z\u00e1\u0159en\u00ed”. Samotn\u00e1 zkratka a jej\u00ed v\u00fdvoj jsou jen \u0161pi\u010dkou ledovce – pod\u00edvejme se, jak laser funguje od z\u00e1kladu!\n<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Idea fungov\u00e1n\u00ed laseru<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Sv\u011bteln\u00e1 energie excituje elektrony v atomech optick\u00fdch materi\u00e1l\u016f, kter\u00e9 se p\u0159esunou na orbitu s vy\u0161\u0161\u00ed energi\u00ed. Kdy\u017e se elektrony samovoln\u011b nebo po “stimulaci” sv\u011btlem \u010di energi\u00ed vr\u00e1t\u00ed na svou norm\u00e1ln\u00ed ob\u011b\u017enou dr\u00e1hu, vyza\u0159uj\u00ed \u010d\u00e1stice sv\u011btla zvan\u00e9 fotony. Laserov\u00e9 sv\u011btlo vznik\u00e1, kdy\u017e elektrony v atomech optick\u00fdch materi\u00e1l\u016f, jako je sklo, krystal nebo plyn, absorbuj\u00ed energii elektrick\u00e9ho proudu nebo sv\u011btla. <\/p>\n\t\t\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

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Tato dodate\u010dn\u00e1 energie “nabud\u00ed” elektrony natolik, \u017ee se p\u0159esunou z ni\u017e\u0161\u00ed energetick\u00e9 dr\u00e1hy na vy\u0161\u0161\u00ed energetickou dr\u00e1hu kolem j\u00e1dra atomu. Laser vyu\u017e\u00edv\u00e1 kvantov\u00fdch vlastnost\u00ed atom\u016f, kter\u00e9 absorbuj\u00ed a vyza\u0159uj\u00ed \u010d\u00e1stice sv\u011btla zvan\u00e9 fotony. Kdy\u017e se elektrony v atomech vr\u00e1t\u00ed na svou norm\u00e1ln\u00ed ob\u011b\u017enou dr\u00e1hu – neboli do “z\u00e1kladn\u00edho” stavu – bu\u010f samovoln\u011b, nebo jsou “vybuzeny” sv\u011btlem \u010di jin\u00fdm zdrojem energie, v n\u011bkter\u00fdch p\u0159\u00edpadech dokonce jin\u00fdm laserem, vyza\u0159uj\u00ed dal\u0161\u00ed fotony.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Vlnov\u00e1 povaha laserov\u00e9ho sv\u011btla<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\nSv\u011btlo se pohybuje ve vln\u00e1ch. B\u011b\u017en\u00e9 viditeln\u00e9 sv\u011btlo, nap\u0159\u00edklad z dom\u00e1c\u00ed \u017e\u00e1rovky nebo baterky, se skl\u00e1d\u00e1 z mnoha vlnov\u00fdch d\u00e9lek nebo barev a je nekoherentn\u00ed, co\u017e znamen\u00e1, \u017ee h\u0159ebeny a \u00fadol\u00ed sv\u011bteln\u00fdch vln se pohybuj\u00ed v r\u016fzn\u00fdch vlnov\u00fdch d\u00e9lk\u00e1ch a v r\u016fzn\u00fdch sm\u011brech. V laserov\u00e9m paprsku jsou sv\u011bteln\u00e9 vlny “koherentn\u00ed” – svazek foton\u016f se pohybuje stejn\u00fdm sm\u011brem a m\u00e1 stejnou vlnovou d\u00e9lku. Toho se dos\u00e1hne tak, \u017ee se nabit\u00e9 elektrony vys\u00edlaj\u00ed p\u0159es optick\u00e9 “zesilovac\u00ed m\u00e9dium”, jako je pevn\u00fd materi\u00e1l, nap\u0159\u00edklad sklo, nebo plyn.\n<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Vlnov\u00e1 d\u00e9lka laserov\u00e9ho sv\u011btla<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\nKonkr\u00e9tn\u00ed vlnov\u00e1 d\u00e9lka sv\u011btla z\u00e1vis\u00ed na mno\u017estv\u00ed energie uvoln\u011bn\u00e9 p\u0159i p\u00e1du excitovan\u00e9ho elektronu na ni\u017e\u0161\u00ed ob\u011b\u017enou dr\u00e1hu. \u00darove\u0148 vnesen\u00e9 energie lze nastavit podle materi\u00e1lu v zesilovac\u00edm m\u00e9diu, aby bylo dosa\u017eeno po\u017eadovan\u00e9 barvy paprsku. Zrcadlo na jedn\u00e9 stran\u011b optick\u00e9ho materi\u00e1lu laseru odr\u00e1\u017e\u00ed foton zp\u011bt k elektron\u016fm. Prostor mezi zrcadly neboli “dutina” je navr\u017een tak, aby foton po\u017eadovan\u00fd pro ur\u010dit\u00fd typ optick\u00e9ho zesilovac\u00edho m\u00e9dia byl p\u0159iv\u00e1d\u011bn zp\u011bt do m\u00e9dia a stimuloval emisi t\u00e9m\u011b\u0159 p\u0159esn\u00e9ho klonu tohoto fotonu. Ob\u011b \u010d\u00e1stice se pohybuj\u00ed stejn\u00fdm sm\u011brem a stejnou rychlost\u00ed, aby se odrazily od dal\u0161\u00edho zrcadla na druh\u00e9 stran\u011b a zopakovaly proces klonov\u00e1n\u00ed. Ze dvou se stanou \u010dty\u0159i, ze \u010dty\u0159 osm a tak d\u00e1le, dokud se fotony nezes\u00edl\u00ed natolik, aby v\u0161echny pro\u0161ly zrcadly a optick\u00fdm materi\u00e1lem v dokonal\u00e9 harmonii. P\u0159edstavte si je jako synchronizovan\u00e9 \u010dleny pochodov\u00e9 kapely na Rose Parade. Tato kombinace dod\u00e1v\u00e1 laseru v\u00fdkon. Laserov\u00e9 paprsky mohou z\u016fstat ost\u0159e zam\u011b\u0159en\u00e9 na velk\u00e9 vzd\u00e1lenosti, dokonce i na M\u011bs\u00edc a zp\u011bt. Z\u00e1kladn\u00ed laser, jako je \u010derven\u00fd rub\u00ednov\u00fd laser, se skl\u00e1d\u00e1 z ty\u010de z rub\u00ednov\u00fdch krystal\u016f se zrcadlem na obou konc\u00edch a sv\u00edtilny. Sv\u011bteln\u00fd z\u00e1blesk z bleskov\u00e9 lampy dod\u00e1v\u00e1 energii uvnit\u0159 prutu, excituje atomy rub\u00ednu a vytv\u00e1\u0159\u00ed sv\u011bteln\u00e9 \u010d\u00e1stice zvan\u00e9 fotony. Fotony dopadaj\u00ed na atomy a vytv\u00e1\u0159ej\u00ed dal\u0161\u00ed a dal\u0161\u00ed fotony, kter\u00e9 se odr\u00e1\u017eej\u00ed mezi zrcadly v ty\u010di. Po\u010det foton\u016f je tak velk\u00fd, \u017ee projdou jedn\u00edm ze zrcadel, kter\u00e9 je \u010d\u00e1ste\u010dn\u011b reflexn\u00ed, a objev\u00ed se laserov\u00fd paprsek.\n<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Lasery v\u0161ude kolem n\u00e1s<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Laserov\u00fd zesilova\u010d v NIF k vytvo\u0159en\u00ed pulzu o s\u00edle 500 TW. Autor: Lawrence Livermore National Laboratory - vlastn\u00ed tvorba, CC BY-SA 3.0, https:\/\/commons.wikimedia.org\/w\/index.php?curid=20512199<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\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
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Lasery existuj\u00ed od roku 1960, i kdy\u017e jejich my\u0161lenka poch\u00e1z\u00ed ji\u017e z roku 1900 (viz “Odkaz laser\u016f a pr\u016fkopn\u00edci laserov\u00e9 f\u00faze”). Dnes se lasery vyr\u00e1b\u011bj\u00ed v mnoha velikostech, tvarech, barv\u00e1ch a v\u00fdkonech a pou\u017e\u00edvaj\u00ed se ke v\u0161emu mo\u017en\u00e9mu, od chirurgick\u00fdch z\u00e1krok\u016f v nemocnic\u00edch p\u0159es sn\u00edma\u010de \u010d\u00e1rov\u00fdch k\u00f3d\u016f v obchodech s potravinami a\u017e po dom\u00e1c\u00ed p\u0159ehr\u00e1v\u00e1n\u00ed hudby, film\u016f a videoher. Mo\u017en\u00e1 jste podstoupili operaci LASIK, kter\u00e1 koriguje v\u00e1\u0161 zrak pomoc\u00ed mal\u00e9ho laseru. N\u011bkter\u00e9 lasery, nap\u0159\u00edklad rub\u00ednov\u00e9 lasery, vys\u00edlaj\u00ed kr\u00e1tk\u00e9 sv\u011bteln\u00e9 pulzy. Jin\u00e9 lasery, nap\u0159\u00edklad helium-neonov\u00e9 nebo lasery s kapaln\u00fdm barvivem, vyza\u0159uj\u00ed kontinu\u00e1ln\u00ed sv\u011btlo. NIF, stejn\u011b jako rub\u00ednov\u00fd laser, vys\u00edl\u00e1 sv\u011bteln\u00e9 pulzy trvaj\u00edc\u00ed pouh\u00e9 miliardtiny sekundy. <\/p>\n\t\t\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<\/div>\n\t\t<\/section>\n\t\t\t\t

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Laserov\u00e9 sv\u011btlo nemus\u00ed b\u00fdt viditeln\u00e9. Paprsky NIF za\u010d\u00ednaj\u00ed jako neviditeln\u00e9 infra\u010derven\u00e9 sv\u011btlo a pot\u00e9 proch\u00e1zej\u00ed speci\u00e1ln\u00ed optikou, kter\u00e1 je transformuje na viditeln\u00e9 zelen\u00e9 sv\u011btlo a pot\u00e9 na neviditeln\u00e9 vysokoenergetick\u00e9 ultrafialov\u00e9 sv\u011btlo, aby byla zaji\u0161t\u011bna optim\u00e1ln\u00ed interakce s c\u00edlem. Lasery mohou b\u00fdt mal\u00e9 mikro\u010dipov\u00e9 sou\u010d\u00e1stky nebo mohou b\u00fdt tak obrovsk\u00e9 jako NIF, nejv\u011bt\u0161\u00ed a nejenergeti\u010dt\u011bj\u0161\u00ed laser na sv\u011bt\u011b, kter\u00fd se nach\u00e1z\u00ed v budov\u011b vysok\u00e9 10 pater a \u0161irok\u00e9 t\u0159i fotbalov\u00e1 h\u0159i\u0161t\u011b.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Lasery - pou\u017eit\u00ed v medic\u00edn\u011b<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\nLasery se hojn\u011b vyu\u017e\u00edvaj\u00ed v l\u00e9ka\u0159stv\u00ed. Pat\u0159\u00ed mezi n\u011b odstra\u0148ov\u00e1n\u00ed ledvinov\u00fdch kamen\u016f, neinvazivn\u00ed chirurgie, diagnostika rakoviny a radioterapie, korekce o\u010dn\u00ed \u010do\u010dky, endoskopie s optick\u00fdmi vl\u00e1kny pro detekci \u017ealude\u010dn\u00edch a dvan\u00e1ctern\u00edkov\u00fdch v\u0159ed\u016f, l\u00e9\u010dba plicn\u00edch a jatern\u00edch onemocn\u011bn\u00ed, vy\u0161et\u0159en\u00ed mikroorganism\u016f a bun\u011bk, podpora chemick\u00fdch reakc\u00ed, tvorba plazmy, odstra\u0148ov\u00e1n\u00ed polyp\u016f, odstra\u0148ov\u00e1n\u00ed fragment\u016f zub\u016f a zubn\u00ed d\u0159en\u011b posti\u017een\u00fdch gangr\u00e9nou a nekr\u00f3zou a v plastick\u00e9 chirurgii.\n<\/p>\t\t\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

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Lasery - pou\u017eit\u00ed v komunikaci<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\nLaserov\u00e9 sv\u011btlo se pou\u017e\u00edv\u00e1 tak\u00e9 v komunikaci v nej\u0161ir\u0161\u00edm slova smyslu. P\u0159\u00edkladem m\u016f\u017ee b\u00fdt p\u0159enos dat na velk\u00e9 vzd\u00e1lenosti prost\u0159ednictv\u00edm optick\u00fdch komunika\u010dn\u00edch kabel\u016f s n\u00edzkou ztr\u00e1tou sign\u00e1lu, komunikace pod vodou a komunikace ve vesm\u00edru prost\u0159ednictv\u00edm radaru a satelit\u016f.\n<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Lasery - pou\u017eit\u00ed v pr\u016fmyslu<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tPOD\u00cdVEJTE SE NA<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\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
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\nDal\u0161\u00edm odv\u011btv\u00edm, kter\u00e9 p\u0159edstavuje obrovsk\u00e9 pole pro vyu\u017eit\u00ed laser\u016f, je pr\u016fmysl v nej\u0161ir\u0161\u00edm slova smyslu. Sklo a k\u0159emen lze \u0159ezat laserem. V elektronick\u00e9m pr\u016fmyslu se lasery pou\u017e\u00edvaj\u00ed p\u0159i v\u00fdrob\u011b polovodi\u010dov\u00fdch za\u0159\u00edzen\u00ed a integrovan\u00fdch obvod\u016f – za zm\u00ednku stoj\u00ed zejm\u00e9na ultrafialov\u00e9 lasery, kter\u00e9 se pou\u017e\u00edvaj\u00ed ve fotolitografick\u00fdch procesech, nap\u0159. p\u0159i v\u00fdrob\u011b desek plo\u0161n\u00fdch spoj\u016f, mikroprocesor\u016f a dal\u0161\u00edch integrovan\u00fdch obvod\u016f. Lasery lze pou\u017e\u00edt tak\u00e9 ke skenov\u00e1n\u00ed \u010d\u00e1rov\u00fdch k\u00f3d\u016f a QR k\u00f3d\u016f na obalech v\u00fdrobk\u016f. Lasery se pou\u017e\u00edvaj\u00ed tak\u00e9 k vrt\u00e1n\u00ed aerosolov\u00fdch trysek a regula\u010dn\u00edch otvor\u016f s po\u017eadovanou p\u0159esnost\u00ed.\n<\/p>\t\t\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<\/div>\n\t\t<\/section>\n\t\t\t\t

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Lasery ve v\u011bdeck\u00e9m a technick\u00e9m vyu\u017eit\u00ed<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\nBez laser\u016f by byl modern\u00ed v\u00fdzkum a v\u00fdvoj mnohem obt\u00ed\u017en\u011bj\u0161\u00ed. Lasery pom\u00e1haj\u00ed mimo jin\u00e9 p\u0159i studiu Brownova pohybu \u010d\u00e1stic. Pomoc\u00ed helium-neonov\u00e9ho laseru bylo prok\u00e1z\u00e1no, \u017ee rychlost sv\u011btla je ve v\u0161ech sm\u011brech stejn\u00e1. Pomoc\u00ed laseru lze tak\u00e9 vypo\u010d\u00edtat po\u010det atom\u016f v l\u00e1tce. Lasery se v po\u010d\u00edta\u010d\u00edch pou\u017e\u00edvaj\u00ed k na\u010d\u00edt\u00e1n\u00ed ulo\u017een\u00fdch informac\u00ed z CD, na kter\u00e9m jsou data ulo\u017eena v bin\u00e1rn\u00ed podob\u011b. Pou\u017e\u00edvaj\u00ed se k m\u011b\u0159en\u00ed plynn\u00fdch a jin\u00fdch l\u00e1tek zne\u010di\u0161\u0165uj\u00edc\u00edch ovzdu\u0161\u00ed, a proto je lze nal\u00e9zt mezi jin\u00fdmi v detektorech prachu. V astronomii pom\u00e1haj\u00ed lasery p\u0159esn\u011b ur\u010dit rychlost rotace Zem\u011b. Jsou tak\u00e9 d\u016fle\u017eitou pracovn\u00ed sou\u010d\u00e1st\u00ed po\u010d\u00edta\u010dov\u00fdch tisk\u00e1ren. Lze je tak\u00e9 pou\u017e\u00edt k vytv\u00e1\u0159en\u00ed trojrozm\u011brn\u00fdch obraz\u016f v prostoru bez pou\u017eit\u00ed objektivu. Lasery se pou\u017e\u00edvaj\u00ed k detekci seismick\u00fdch ot\u0159es\u016f a podvodn\u00edch jadern\u00fdch v\u00fdbuch\u016f. Diodov\u00fd laser s arsenidem galia lze pou\u017e\u00edt k vytvo\u0159en\u00ed neviditeln\u00e9ho plotu, kter\u00fd chr\u00e1n\u00ed st\u0159e\u017een\u00e9 oblasti p\u0159ed neopr\u00e1vn\u011bn\u00fdm vstupem.\n<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Lasery ve vojensk\u00e9m vyu\u017eit\u00ed<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\nBez laser\u016f se neobejde ani vojensk\u00e1 technika v nej\u0161ir\u0161\u00edm slova smyslu. P\u0159\u00edkladem jsou laserov\u00e9 d\u00e1lkom\u011bry, kter\u00e9 se pou\u017e\u00edvaj\u00ed k ur\u010den\u00ed vzd\u00e1lenosti k objektu. Prstencov\u00fd laserov\u00fd gyroskop se pou\u017e\u00edv\u00e1 k detekci a m\u011b\u0159en\u00ed velmi mal\u00e9ho \u00fahlu nato\u010den\u00ed pohybuj\u00edc\u00edch se objekt\u016f. Lasery lze pou\u017e\u00edt jako skryt\u00e9 osv\u011btlova\u010de pro vysoce p\u0159esn\u00e9 no\u010dn\u00ed vid\u011bn\u00ed a tak\u00e9 k distribuci energie bojov\u00e9 hlavice po\u0161kozen\u00edm st\u0159ely. Krom\u011b toho se v syst\u00e9mech LIDAR pou\u017e\u00edv\u00e1 laserov\u00e9 sv\u011btlo k p\u0159esn\u00e9mu m\u011b\u0159en\u00ed vzd\u00e1lenosti k objektu.\n<\/p>\t\t\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<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Bez nich by \u0159ada technologick\u00fdch proces\u016f byla mnohem slo\u017eit\u011bj\u0161\u00ed a primitivn\u011bj\u0161\u00ed a sci-fi filmy a koncerty Pink Floyd a Jeana-Michela Jarreho by nebyly stejn\u00e9 – seznamte se s lasery!<\/p>\n","protected":false},"author":21,"featured_media":65073,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[548,549],"tags":[],"class_list":["post-65655","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elektronika-cs","category-kompendium-cs"],"acf":[],"yoast_head":"\nLaser - Jak funguje a kde se pou\u017e\u00edv\u00e1? - Botland<\/title>\n<meta name=\"description\" content=\"Lasery se nepou\u017e\u00edvaj\u00ed jen ve sci-fi filmech, ale i v \u0161ir\u0161\u00ed technice - podrobnosti najdete v \u010dl\u00e1nku na blogu Botland!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/botland.cz\/blog\/laser-jak-funguje-a-kde-se-pouziva\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Laser - Jak funguje a kde se pou\u017e\u00edv\u00e1? 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