{"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\/ro\/blog\/news\/sozdano-bumazhnoe-optovolokno-kotoroe-perevernyot-mir-datchikov-vlazhnosti","title":{"rendered":"A fost creat un fibr\u0103 optic\u0103 \u201ede h\u00e2rtie\u201d care va revolu\u021biona lumea senzorilor de umiditate","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Cu ceva timp \u00een urm\u0103, \u00een revista Cellulose a fost publicat<\/a><\/noindex> o cercetare a unor oameni de \u0219tiin\u021b\u0103 finlandezi, care au relatat despre crearea unui fibr\u0103 optic\u0103 din celuloz\u0103. Ideea de a crea structuri fibroadapt\u0103toare care conduc lumina s-a conturat pentru prima dat\u0103 \u00een 1910. Multe decenii mai t\u00e2rziu, cablurile de fibr\u0103 optic\u0103 au devenit o realitate de zi cu zi \u0219i un mijloc indispensabil de transmitere eficient\u0103 a informa\u021biilor pe zeci de mii de kilometri.<\/p>\n

\"A<\/p>\n

Fibra optic\u0103 din celuloz\u0103 creat\u0103 de oamenii de \u0219tiin\u021b\u0103 finlandezi nu este potrivit\u0103 pentru telecomunica\u021bii. Atenuarea luminii este prea mare \u2014 p\u00e2n\u0103 la 6,3 dB pe centimetru \u00een aer pentru o lungime de und\u0103 de 1300 nm. \u00cen ap\u0103, atenuarea cre\u0219tea p\u00e2n\u0103 la 30 dB pe centimetru. Dar exact aceast\u0103 caracteristic\u0103 s-a dovedit a fi cea mai c\u0103utat\u0103. Astfel de fire optice din celuloz\u0103, datorit\u0103 propriet\u0103\u021bii lor \u00eenn\u0103scute de a absorbi ap\u0103, se vor dovedi a fi o solu\u021bie valoroas\u0103 \u0219i convenabil\u0103 pentru m\u0103surarea umidit\u0103\u021bii.<\/p>\n

Lumea senzorilor inteligen\u021bi \u0219i a obiectelor conectate la internet poate beneficia de senzori flexibili, extin\u0219i \u0219i simpli, precum \u0219i eficien\u021bi din punct de vedere energetic pentru m\u0103surarea umidit\u0103\u021bii. Astfel de solu\u021bii pot fi integrate \u00een funda\u021biile cl\u0103dirilor \u0219i structurilor pentru a monitoriza umiditatea \u00een structuri monolitice, de exemplu, pentru a controla nivelul apelor de inunda\u021bie \u0219i a apelor subterane. Electronica purtabil\u0103 poate fi \u00eembog\u0103\u021bit\u0103 cu senzori de umiditate pentru corp \u0219i \u00eembr\u0103c\u0103minte, ceea ce va fi util \u00een via\u021ba de zi cu zi pentru a monitoriza starea copiilor mici \u0219i a celor pasiona\u021bi de activit\u0103\u021bi \u00een aer liber.<\/p>\n

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\"A<\/p>\n

Fibra optic\u0103 din materiale plastice \u0219i-a g\u0103sit deja o ni\u0219\u0103 \u00een senzorii pentru colectarea datelor seismice, inclusiv chiar monitorizarea traficului urban<\/a><\/noindex> \u0219i zgomotele puternice de pe str\u0103zile ora\u0219elor (\u00eempu\u0219c\u0103turi, sunete de accidente \u0219i altele asem\u0103n\u0103toare). Odat\u0103 cu apari\u021bia fibrelor optice din celuloz\u0103, domeniul de utilizare a cablurilor optice flexibile, rezistente la c\u0103ldur\u0103 \u0219i durabile se va extinde pentru a include monitorizarea umidit\u0103\u021bii, lucru pe care firele optice din plastic nu-l pot face \u00een principiu.<\/p>\n

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

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