{"id":167572,"date":"2026-04-05T11:13:24","date_gmt":"2026-04-05T09:13:28","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/besprovodnaya-opticheskaya-svyaz-vnutri-pomeshhenij-pokazala-novye-rekordy-skorosti-i-effektivnosti"},"modified":"2026-04-06T10:29:25","modified_gmt":"2026-04-06T08:29:25","slug":"besprovodnaya-opticheskaya-svyaz-vnutri-pomeshhenij-pokazala-novye-rekordy-skorosti-i-effektivnosti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/besprovodnaya-opticheskaya-svyaz-vnutri-pomeshhenij-pokazala-novye-rekordy-skorosti-i-effektivnosti","title":{"rendered":"Comunicarea optic\u0103 f\u0103r\u0103 fir \u00een interior a stabilit noi recorduri de vitez\u0103 \u0219i eficien\u021b\u0103","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Faimosul \u201ec\u0103ciuli\u021belor din folie de aluminiu\u201d nu va mai fi nevoie, dac\u0103 cineva este \u00eengrijorat de s\u0103n\u0103tate \u00een spa\u021biul \u00eenconjur\u0103tor supraaglomerat de unde radio. Re\u021belele optice wireless promit s\u0103 descarce Wi-Fi-ul din interior, inclusiv din case. Noua tehnologie nu va \u00eenlocui re\u021belele mobile \u0219i punctele de acces Wi-Fi obi\u0219nuite, dar poate rezolva problema lipsei de vitez\u0103 pentru o serie de sarcini \u0219i poate economisi energia consumat\u0103.<\/p>\n<p><img decoding=\"async\" style=\"display: block; margin: 0 auto;\" src=\"\/wp-content\/uploads\/2026\/04\/39958c408aeda7ffdc91c0b3efd42a54.jpg\" alt=\"Comunicarea optic\u0103 f\u0103r\u0103 fir \u00een interior a stabilit noi recorduri de vitez\u0103 \u0219i eficien\u021b\u0103\" \/><\/p>\n<p>Despre o schimbare \u00een dezvoltarea sistemelor de transmisie a datelor wireless optice <a href=\"https:\/\/www.sciencedaily.com\/releases\/2026\/04\/260402042734.htm\" target=\"_blank\" rel=\"nofollow noopener\">au raportat<\/a> ingenierii Societ\u0103\u021bii Interna\u021bionale de Optic\u0103 \u0219i Fotonica (SPIE). Ace\u0219tia au dezvoltat un cip compact cu un ansamblu de lasere semi-conductoare miniaturale (VCSEL, Vertical-Cavity Surface-Emitting Laser), care utilizeaz\u0103 lumina \u00een loc de unde radio pentru a transmite date. \u00cen testele de laborator, sistemul a atins o vitez\u0103 record de 362,7 Gbps, ceea ce dep\u0103\u0219e\u0219te semnificativ capacit\u0103\u021bile re\u021belelor Wi-Fi tradi\u021bionale \u0219i ale re\u021belelor mobile.<\/p>\n<p>Este important c\u0103 eficien\u021ba energetic\u0103 a solu\u021biei propuse s-a dovedit a fi de dou\u0103 ori mai mare dec\u00e2t cea a comunic\u0103rii radio: pentru un bit de informa\u021bie erau necesari aproximativ 1,4 nJ, ceea ce va permite o reducere semnificativ\u0103 a consumului de energie \u00een condi\u021biile unei cre\u0219teri a \u00eenc\u0103rc\u0103turii re\u021belelor.<\/p>\n<p>La baza tehnologiei se afl\u0103 un cip de dimensiuni sub un milimetru, cu un ansamblu de lasere dispuse \u00eentr-o matrice 5\u00d75, unde fiecare element func\u021bioneaz\u0103 independent \u0219i transmite un flux de date separat. Un sistem optic special cu micro-lentile formeaz\u0103 direc\u021bionalitatea fiec\u0103rui fascicul, cre\u00e2nd o re\u021bea uniform\u0103 de zone iluminate pe o distan\u021b\u0103 de p\u00e2n\u0103 la doi metri, f\u0103r\u0103 interferen\u021be reciproce (experimentul a fost realizat \u00eentr-o camer\u0103 obi\u0219nuit\u0103, cu transmiterea semnalului de la emi\u021b\u0103tor la receptor la o distan\u021b\u0103 de doi metri).<\/p>\n<p>Matricea de diode emi\u021b\u0103toare permite deservirea simultan\u0103 a mai multor utilizatori \u00eentr-o singur\u0103 camer\u0103. Modularea semnalului folosind mai multe canale de frecven\u021b\u0103 a asigurat o capacitate de transmitere ridicat\u0103 - p\u00e2n\u0103 la 362,7 Gbps, cu 21 de diode func\u021bion\u00e2nd dintr-un total de 25. Viteza de transmitere ar fi putut fi chiar mai mare, dar a fost limitat\u0103 de un receptor foto accesibil, achizi\u021bionat din magazin, care a fost utilizat \u00een experiment.<\/p>\n<p>Dimensiunile compacte ale cipului de transmisie permit integrarea acestuia \u00een puncte de acces, l\u0103mpi de iluminat \u0219i oriunde altundeva, asigur\u00e2nd o conexiune de mare vitez\u0103 \u00een imediata apropiere a utilizatorului. Dac\u0103 exist\u0103 mai mul\u021bi utilizatori, \u00een modul multi-canal fiecare va primi partea sa din traficul de mare vitez\u0103, ceea ce a fost confirmat de experimentele efectuate \u00een timpul organiz\u0103rii a patru canale separate de comunica\u021bie cu o l\u0103\u021bime de band\u0103 impresionant\u0103. \u00cen acest context, viteza de func\u021bionare a fiec\u0103rui laser din matrice a atins 19 Gbps.<\/p>\n<p>Dezvoltatorii subliniaz\u0103 c\u0103 comunica\u021bia optic\u0103 nu sufer\u0103 de problemele de interferen\u021b\u0103 specifice frecven\u021belor radio, ceea ce este deosebit de important pentru spa\u021biile aglomerate \u2014 birouri, spitale, centre de date \u0219i locuin\u021be. Noua tehnologie nu va \u00eenlocui Wi-Fi sau comunica\u021biile mobile, ci le va completa, prelu\u00e2nd povara principal\u0103 de pe componentele radio ale re\u021belei \u00een spa\u021bii \u00eenchise. Aceasta va deschide calea c\u0103tre re\u021bele f\u0103r\u0103 fir viitoare, mai rapide, mai sigure \u0219i ecologice, unde internetul de mare vitez\u0103 pentru video, realitate virtual\u0103 \u0219i dispozitive IoT va deveni norma cu un consum minim de energie.<\/p>\n<p><strong>Sursa:<\/strong><\/p>\n<ul class=\"related\">\n<li><a title=\"ScienceDaily\" href=\"https:\/\/www.sciencedaily.com\/\" target=\"_blank\" rel=\"nofollow noopener\">ScienceDaily<\/a><\/li>\n<\/ul>\n<p><center><center><\/center><center><\/center><\/center><center><\/center><br \/>\nSursa: <a rel=\"nofollow\" href=\"https:\/\/3dnews.ru\/1139442\">3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0441\u043b\u043e\u0432\u0443\u0442\u044b\u0435 \u00ab\u0448\u0430\u043f\u043e\u0447\u043a\u0438 \u0438\u0437 \u0444\u043e\u043b\u044c\u0433\u0438\u00bb \u0431\u043e\u043b\u044c\u0448\u0435 \u043d\u0435 \u0431\u0443\u0434\u0443\u0442 \u043d\u0443\u0436\u043d\u044b, \u0435\u0441\u043b\u0438 \u043a\u0442\u043e-\u0442\u043e \u043e\u043f\u0430\u0441\u0430\u0435\u0442\u0441\u044f \u0437\u0430 \u0437\u0434\u043e\u0440\u043e\u0432\u044c\u0435 \u0432 \u043f\u0435\u0440\u0435\u043d\u0430\u0441\u044b\u0449\u0435\u043d\u043d\u043e\u043c \u0440\u0430\u0434\u0438\u043e\u0432\u043e\u043b\u043d\u0430\u043c\u0438 \u043e\u043a\u0440\u0443\u0436\u0430\u044e\u0449\u0435\u043c \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0435. \u0411\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u044b\u0435 \u043e\u043f\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0441\u0435\u0442\u0438 \u043e\u0431\u0435\u0449\u0430\u044e\u0442 \u0440\u0430\u0437\u0433\u0440\u0443\u0437\u0438\u0442\u044c Wi-Fi \u0432 \u0437\u0430\u043a\u0440\u044b\u0442\u044b\u0445 \u043f\u043e\u043c\u0435\u0449\u0435\u043d\u0438\u044f\u0445, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u0434\u043e\u043c\u0430\u0448\u043d\u0438\u0435. \u041d\u043e\u0432\u0430\u044f \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044f \u043d\u0435 \u0432\u044b\u0442\u0435\u0441\u043d\u0438\u0442 \u0441\u043e\u0442\u043e\u0432\u0443\u044e \u0441\u0432\u044f\u0437\u044c \u0438 \u043e\u0431\u044b\u0447\u043d\u044b\u0435 \u0442\u043e\u0447\u043a\u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 Wi-Fi, \u043d\u043e \u043c\u043e\u0436\u0435\u0442 \u0440\u0435\u0448\u0438\u0442\u044c \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0443 \u043d\u0435\u0445\u0432\u0430\u0442\u043a\u0438 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0438 \u0434\u043b\u044f \u0440\u044f\u0434\u0430 \u0437\u0430\u0434\u0430\u0447 \u0438 \u0441\u044d\u043a\u043e\u043d\u043e\u043c\u0438\u0442\u044c \u043d\u0430 \u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u0438 \u044d\u043d\u0435\u0440\u0433\u0438\u0438. \u041e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":167573,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-167572","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0435\u0441\u043b\u043e\u0432\u0443\u0442\u044b\u0435 \u00ab\u0448\u0430\u043f\u043e\u0447\u043a\u0438 \u0438\u0437 \u0444\u043e\u043b\u044c\u0433\u0438\u00bb \u0431\u043e\u043b\u044c\u0448\u0435 \u043d\u0435 \u0431\u0443\u0434\u0443\u0442 \u043d\u0443\u0436\u043d\u044b, \u0435\u0441\u043b\u0438 \u043a\u0442\u043e-\u0442\u043e \u043e\u043f\u0430\u0441\u0430\u0435\u0442\u0441\u044f \u0437\u0430 \u0437\u0434\u043e\u0440\u043e\u0432\u044c\u0435 \u0432 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