Ka'idar sadarwa ta gani
Ka'idar sadarwa ita ce kamar haka. A ƙarshen aikawa, bayanan da ake watsawa (kamar murya) yakamata a fara canza su zuwa siginonin lantarki, sannan a canza siginar lantarki zuwa na'urar laser da laser (madogarar haske) ke fitarwa, don haka tsananin haske ya bambanta da amplitude (mita) na siginar lantarki kuma ta hanyar ka'idar jimlar hasken haske, ana watsa siginar siginar a cikin fiber na gani. attenuated da kuma gurbata bayan an watsa ta nesa.Ana haɓaka siginar da aka rage a mai maimaitawar gani don gyara gurɓataccen igiyar ruwa. A ƙarshen karɓar, mai ganowa yana karɓar siginar gani kuma ya canza shi zuwa siginar lantarki, wanda aka lalatar don dawo da bayanan asali.
Fa'idodin watsa fiber na gani:
● Babban ƙarfin sadarwa, tsayin nisa na sadarwa, babban hankali, kuma babu tsangwama daga hayaniya
● Ƙananan ƙananan, nauyin nauyi, tsawon rai, inganci mai kyau da ƙananan farashi
● Rufewa, juriya mai tsayi, babban zafin jiki, lalata, daidaitawa mai ƙarfi
● Babban sirri
●Tsarin albarkatun ƙasa da ƙarancin ƙarfi: Mafi mahimmancin albarkatun ƙasa don yin fiber quartz shine silica, wanda shine yashi, kuma yashi yana da yawa.
Sadarwar fiber na gani yana kunshe da jerin na'urorin sadarwa na gani. ba a dabi'a ba, don haka farashinsa ya ragu. Ana rarraba na'urorin gani zuwa na'urori masu aiki da na'urori masu wucewa. siginar lantarki zuwa siginar gani ko jujjuya siginar gani zuwa siginar lantarki, kuma ita ce zuciyar tsarin watsawa na gani. Na'urorin da ba a iya gani ba su ne na'urorin da ke buƙatar wani adadin kuzari a cikin tsarin sadarwa na gani amma ba su da photoelectric ko electro- juyawa na gani.Su ne mabuɗin kuɗaɗɗen tsarin watsawa na gani, gami da masu haɗin fiber optic, mahaɗar rabe-raben tsayin raƙuman raƙuman ruwa, masu raba gani, da maɓalli na gani., Na'urar zazzagewar gani da masu keɓewar gani.
● Fiber optic patch igiyoyin (wanda kuma aka sani da fiber optic connectors) koma zuwa haši matosai a kan biyu gefen na USB domin Tantancewar hanya aiki connection.Fitogin a karshen daya ake kira pigtail.
● Matsakaicin maɗaukakiyar raƙuman ruwa (WDM) ya haɗu da jerin sigina na gani tare da nau'i daban-daban kuma yana watsa su tare da fiber na gani guda ɗaya.Dabarar sadarwa wacce ke raba siginonin gani na tsawon zango daban-daban ta wasu hanyoyi a ƙarshen karɓa.
● Optical splitter (wanda kuma aka sani da splitter) shine na'urar tandem na fiber-optic tare da abubuwa da yawa da kuma abubuwan da aka samu. Bisa ga ka'idar rarrabawa, za a iya raba na'urar firikwensin zuwa nau'i biyu: nau'in narkar da taper da nau'in waveguide na shirin (planar waveguide). PLC irin).
● Canjawar gani shine na'urar sauyawa ta gani, wanda shine na'urar gani tare da tashar watsawa ɗaya ko fiye na zaɓin zaɓi.Ayyukansa shine canzawa ta jiki ko sarrafa siginar gani a hankali a cikin layin watsawar gani ko hadedde hanyoyin gani.
●Ma'auni na gani shine na'urar gani mai tashar jiragen ruwa da yawa tare da halaye marasa daidaituwa.
● Lokacin da aka shigar da siginar gani daga kowace tashar jiragen ruwa, ana fitarwa daga tashar ta gaba tare da ƙaramin asara a cikin tsari na dijital.Idan siginar ta kasance shigarwa daga tashar jiragen ruwa 1, ana iya fitowa daga tashar 2 kawai.
Na'urar keɓewa na gani na'urar gani ce wacce ke ba da damar hasken unidirection kawai ya wuce kuma yana hana shi wucewa ta wata hanya.Ka'idar aikinsa ta dogara ne akan rashin daidaituwa na juyawa Faraday.