Ukuqonda unxibelelwano lwefayibha ye-optical kusekelwe kumgaqo wokubonakalisa ukukhanya ngokupheleleyo.
Xa ukukhanya kusasazeka embindini we-optical fiber, i-refractive index n1 ye-fiber core iphezulu kuneye-cladding n2, kwaye ukulahleka kwe-core kuphantsi kune-cladding, ukuze ukukhanya kubonakale ngokupheleleyo, kwaye amandla okukhanya kwawo adluliselwa ikakhulu kwi-core. Ngenxa yokukhanya okupheleleyo ngokulandelelanayo, ukukhanya kunokudluliselwa ukusuka kwelinye icala ukuya kwelinye.
Ihlelwe ngokwendlela yokudlulisela: imowudi enye kunye nemowudi ezininzi.
Imowudi enye inobubanzi obuncinci be-core kwaye inokudlulisa amaza okukhanya emowudi enye kuphela.
I-fiber ye-optical ye-Multi-mode inobubanzi obukhulu be-core kwaye inokudlulisa amaza okukhanya ngeendlela ezahlukeneyo.
Singakwazi ukwahlula i-single-mode optical fiber kwi-multi-mode optical fiber ngombala wembonakalo.
Uninzi lweefayibha ze-optical zemowudi enye zinejakethi etyheli kunye nesixhumi esiluhlaza okwesibhakabhaka, kwaye i-cable core yi-9.0 μm. Kukho ubude obubini obuphakathi befayibha yemowudi enye: i-1310 nm kunye ne-1550 nm. I-1310 nm isetyenziswa ngokubanzi kwi-transmission yomgama omfutshane, umgama ophakathi okanye umgama omde, kwaye i-1550 nm isetyenziselwa i-transmission yomgama omde kunye nomgama omde kakhulu. Umgama we-transmission uxhomekeke kumandla okuhambisa we-optical module. Umgama we-transmission we-port ye-1310 nm enye yi-10 km, 30 km, 40 km, njl.njl., kwaye umgama we-transmission we-port ye-1550 nm enye yi-40 km, 70 km, 100 km, njl.njl.
Iifayibha ze-optical ze-multi-mode ikakhulu zi-orenji/grey jacket enezihlanganisi ezimnyama/beige, ii-cores ezingama-50.0 μm kunye nama-62.5 μm. Ububanzi bomda obuphakathi befayibha ye-multi-mode ngokubanzi yi-850 nm. Umgama wokudluliselwa kwefayibha ye-multi-mode mfutshane kakhulu, ngokubanzi ngaphakathi kwe-500 m.
Ixesha leposi: Februwari-17-2023