Ko haɗa al'ummomi ko nahiyoyin duniya, saurin gudu da daidaito sune mahimman buƙatu guda biyu don hanyoyin sadarwar fiber optic waɗanda ke ɗaukar mahimman hanyoyin sadarwa. Masu amfani suna buƙatar hanyoyin haɗin FTTH da sauri da haɗin wayar hannu ta 5G don cimma nasarar maganin telemedicine, abin hawa mai cin gashin kansa, taron bidiyo da sauran aikace-aikacen bandwidth mai ƙarfi. Tare da fitowar babban adadin cibiyoyin bayanai da saurin haɓakar basirar wucin gadi da koyon injin, tare da saurin hanyar sadarwa da sauri da tallafi na 800G da sama, duk halayen fiber sun zama mahimmanci.
Dangane da ma'auni na ITU-T G.650.3, ƙayyadaddun lokaci na yankin reflectometer (OTDR), na'urar gwajin hasara na gani (OLTS), tarwatsawar chromatic (CD), da gwajin yanayin watsawa (PMD) ana buƙatar don yin cikakkiyar tantance fiber kuma tabbatar da babban aikin cibiyar sadarwa. Don haka, sarrafa ƙimar CD shine mabuɗin don tabbatar da ingancin watsawa da inganci.
Ko da yake CD siffa ce ta halitta ta duk filaye na gani, wanda shine fadada bututun watsa shirye-shiryen watsa shirye-shirye a kan nesa mai nisa, bisa ga ma'auni na ITU-T G.650.3, tarwatsawa ya zama matsala ga fibers na gani tare da adadin watsa bayanai ya wuce 10 Gbps. CD na iya tasiri sosai ga ingancin sigina, musamman a cikin tsarin sadarwa mai sauri, kuma gwaji shine mabuɗin magance wannan ƙalubale.
Menene CD?
Lokacin da fitilun fitilu daban-daban suna yaduwa a cikin filaye na gani, tarwatsewar haske na iya haifar da rugujewar bugun jini da murdiya, a ƙarshe yana haifar da raguwar ingancin siginar da ake watsawa. Akwai nau'i biyu na tarwatsewa: tarwatsewar kayan abu da watsawar waveguide.
Watsewar kayan abu wani abu ne da yake da tushe a cikin kowane nau'in fiber na gani, wanda zai iya haifar da tsayin raƙuman ruwa daban-daban don yaduwa cikin sauri daban-daban, wanda ke haifar da tsayin raƙuman raƙuman raƙuman ramuka a lokuta daban-daban.
Watsewar waveguide yana faruwa a tsarin tsarin waveguide na filaye masu gani, inda siginonin gani suke yaduwa ta cikin ainihin da cladding na zaruruwan, waɗanda ke da fihirisa masu karkatarwa daban-daban. Wannan yana haifar da canji a cikin diamita na filin yanayin da kuma bambancin saurin siginar a kowane tsayin raƙuman ruwa.
Tsayawa wani nau'i na CD yana da mahimmanci don guje wa faruwar wasu abubuwan da ba na layi ba, don haka sifilin CD bai dace ba. Amma CD dole ne a sarrafa shi a matakin karɓuwa don gujewa mummunan tasiri akan ingancin sigina da ingancin sabis.
Menene tasirin nau'in fiber akan watsawa?
Kamar yadda aka ambata a baya, CD siffa ce ta halitta ta kowane nau'in fiber na gani, amma nau'in fiber na taka muhimmiyar rawa wajen sarrafa CD. Masu aiki da hanyar sadarwa za su iya zaɓar filaye masu tarwatsewa na “na halitta” ko zaruruwa tare da ɓangarorin tarwatsawa don rage tasirin CD a cikin kewayon kewayon tsayin tsayi.
Fiber da aka fi amfani dashi a cikin hanyoyin sadarwa na yau shine daidaitaccen ITU-T G.652 fiber tare da rarrabuwar yanayi. ITU-T G-653 sifili watsawa canza fiber ba ya goyon bayan DWDM watsa, yayin da G.655 wadanda ba sifili watsawa canja fiber yana da ƙananan CD, amma an inganta don dogon nisa kuma shi ne mafi tsada.
A ƙarshe, dole ne masu aiki su fahimci nau'ikan fiber optics a cikin hanyoyin sadarwar su. Idan yawancin filaye na gani sune daidaitattun G.652, amma wasu nau'ikan fibers ne, to idan ba a iya ganin CD ɗin da ke cikin duk hanyoyin haɗin gwiwa ba, ingancin sabis ɗin zai shafi.
A karshe
Watsawa na chromatic ya kasance ƙalubale wanda dole ne a magance shi don tabbatar da aminci da ingancin tsarin sadarwa mai sauri. Halayen fiber da gwaji sune mabuɗin don warware rikice-rikicen tarwatsewa, suna ba da haske ga masu fasaha da injiniyoyi don ƙira, turawa, da kula da abubuwan more rayuwa waɗanda ke ɗaukar mahimman hanyoyin sadarwa na duniya. Tare da ci gaba da ci gaba da haɓaka hanyar sadarwa, Softel zai ci gaba da haɓakawa da ƙaddamar da mafita ga kasuwa, yana jagorantar hanyar tallafawa karɓar fasahar ci gaba.
Lokacin aikawa: Maris 20-2025