Yiziphi izici ze-fiber yemodi eyodwa?

Izici ze- I-fiber yemodi eyodwaUmhlahlandlela ophelele

I-fiber yemodi eyodwa (i-SMF) uhlobo lwe-fiber optical eyenzelwe ukuthwala ukukhanya ngqo nge-fiber ngokulahlekelwa okuncane. Isetshenziswa kabanzi kwezokuxhumana kanye nokuxhumana ngenxa yokusebenza kwayo okuphezulu emabangeni amade. Lapha, sihlola izici ezibalulekile ezenza i-SMF isebenze kahle kangaka. ifayibha yemodi eyodwa kube yindlela ekhethwayo yokudlulisa idatha ngesivinini esikhulu.

1. Ububanzi be-core:
I-fibre yemodi eyodwa inobubanzi obuncane bomgogodla, ngokuvamile obungaba ama-micrometer angu-8 kuya kwangu-10. Lo mgogodla omncane uvumela indlela eyodwa yokukhanya ukuthi isakazeke, okunciphisa kakhulu ukusabalala kwe-modal futhi kuvumela ukudluliswa kwedatha emabangeni amade ngaphandle kokuwohloka.I-DACi-ion.

2. Ukuncishiswa okuphansi:
Esinye sezici ezibalulekile ze-fiber yemodi eyodwa izinga layo eliphansi lokunciphisa. Ukunciphisa kubhekisela ekulahlekelweni kwamandla esignali njengoba ihamba nge-fiber. Imicu yemodi eyodwa inamazinga okunciphisa aphansi njengo-0.2 dB/km, okwenza ibe yindawo ekahle ezinhlelweni zokuxhumana ezikude.

3. I-bandwidth ephezulu:
Imicu yemodi eyodwa inikeza amakhono aphezulu kakhulu e-bandwidth. Lokhu kusho ukuthi ingasekela amazinga aphezulu edatha uma kuqhathaniswa nemicu yemodi eminingi. I-bandwidth ephezulu ibalulekile ezinhlelweni zokusebenza ezidinga ukudluliswa kwedatha eningi, njenge-backbones ye-inthanethi kanye nezikhungo zedatha.

4. Ukudluliselwa kwebanga elide:
Ngenxa yokuncipha kwazo okuphansi kanye nobubanzi obuphezulu, imicu yemodi eyodwa ilungele ukudluliselwa kwebanga elide. Ingadlulisa izimpawu ebangeni elingaphezu kwamakhilomitha ayi-100 ngaphandle kwesidingo sama-amplifiers esignali noma ama-repeater, okwenza kube lula ukusetshenziswa kwenethiwekhi enkulu.

5. Ukuhambisana kwe-Wavelength:
Imicu yemodi eyodwa iyahambisana nobubanzi bamaza obubanzi, ngokuvamile asebenza emafasiteleni angu-1310 nm kanye no-1550 nm. Lawa maza obubanzi awakwazi ukulahleka nokusabalala kalula, okuthuthukisa kakhulu ukusebenza kahle nokusebenza kwefayibha.

6. Ukuphazamiseka okuncane:
Imicu yemodi eyodwa ayithinteki kakhulu ekuphazamisekeni okuvela emithonjeni yangaphandle, njengokuphazamiseka kwe-electromagnetic (EMI) kanye nokuphazamiseka kwemvamisa yomsakazo (RFI). Lokhu kuqinisekisa isignali ehlanzekile nethembekile, ebalulekile ezinhlelweni zokuxhumana ezibalulekile.