Sadarwar fiber na gani yana ɗaukar haske azaman mai ɗaukar bayanai don sadarwa.Ana iya yada shi ta hanyar fiber core.Koyaya, ba kowane hasken haske ya dace da sadarwa ba.Asarar watsawa ta bambanta tare da igiyoyin haske daban-daban.Don cimma ƙarancin asara da kasancewa cikin inganci, masana kimiyya koyaushe suna neman haske mafi dacewa.
- 850nm Waveband
A farkon shekarun 1980, masana kimiyya sun fara bincika fasahar sadarwa ta fiber na gani ta hanya mai amfani.Multi-mode fiber shine abin da suka fi nazari akai.Tare da manyan nau'ikan fiber, muti-mode fiber yana iya fahimtar watsa fiber guda ɗaya don fitilun muti-mode.Haske mai tsawon 850nm shine wanda aka fara amfani dashi.
- Ya Waveband
A farkon shekarun 1990, fiber-mode fiber ya fara amfani da yawa.
Hoto 1
Masana kimiyya sun gano cewa 1260nm ~ 1360nm waveband hasken zai iya cimma mafi ƙarancin siginar murdiya da asarar watsawa wanda ya haifar da tarwatsawa ta hanyar gwaje-gwaje.Saboda haka, sun sanya sunan waɗannan hasken igiyoyi kamar O-band da "O" yana nufin "Original".Tare da gwaji da kuskure, masana kimiyya sun gano cewa haske tare da 1260nm ~ 1625nm kuma yana cikin mafi ƙarancin hasara kuma shine mafi kyawun haske don watsa fiber.
1260nm ~ 1625nm hasken waveband ya kasu kashi biyar-O waveband, E waveband, S waveband, C waveband da L waveband.
Hoto 2
Masana kimiyya sun kuma gano alaƙar da ke tsakanin asarar watsawa da tsayin raƙuman ruwa.Yana nunawa kamar haka.
Hoto 3
Ƙungiyar da aka fi amfani da ita ita ce C waveband ((1530nm ~ 1565nm), wanda ke nufin "na al'ada".C band na iya cimma ƙarancin watsawa wanda aka yi amfani da shi sosai ga MAN, nesa mai nisa, nisa mai nisa, tsarin kebul na gani na jirgin ruwa da tsarin WDM.
- L Waveband (1565nm ~ 1625nm)
L yana nufin "tsawon tsayin tsayi".L waveband na iya cimma asarar mafi ƙarancin watsawa ta biyu kuma yana ɗaya daga cikin manyan zaɓi na masana'antu.Idan C waveband ba zai iya biyan buƙatun bandwidth ba, yawanci mutane za su ɗauki L waveband a matsayin ƙarin.
- S Waveband (1460nm ~ 1530nm)
S yana nufin "gajeren zango".Idan ya zo ga asarar fiber, ya fi O waveband girma.Yawancin lokaci ana amfani da shi zuwa ƙasa mai tsayin PON.
- E Waveband
Shi ne mafi ƙarancin igiyar igiyar ruwa a tsakanin nau'ikan waveband biyar.E yana nufin “Extended” Kamar yadda aka nuna daga adadi na 3, ana iya ganin buge-buge akan E waveband.Wannan saboda OH ya shafe shi- wanda ke haifar da babbar asarar watsawa, wanda kuma ake kira kololuwar ruwa.
Komawa a zamanin da, saboda ƙarancin fasaha, an haɗe ruwa a cikin gilashin fiber na gani wanda ya haifar da babbar asarar watsawa a cikin waveband na E kuma ba ya iya aiki akai-akai.Bayan haka, mutane sun haɓaka fasahar bushewa a cikin gilashin, tun daga lokacin, asarar watsawa a cikin waveband ta ma ƙasa da O waveband.Koyaya, asarar watsawa ta faru akan E waveband akan kebul na fiber na gani wanda aka saita kafin hakan yayi bayanin har yanzu akwai iyakoki na E waveband da ake amfani da su a cikin sadarwar fiber na gani.
- U Waveband (Maɗaukakin Tsayin Tsawon Tsawon Tsawon Tsawon Tsawon Lokaci, 1625-1675 nm)
Ban da waɗannan waveband da aka ambata, U waveband kuma ana amfani da su sosai, galibi akan sa ido kan hanyar sadarwa.
Don ƙarin cikakkun bayanai na samfuran mu akan tsayi daban-daban, da fatan za a ziyarci gidan yanar gizon mu:
https://www.erbiumtechnology.com/eye-safer-laser/
https://www.erbiumtechnology.com/1570nm-opo-laser/
https://www.erbiumtechnology.com/1064nm-yag-laser/
Imel:devin@erbiumtechnology.com
WhatsApp: +86-18113047438
Fax: + 86-2887897578
Ƙara: No.23, Titin Chaoyang, Titin Xihe, Longquanyi distrcit, Chengdu,610107, China.
Lokacin Sabuntawa: Juni-23-2022
