Ukuqaphela ukuxhumana nge-optical fiber kusekelwe esimisweni sokubonakaliswa kokukhanya okuphelele.
Uma ukukhanya kusakazeka phakathi kwe-fiber optical, inkomba yokukhanya n1 ye-fiber core iphakeme kuneye-cladding n2, futhi ukulahlekelwa kwe-core kuphansi kunokwe-cladding, ukuze ukukhanya kubonakale ngokuphelele, futhi amandla okukhanya kwawo adluliselwa kakhulu enkabeni. Ngenxa yokukhanya okuphelele okulandelanayo, ukukhanya kungadluliselwa kusuka komunye umkhawulo kuya komunye.
Ihlukaniswe ngemodi yokudlulisela: imodi eyodwa kanye nemodi eminingi.
Imodi eyodwa inobubanzi obuncane obuyi-core futhi ingadlulisela amaza okukhanya emodi eyodwa kuphela.
I-fiber ye-optical yemodi eminingi inobubanzi obukhulu futhi ingadlulisela amaza okukhanya ngezindlela eziningi.
Singakwazi futhi ukuhlukanisa i-fiber optical yemodi eyodwa ne-fiber optical yemodi eminingi ngombala wokubukeka.
Iningi lemicu ye-optical yemodi eyodwa inejakethi ephuzi kanye nesixhumi esiluhlaza okwesibhakabhaka, kanti i-cable core ingu-9.0 μm. Kunezinhlobo ezimbili zamaza aphakathi ze-fiber yemodi eyodwa: 1310 nm kanye no-1550 nm. I-1310 nm ivame ukusetshenziselwa ukudlulisa ibanga elifushane, ibanga eliphakathi noma ibanga elide, kanti i-1550 nm isetshenziselwa ukudlulisa ibanga elide kanye nebanga elide kakhulu. Ibanga lokudlulisa lincike emandleni okudlulisa emojuli ye-optical. Ibanga lokudlulisa le-port yemodi eyodwa engu-1310 nm lingu-10 km, 30 km, 40 km, njll., kanti ibanga lokudlulisa le-port yemodi eyodwa engu-1550 nm lingu-40 km, 70 km, 100 km, njll.
Imicu ye-optical yemodi eminingi ikakhulukazi iyijakethi e-orenji/empunga enezixhumi ezimnyama/ezi-beige, ama-core angu-50.0 μm kanye no-62.5 μm. Ububanzi be-wavelength ephakathi ye-fiber yemodi eminingi ngokuvamile bungu-850 nm. Ibanga lokudlulisela le-fiber yemodi eminingi lifushane kakhulu, ngokuvamile lingaphakathi kwamamitha angu-500.
Isikhathi sokuthunyelwe: Feb-17-2023