Thaum lub teeb ci tuaj ntawm ib qho kawg ntawm lub fiber ntau thiab tawm los ntawm lwm qhov, qhov siv ntawm lub teeb tsawg dua. Tom qab lub teeb liab hluav taws xob kis tau los ntawm cov hluav taws xob kho qhov muag, ib feem ntawm lub teeb hluav taws xob ploj, uas qhia tau tias qee yam tshuaj lossis qee qhov laj thawj hauv qhov kho qhov muag fiber thaiv kev hla ntawm lub teeb liab kho qhov muag.
Qhov sibtham sibtham yog hais txog lub ntsej muag ntawm qhov ntev ntawm cov khoom siv fiber ntau, chav tsev yog dB / km. Qib qib ntawm cov hluav taws xob fiber ntau cuam tshuam qhov kev sib kis ntawm cov hluav taws xob fiber ntau thiab qhov kev ncua deb ntawm cov chaw txuas. Yog li, txhawm rau ua kom lub teeb liab kho kom zoo sib kis, peb yuav tsum txo qis kom tsis txhob muaj cov fiber ntau.
Kev ploj ntawm optical fiber yuav raug faib ua kev poob ntxiv thiab qhov tsis poob: qhov poob ntxiv yog tshwm sim los ntawm tib neeg cov txheej txheem hauv txheej txheem ntawm kev tso cov fiber ntau. Nyob rau tib lub sijhawm, khoov, nro thiab extrusion ntawm optical fiber tseem yuav ua rau poob.
Lub xam qhovkev poob suav nrog kev tawg, poob thiab poob los ntawm cov qauv fiber ntau tsis zoo. Ntawm lawv, cov nplai poob thiab qhov nqus poob yog txiav txim siab los ntawm cov yam ntxwv ntawm cov khoom siv fiber kho qhov muag nws tus kheej, thiab cov khoom siv kho qhov muag hluav taws xob yuav sib txawv thaum ua haujlwm wavelength txawv.
Nrog txoj kev loj hlob thiab nrov hauv kev sib txuas lus, kev sib txuas lus fiber ntau tau siv dav hauv ntau qhov chaw hauv xyoo tsis ntev los no. Thaum txhim kho kev xa xov bandwidth, engineers kuj pib nrog poob fiber ntau, thiab tas li tsim kho qis qis kho qhov muag kom muaj fiber ntau zog los txhim kho kev ua kom zoo dua. Yog li no, kev nkag siab thiab txo cov poob ntawm optical fiber muaj qhov tseem ceeb tseem ceeb rau kev sib txuas lus fiber ntau.
