Cov xim fiber ntau ntawm optical fiber feem ntau muab faib ua peb txheej: tub ntxhais, cladding thiab txheej.
Cov tub ntxhais kawm fiber ntau thiab txheej txheem yog tsim ntawm iav nrog cov ntsiab lus zoo sib txawv, muaj lub siab refractive index iav qhov nruab nrab hauv qhov nruab nrab thiab qis qis refractive index silica iav cladding hauv nruab nrab. Lub teeb nkag mus rau optical fiber ntawm lub teeb meem tshwj xeeb ntawm lub kaum ntse ntse, thiab tag nrho cov teeb meem tshwm sim nruab nrab ntawm cov hluav taws xob kho qhov muag thiab kev tuav pov thawj, kom nws tuaj yeem tawm mus rau hauv qhov kho qhov muag.
Lub luag haujlwm tseem ceeb ntawm lub txheej yog tiv thaiv cov fiber ntau los ntawm kev puas tsuaj sab nraud, thaum nce ntxiv qhov yooj ntawm fiber ntau. Raws li tau hais dhau los, cov tub ntxhais thiab cov cladding yog ua los ntawm cov iav thiab tsis tuaj yeem khoov thiab tsis yooj yim. Kev siv cov txheej txheej tiv thaiv thiab ua rau lub neej ntev ntawm qhov kho qhov muag fiber.
Ib txheej txheej ntawm cov hnab riam sab nraud yog ntxiv rau sab nraud ntawm qhov tsis muaj kab dawb. Ntxiv rau nws cov txiaj ntsig kev tiv thaiv, cov hnab riam sab nraud ntawm cov xim sib txawv kuj tseem siv tau los ua kom paub ntau yam sib txawv.
