{"id":53793,"date":"2019-12-10T00:00:00","date_gmt":"2019-12-09T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/sozdano-bumazhnoe-optovolokno-kotoroe-perevernyot-mir-datchikov-vlazhnosti"},"modified":"2020-02-18T14:01:43","modified_gmt":"2020-02-18T11:01:43","slug":"sozdano-bumazhnoe-optovolokno-kotoroe-perevernyot-mir-datchikov-vlazhnosti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/sozdano-bumazhnoe-optovolokno-kotoroe-perevernyot-mir-datchikov-vlazhnosti","title":{"rendered":"Ett \"pappers\" optiskt fiber har skapats som kommer att revolutionera v\u00e4rlden av fuktighetssensorer","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

F\u00f6r en tid sedan publicerades det i tidskriften Cellulose publicerat<\/a><\/noindex> en studie av finska forskare som ber\u00e4ttade om skapandet av optiskt fiber av cellulosa. Id\u00e9n att skapa ljusledande fibr\u00f6sa strukturer formulerades f\u00f6r f\u00f6rsta g\u00e5ngen 1910. M\u00e5nga decennier senare blev optiska fiberkablar en vardaglig verklighet och ett oumb\u00e4rligt verktyg f\u00f6r energieffektiv informationstransmission \u00f6ver tiotusentals kilometer.<\/p>\n

\"Ett<\/p>\n

Det cellulosa-baserade optiska fiber som skapades av finska forskare \u00e4r inte l\u00e4mpligt f\u00f6r telekommunikation. D\u00e4mpningen av ljus i det \u00e4r f\u00f6r h\u00f6g \u2013 upp till 6,3 dB per centimeter i \u00f6ppna luften f\u00f6r en v\u00e5gl\u00e4ngd av 1300 nm. I vatten \u00f6kade d\u00e4mpningen till 30 dB per centimeter. Men just denna egenskap har visat sig vara mest efterfr\u00e5gad. S\u00e5dana cellulosa-baserade optiska fibrer, tack vare sin inneboende f\u00f6rm\u00e5ga att suga upp vatten, kommer att vara en v\u00e4rdefull och praktisk l\u00f6sning f\u00f6r fuktm\u00e4tning.<\/p>\n

V\u00e4rlden av smarta sensorer och Internet of Things kan f\u00e5 flexibla, l\u00e5nga och enkla, samt energieffektiva sensorer f\u00f6r fuktm\u00e4tning. S\u00e5dana l\u00f6sningar kan integreras i grunderna av byggnader och konstruktioner f\u00f6r att \u00f6vervaka fuktighet i monolitiska strukturer, till exempel f\u00f6r att \u00f6vervaka niv\u00e5er av \u00f6versv\u00e4mnings- och grundvatten. B\u00e4rbar elektronik kan berikas med fuktighetssensorer f\u00f6r kropp och kl\u00e4der, vilket \u00e4r anv\u00e4ndbart i hemmet f\u00f6r att \u00f6vervaka sm\u00e5 barns tillst\u00e5nd och f\u00f6r friluftsentusiaster.<\/p>\n

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\"Ett<\/p>\n

Optiska fibrer av plastmaterial har redan etablerat sig p\u00e5 marknaden f\u00f6r sensorer f\u00f6r insamling av seismiska data, inklusive \u00e4ven \u00f6vervakning av stads trafik<\/a><\/noindex> och s\u00e4rskilt h\u00f6ga ljud p\u00e5 gatorna (skott, ljud av olyckor och liknande). Med introduktionen av cellulosa-baserade optiska fibrer kommer anv\u00e4ndningsomr\u00e5det f\u00f6r flexibla, termiskt stabila och h\u00e5llbara optiska kablar att utvidgas till fukt\u00f6vervakning, n\u00e5got som plastoptiska fibrer inte kan g\u00f6ra.<\/p>\n

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K\u00e4lla: 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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