1. Ta yaya zare-zaren gani ke aika haske?
Fahimtar sadarwa ta hanyar fiber optics Ya dogara ne akan ƙa'idar haskaka haske gaba ɗaya.
Idan haske ya yaɗu zuwa tsakiyar zare, ma'aunin haske n1 na tsakiyar zare ya fi na rufin n2 girma, kuma asarar zuciyar ta yi ƙasa da ta rufin, don haka hasken zai fuskanci cikakken haske na ciki kuma makamashin haskensa yana yaɗuwa galibi a cikin zuciyar. Saboda jimillar haske na ciki a jere, ana iya watsa hasken daga wannan gefe zuwa wancan.
2. Ta yaya ake rarraba zare-zaren gani?
An rarraba ta hanyar yanayin watsawa: zare mai yanayi ɗaya da zare mai yanayi da yawa.
Zaren yanayi ɗaya yana da ƙaramin diamita na tsakiya kuma yana iya watsa raƙuman haske kawai a cikin yanayi ɗaya.
Fiber mai yawan amfani yana da babban diamita na tsakiya kuma yana iya watsa raƙuman haske a cikin yanayi daban-daban.
Hakanan zaka iya bambance zaren yanayin guda ɗaya daga zaren yanayin multimode ta hanyar launin bayyanarsa:
Yawancin zaruruwan gani Zaruruwan yanayi guda ɗaya suna da jaket mai launin rawaya da mahaɗin shuɗi, kuma tsakiyar kebul ɗin shine 9.0 μm. Akwai raƙuman tsakiya guda biyu don zaren yanayi guda ɗaya: 1310 nm da 1550 nm. Ana amfani da 1310 nm gabaɗaya don watsa gajere, matsakaici, ko nesa, da kuma 1550 nm don watsa dogon nesa da kuma nesa mai nisa. Nisa tsakanin watsawa ya dogara da ƙarfin watsawa na na'urar gani. Nisa tsakanin watsawa na tashar yanayi guda ɗaya ta 1310 nm shine 10 km, 30 km, 40 km, da sauransu, kuma nisan tsakanin watsawa na tashar yanayi guda ɗaya ta 1550 nm shine 40 km, 70 km, 100 km, da sauransu.
Zaruruwan gani na multimode galibi jacket ne na orange/toka mai launin toka tare da haɗin baki/beige, kuma diamita na tsakiya shine 50.0 μm da 62.5 μm. Tsawon tsakiyar zaren multimode yawanci shine 850 nm. Nisa na watsawa na zaren gani na multimode gajere ne, gabaɗaya cikin mita 500.
Rarrabawa bisa ga ƙa'idodin ƙasashen duniya na ITU-T: G.651, G.652, G.653, G.654, G.655, G.656, G.657.
Lokacin Saƙo: Fabrairu-24-2023
