[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.tarafuki.cz\/co-to-je-hologram\/#Article","mainEntityOfPage":"https:\/\/www.tarafuki.cz\/co-to-je-hologram\/","headline":"Co to je hologram?","name":"Co to je hologram?","description":"Holografie je fotografick\u00e1 technika, kter\u00e1 zaznamen\u00e1v\u00e1 sv\u011btlo rozpt\u00fdlen\u00e9 od objektu a pak jej p\u0159edstavuje zp\u016fsobem, kter\u00fd se zd\u00e1 b\u00fdt trojrozm\u011brn\u00fd. Hologramy se objevuj\u00ed ve filmech, jako jsou Star Wars a…","datePublished":"2023-05-05","dateModified":"2023-05-05","author":{"@type":"Person","@id":"https:\/\/www.tarafuki.cz\/author\/#Person","name":"tarafuki.cz\n","url":"https:\/\/www.tarafuki.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/2b882a21216b34ba28e79730eea9356b725e9a0bf9885ae3bedd792ae606fb10?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/2b882a21216b34ba28e79730eea9356b725e9a0bf9885ae3bedd792ae606fb10?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"tarafuki.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.tarafuki.cz\/wp-content\/uploads\/img_a299049_w2390_t1509124697.jpg","url":"https:\/\/www.tarafuki.cz\/wp-content\/uploads\/img_a299049_w2390_t1509124697.jpg","height":0,"width":0},"url":"https:\/\/www.tarafuki.cz\/co-to-je-hologram\/","about":["Technika"],"wordCount":443,"articleBody":"Holografie je fotografick\u00e1 technika, kter\u00e1 zaznamen\u00e1v\u00e1 sv\u011btlo rozpt\u00fdlen\u00e9 od objektu a pak jej p\u0159edstavuje zp\u016fsobem, kter\u00fd se zd\u00e1 b\u00fdt trojrozm\u011brn\u00fd. Hologramy se objevuj\u00ed ve filmech, jako jsou Star Wars a Iron Man, ale technologie dosud nedos\u00e1hla magie filmu.\u00a0V pr\u016fb\u011bhu let byly vytvo\u0159eny r\u016fzn\u00e9 typy hologram\u016f, v\u010detn\u011b vys\u00edlac\u00edch hologram\u016f, kter\u00e9 umo\u017e\u0148uj\u00ed, aby sv\u011btlo sv\u00edtilo a obraz byl vid\u011bn ze strany; a hologramy z duhy, kter\u00e9 se pou\u017e\u00edvaj\u00ed pro bezpe\u010dnostn\u00ed \u00fa\u010dely – nap\u0159\u00edklad na kreditn\u00edch kart\u00e1ch a \u0159idi\u010dsk\u00fdch pr\u016fkazech.\u00a0\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Jak funguje holografie\u00a0Chcete-li vytvo\u0159it hologram, pot\u0159ebujete objekt (nebo osobu), kter\u00fd chcete zaznamenat. Laserov\u00fd paprsek, kter\u00fd m\u00e1 sv\u00edtit na p\u0159edm\u011bt a z\u00e1znamov\u00e9 m\u00e9dium a jasn\u00e9 prost\u0159ed\u00ed umo\u017e\u0148uj\u00edc\u00ed pr\u016fnik sv\u011bteln\u00fdch paprsk\u016f.\u00a0Laserov\u00fd paprsek je rozd\u011blen na dva identick\u00e9 paprsky a p\u0159esm\u011brov\u00e1n pomoc\u00ed zrcadel. Jeden z d\u011blen\u00fdch paprsk\u016f, osv\u011btlovac\u00ed paprsek nebo objektov\u00fd paprsek, je zam\u011b\u0159en na objekt. N\u011bkter\u00e9 sv\u011btlo se odr\u00e1\u017e\u00ed z p\u0159edm\u011btu na z\u00e1znamov\u00e9 m\u00e9dium.\u00a0Tyto dva paprsky se navz\u00e1jem prot\u00ednaj\u00ed a ru\u0161\u00ed. Vzor interference je to, co je nati\u0161t\u011bno na z\u00e1znamov\u00e9m m\u00e9diu, abychom vytvo\u0159ili virtu\u00e1ln\u00ed obraz, kter\u00fd na\u0161e o\u010di vid\u00ed.\u00a0Nahr\u00e1vac\u00ed m\u00e9dium, ve kter\u00e9m se sb\u00edhaj\u00ed sv\u011btla, m\u016f\u017ee b\u00fdt vyrobeno z r\u016fzn\u00fdch materi\u00e1l\u016f. Jedn\u00edm z nejb\u011b\u017en\u011bj\u0161\u00edch pou\u017e\u00edvan\u00fdch p\u0159i vytv\u00e1\u0159en\u00ed hologramu je fotografick\u00fd film s p\u0159idan\u00fdm mno\u017estv\u00edm zrn reaguj\u00edc\u00edch na sv\u011btlo. To umo\u017e\u0148uje vy\u0161\u0161\u00ed rozli\u0161en\u00ed pro dva paprsky, tak\u017ee obraz vypad\u00e1 mnohem realisti\u010dt\u011bji.\u00a0\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D\u011bjiny holografie\u00a0V\u00fdvoj holografick\u00e9 technologie za\u010dal v roce 1962, kdy byla vyvinuta laserov\u00e1 technologie, kter\u00e1 zaznamen\u00e1vala 3D objekty. Pro z\u00e1znamov\u00e9 m\u00e9dium byly pou\u017eity fotografick\u00e9 emulze s halogenidem st\u0159\u00edbra, i kdy\u017e jasnost t\u011bchto p\u0159edm\u011bt\u016f nebyla v t\u00e9 dob\u011b dokonal\u00e1. Nov\u00e9 metody, kter\u00e9 zahrnuj\u00ed p\u0159em\u011bnu p\u0159enosu s indexem lomu, umo\u017e\u0148uj\u00ed v pr\u016fb\u011bhu \u010dasu zlep\u0161ovat hologramy.\u00a0\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Budoucnost holografie\u00a0Nov\u00e1 holografick\u00e1 technologie se vyv\u00edj\u00ed, jsou projektov\u00e1ny 3D obrazy z jin\u00e9ho m\u00edsta v re\u00e1ln\u00e9m \u010dase. Obrazy jsou tak\u00e9 statick\u00e9, ale jsou obnovov\u00e1ny ka\u017ed\u00e9 dv\u011b vte\u0159iny, co\u017e vytv\u00e1\u0159\u00ed stroboskopick\u00fd efekt pohybu. V\u011bdci doufaj\u00ed, \u017ee v p\u0159\u00ed\u0161t\u00edch n\u011bkolika letech bude technologie vylep\u0161ena, aby p\u0159inesla vy\u0161\u0161\u00ed rozli\u0161en\u00ed a rychlej\u0161\u00ed streamov\u00e1n\u00ed obrazu.                                                                                                                                                                                                                                                                                                                                                                                        3.8\/5 - (9 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Co to je hologram?","item":"https:\/\/www.tarafuki.cz\/co-to-je-hologram\/#breadcrumbitem"}]}]