{"id":3302,"date":"2024-06-26T18:00:00","date_gmt":"2024-06-26T18:00:00","guid":{"rendered":"https:\/\/www.neurobiology.sk\/vedeckakaviaren\/?p=3302"},"modified":"2024-07-23T07:28:30","modified_gmt":"2024-07-23T07:28:30","slug":"dlha-cesta-ku-super-kratkym-laserovym-pulzom","status":"publish","type":"post","link":"https:\/\/www.neurobiology.sk\/vedeckakaviaren\/2024\/06\/26\/dlha-cesta-ku-super-kratkym-laserovym-pulzom\/","title":{"rendered":"Dlh\u00e1 cesta ku super-kr\u00e1tkym (laserov\u00fdm) pulzom."},"content":{"rendered":"\n<p>J\u00fanov\u00e1 vedeck\u00e1 kaviare\u0148 bola v\u00fdzvou pre na\u0161u fant\u00e1ziu a predstavivos\u0165. Viete si predstavi\u0165 \u010dasov\u00fd \u00fasek, ktor\u00fd je takouto \u010das\u0165ou sekundy 1\/1000000000000000 ? Mysl\u00edm, \u017ee je to rovnako nemo\u017en\u00e9 ako predstavi\u0165 si nekone\u010dnos\u0165 vesm\u00edru, aspo\u0148 pre mnoh\u00fdch z n\u00e1s ur\u010dite. A predsa s\u00fa \u013eudia, ktor\u00ed si tak\u00e9to extr\u00e9mne veli\u010diny nielen vedia predstavi\u0165, ale s nimi aj re\u00e1lne pracuj\u00fa. Aj v Ko\u0161iciach. To aby sme aspo\u0148 z\u00edskali predstavu o tom ak\u00e1 kr\u00e1tka je to chv\u00ed\u013ea, a hlavne to na \u010do je dobr\u00e9 tak\u00fdmito extra-ultra-kr\u00e1tkymi javmi zaobera\u0165 n\u00e1m pri\u0161iel uk\u00e1za\u0165 a vysvetli\u0165 <strong>doc. Mgr. Gregor B\u00e1n\u00f3, PhD. z \u00dastavu fyzik\u00e1lnych vied PF UPJ\u0160 v Ko\u0161iciach<\/strong>, ktor\u00fd tieto kratu\u010dk\u00e9 sveteln\u00e9 z\u00e1blesky vyu\u017e\u00edva, ale to nech rad\u0161ej vysvetl\u00ed p\u00e1n docent v pripojenom videu s\u00e1m. <\/p>\n\n\n\n<p>Len kr\u00e1tka anot\u00e1cia jeho predn\u00e1\u0161ky: <em>Kr\u00e1tke sveteln\u00e9 pulzy na \u00farovni femtosek\u00fand (1\/1000000000000000 s) sa dnes be\u017ene pou\u017e\u00edvaj\u00fa vo vedeckej praxi. Ako pr\u00edklad vyu\u017eitia femtosekundov\u00fdch laserov v Ko\u0161iciach V\u00e1m pribl\u00ed\u017eime v\u00fdvoj mikrorobotov ovl\u00e1dan\u00fdch pomocou optickej pinzety. Pozornos\u0165 sveta sa obr\u00e1tila ku kr\u00e1tkym sveteln\u00fdm pulzom, ke\u010f minul\u00fd rok z\u00edskali Nobelovu cenu za fyziku vedci, ktor\u00ed vytvorili e\u0161te krat\u0161ie, atosekundov\u00e9 pulzy. Vyd\u00e1me sa preto na cestu, ktor\u00e1 viedla k tomuto novodob\u00e9mu \u00faspechu laserovej fyziky.<\/em><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Ko\u0161ick\u00e1 vedeck\u00e1 kaviare\u0148 - Gregor B\u00e1n\u00f3\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/wO9mKvcrcpA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><figcaption class=\"wp-element-caption\">(c) Ing. T. \u010ci\u017em\u00e1rik (kamera), Mgr. M. Bystriansky (spracovanie)<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>J\u00fanov\u00e1 vedeck\u00e1 kaviare\u0148 bola v\u00fdzvou pre na\u0161u fant\u00e1ziu a predstavivos\u0165. Viete si predstavi\u0165 \u010dasov\u00fd \u00fasek, ktor\u00fd je takouto \u010das\u0165ou sekundy 1\/1000000000000000 ? Mysl\u00edm, \u017ee je to rovnako nemo\u017en\u00e9 ako predstavi\u0165 si nekone\u010dnos\u0165 vesm\u00edru, aspo\u0148 pre mnoh\u00fdch z n\u00e1s ur\u010dite. A predsa s\u00fa \u013eudia, ktor\u00ed si tak\u00e9to extr\u00e9mne veli\u010diny nielen vedia predstavi\u0165, ale s nimi aj [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3308,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.neurobiology.sk\/vedeckakaviaren\/wp-json\/wp\/v2\/posts\/3302"}],"collection":[{"href":"https:\/\/www.neurobiology.sk\/vedeckakaviaren\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.neurobiology.sk\/vedeckakaviaren\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.neurobiology.sk\/vedeckakaviaren\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.neurobiology.sk\/vedeckakaviaren\/wp-json\/wp\/v2\/comments?post=3302"}],"version-history":[{"count":6,"href":"https:\/\/www.neurobiology.sk\/vedeckakaviaren\/wp-json\/wp\/v2\/posts\/3302\/revisions"}],"predecessor-version":[{"id":3310,"href":"https:\/\/www.neurobiology.sk\/vedeckakaviaren\/wp-json\/wp\/v2\/posts\/3302\/revisions\/3310"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.neurobiology.sk\/vedeckakaviaren\/wp-json\/wp\/v2\/media\/3308"}],"wp:attachment":[{"href":"https:\/\/www.neurobiology.sk\/vedeckakaviaren\/wp-json\/wp\/v2\/media?parent=3302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.neurobiology.sk\/vedeckakaviaren\/wp-json\/wp\/v2\/categories?post=3302"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.neurobiology.sk\/vedeckakaviaren\/wp-json\/wp\/v2\/tags?post=3302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}