{"id":13848,"date":"2023-08-21T01:54:51","date_gmt":"2023-08-21T01:54:51","guid":{"rendered":"https:\/\/staging.rayzeek.com\/?p=13848"},"modified":"2023-12-26T08:40:47","modified_gmt":"2023-12-26T08:40:47","slug":"what-is-luminous-flux","status":"publish","type":"post","link":"https:\/\/staging.rayzeek.com\/cs\/glossary\/what-is-luminous-flux\/","title":{"rendered":"Co je sv\u011bteln\u00fd tok"},"content":{"rendered":"

Co je sv\u011bteln\u00fd tok<\/h2>\n\n\n

Sv\u011bteln\u00fd tok, zn\u00e1m\u00fd tak\u00e9 jako sv\u011bteln\u00fd v\u00fdkon, je z\u00e1kladn\u00edm pojmem v osv\u011btlovac\u00ed technice, kter\u00fd kvantifikuje vn\u00edman\u00fd v\u00fdkon sv\u011btla. Konkr\u00e9tn\u011b m\u011b\u0159\u00ed celkov\u00e9 mno\u017estv\u00ed viditeln\u00e9ho sv\u011btla vyza\u0159ovan\u00e9ho sv\u011bteln\u00fdm zdrojem nebo sv\u00edtidlem. Sv\u011bteln\u00fd tok se m\u011b\u0159\u00ed v lumenech (lm), co\u017e je jednotka m\u011b\u0159en\u00ed t\u00e9to veli\u010diny.<\/p>\n\n\n\n

D\u016fle\u017eit\u00fd rozd\u00edl, kter\u00fd je t\u0159eba poznamenat, spo\u010d\u00edv\u00e1 v tom, \u017ee sv\u011bteln\u00fd tok se li\u0161\u00ed od z\u00e1\u0159iv\u00e9ho toku, kter\u00fd m\u011b\u0159\u00ed celkov\u00fd v\u00fdkon elektromagnetick\u00e9ho z\u00e1\u0159en\u00ed vyza\u0159ovan\u00e9ho sv\u011bteln\u00fdm zdrojem, v\u010detn\u011b viditeln\u00e9ho i neviditeln\u00e9ho z\u00e1\u0159en\u00ed. Sv\u011bteln\u00fd tok zohled\u0148uje prom\u011bnlivou citlivost lidsk\u00e9ho oka na r\u016fzn\u00e9 vlnov\u00e9 d\u00e9lky sv\u011btla a zaji\u0161\u0165uje tak p\u0159esn\u00e9 vyj\u00e1d\u0159en\u00ed vn\u00edman\u00e9ho jasu sv\u011btla.<\/p>\n

Mohlo by v\u00e1s tak\u00e9 zaj\u00edmat<\/h3>
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