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Falanqayn Dhammaystiran oo ku saabsan Lix Mowjadood oo Isgaarsiineed oo Muhiim ah

2026-06-04
Faybarka indhaha wuxuu xaqiijiyaa gudbinta calaamadaha iyada oo loo marayo milicsiga gudaha ee iftiinka infrared gudaha xudunta silica. Iyada oo ay xaddidan tahay luminta nuugista silica ee gudaha, kala firdhinta Rayleigh, nuugista infrared iyo hoos u dhigista ugu sarreysa biyaha hydroxyl, lix hirar ganacsi oo guud ayaa lagu jaangooyay warshadaha isgaarsiinta indhaha ee caalamiga ah: 850 nm, 1310 nm, 1383 nm, 1490 nm, 1550 nm iyo 1625 nm. Mowjadahaan hirarka ah waxay daboolayaan LAN-ga gaaban, shabakadda magaalooyinka, laf-dhabarta dheer, helitaanka fiilada PON, kordhinta indhaha iyo xaaladaha tijaabada fiilada indhaha. Kala duwanaansho kala duwan ayaa ka jira isku-dhafka yareynta, kala firdhinta chromatic, masaafada gudbinta ugu badan, qaybaha optoelectronic ee isku habboon iyo xulashada fiilada ee u dhexeeya hirarka hirarka kala duwan, kuwaas oo u adeega shuruudo aasaasi ah oo loogu talagalay xulashada qeexitaanka fiilada, naqshadeynta injineernimada iyo R&D qaybta indhaha. Warqaddani waxay ka kooban tahay saddex qaybood oo asaasi ah: astaamo muuqaal oo faahfaahsan oo lix hirar, isbarbardhigga toosan ee qeexitaannada farsamada fiber-ka asaasiga ah, iyo kala-soocidda fiber-ka iyo codsiga wax ku oolka ah ee hirar kasta.
Falanqayn Dhammaystiran oo ku saabsan Lix Wavebands oo Isgaarsiineed oo Muhiim ah.jpg

Cutubka 1 Astaamaha Faahfaahsan ee Indhaha ee Lixda Xarig ee Isgaarsiinta Fiber-ka Caadiga ah

1.1 850 nm (Daaqad gaaban oo hirarka ah, Daaqadda Isgaarsiineed ee ugu horreysa ee indhaha)

850 nm waa hirarka isgaarsiinta ee ugu horreeya ee ganacsi ahaan loo adeegsado si gaar ah loogu talagalay fiilada indhaha ee multimode. Isha khasaaraha ugu badan waxay ka timaaddaa kala firdhinta Rayleigh, oo hoos u dhaciisu uu si liddi ku ah u dhigmayo awoodda afraad ee hirarka. Sababtoo ah hirarka indhaha ee gaaban, hoos u dhaca fiilada caadiga ah wuxuu u dhexeeyaa 2.5 ilaa 3.0 dB/km, heerka khasaaraha ugu sarreeya ee lix hirar. Ma jiro dhibic eber ah oo kala firdhisan oo ku taal 850 nm; kala firdhinta walxaha iyo kala firdhinta isku dhafan ayaa si weyn u ballaarisa garaaca indhaha waxayna xaddidaa gaarista gudbinta. Fiilada qaababka badan ee OM1 iyo OM2, gaarista ugu badan ee Gigabit Ethernet waa 550 m iyo 220 m siday u kala horreeyaan 850 nm, halka 10G Ethernet ay taageerto oo keliya 33 m (OM1) iyo 82 m (OM2).
Laydhadhka Dusha Sare ee Godadka Toosan (VCSELs) waa ilo iftiin caadi ah oo loogu talagalay xariggan oo leh baakado kooban, kharash yar iyo baahi qaboojin dheeraad ah. Dhibaatada isku xidhka oo hooseysa ayaa si weyn u yareysa kharashka dhismaha nidaamka. Iyada oo ay xaddidan tahay cillado badan oo kala firdhisan iyo kala firdhis, 850 nm waxay ku kooban tahay fiilooyinka gudaha ee masaafada gaaban, oo si weyn loogu qaato isku xirka xarunta xogta iyo nidaamyada fiilooyinka qaabaysan.

1.2 1310 nm (Daaqadda Eber-Fidisan, Daaqadda Isgaarsiineed ee Labaad)

Iyada oo lagu nidaamiyay heerka ITU-T, 1310 nm waa mowjadda eber-ka-fidsan ee hal-qaabka fiber-ka G.652. Kala-fidsanaanta walxaha waxay ka hortagtaa kala-fidsanaanta hagaha mowjadaha ee kooxdan, iyadoo soo saarta kala-fidsanaanta ku dhawaad ​​eber chromatic qiyaastii 0 ps/(nm·km) waxayna meesha ka saartaa qallooca garaaca wadnaha oo ay keento kala-fidsanaanta iyada oo aan lahayn modules magdhow dheeraad ah oo kala-fidsan. Hoos u dhaca fiilada gudaha ayaa hoos ugu dhacaya 0.33 ~ 0.38 dB/km iyada oo aan lahayn nuugista ugu sarreysa biyaha hydroxyl oo muuqda, taasoo ka dhigaysa ikhtiyaarka la doorbidayo gudbinta indhaha ee aan firfircoonayn ee dhibic-ilaa-dhibic.
Laser-ka Fabry-Perot (FP) waa kan ugu weyn ee soo saara 1310 nm oo leh kharash dhexdhexaad ah. Si kastaba ha ahaatee, hirarkan hirarka ahi wuxuu ka baxsan yahay heerka faa'iidada ee EDFA (Erbium-Doped Fiber Amplifier), sidaa darteed gudbinta masaafada dheer waxay ku tiirsan tahay dib-u-soo-celinta korantada-indhaha halkii ay ka ahaan lahayd kor-u-qaadista indhaha oo dhan. Marka laga soo tago gudbinta adeegga, 1310 nm waa hirarka tijaabada caadiga ah ee OTDR (Optical Time Domain Reflectometer), oo si guud loogu isticmaalo aqbalaadda dhismaha fiilada fiber-ka iyo goobta cilladda.

1.3 1383 nm (Daaqadda Biyaha-Ugu Sarreeya, Xuddunta La Hagaajiyay ee Biyaha-Ugu Sarreeya)

Fiilada hal-qaab ee caadiga ah ee G.652A/B waxay ka kooban tahay ion-yada OH⁻ ee haraaga ah ee ka soo baxa sameynta preform, taasoo abuureysa heerka nuugista xooggan ee 1383 nm iyadoo hoos u dhac ku yimid 20 dB/km, taasoo ka dhigtay hirarkan mid aan loo isticmaali karin ganacsiga tobanaan sano ka hor. Iyada oo ay ugu wacan tahay fuuq-baxa horumarsan iyo tignoolajiyada preform-ka ee macmal ah ee fiber-ka G.652C/G.652D ee biyaha hooseeya, fiirsashada ion-ka haraaga ah ee hydroxide waxaa lagu xakameeyaa heerka ppb, taasoo yareyneysa khasaaraha ugu sarreeya biyaha ee ka hooseeya 0.4 dB/km waxayna suurtogalineysaa in ganacsi ballaaran la geliyo.
Muuqaallada la heli karo waxay daboolaan 1360 ~ 1410 nm, iyagoo buuxinaya farqiga soo noqnoqda ee u dhexeeya 1310 nm iyo 1490 nm si loo ballaariyo kanaalka CWDM. Sida 1310 nm, 1383 nm laguma kordhin karo EDFA, taasoo xaddidaysa codsigeeda shabakadda la socodka amniga ee CWDM ee magaalooyinka oo gaaban. Hoos u dhaca caadiga ah waxaa lagu hayaa 0.38 ~ 0.42 dB/km.

1.4 1490 nm (Barta Bilaabashada S-band, Mowjadaha Muhiimka ah ee Hoos u socda ee FTTH PON)

Iyada oo ka tirsan S-band (1460~1530 nm), 1490 nm waxaa lagu qeexaa mowjadaha hoose ee caadiga ah ee EPON/GPON iyadoo la raacayo hab-maamuuska ITU-T G.984: OLT waxay gudbisaa xogta hoose ee 1490 nm, halka ONU ay dirto calaamad soo celin ah oo kor u socota oo ah 1310 nm, iyadoo la ogaanayo gudbinta hal-fiber laba-geesood ah iyada oo loo marayo isku-darka qaybinta mowjadaha.
Hoos u dhaca caadiga ah ee 1490 nm wuxuu u dhexeeyaa 0.26 ilaa 0.30 dB/km, wuxuuna ka sarreeyaa 1310 nm waxqabadka khasaaraha; kala firdhinta chromatic waxay joogtaa qiyaastii 10 ps/(nm·km), iyadoo taageeraysa jirridda PON ODN ee caadiga ah 20 km iyada oo aan lahayn magdhow kala firdhisan. Laser-ka DFB oo leh ballac cidhiidhi ah oo xariiq ah iyo xakamaynta heerkulka joogtada ah ayaa loo qalabeeyay gudbinta calaamadaha daciifka ah ka dib kala-goynta indhaha ee aan firfircoonayn. Shaandhada WDM ee la isku daray waxay go'doomisaa calaamadaha kor iyo hoos, taasoo ka dhigaysa 1490 nm mowjadda ugu badan ee loo isticmaalo marin u helidda ballaaran ee fiber-ka-guriga ee adduunka.

1.5 1550 nm (C-band Core, Daaqadda Isgaarsiinta Saddexaad ee Khasaaraha ugu Hooseeya)

Waxaa loo yaqaanaa daaqadda dahabka ah ee isgaarsiinta indhaha, 1550 nm waxay ku taallaa C-band (1530~1565 nm), halkaas oo fiber silica ay gaarto ugu yaraan hoos u dhac gudaha ah oo ah 0.19 ~ 0.22 dB/km dhammaan lixda hirarka hirarka. Hirarkan hirarka ah si fiican ayuu ula jaanqaadaa heerka faa'iidada ee EDFA; daraasiin sideyaal indhaha ah oo DWDM ah ayaa isku mar la kordhin karaa iyada oo aan la cusboonaysiin optoelectronic, taasoo suurtogalinaysa kumanaan kiiloomitir oo gudbinta masaafada dheer ah oo aan ku celcelin.
Faybarka caadiga ah ee G.652 wuxuu soo bandhigaa kala firdhis togan oo chromatic ah oo qiyaastii ah 17 ps/(nm·km) 1550 nm, taasoo u baahan DCF (Fiber Magdhowga Kala-baxa) oo loogu talagalay laf-dhabarta DWDM ee aadka u dheer. Faybarka G.655 ee aan eber ahayn ee kala-firdhinta ah wuxuu hayaa kala-firdhis yar oo haraaga ah (2~6 ps/(nm·km)) si loo xakameeyo saameynta aan toosanayn ee Isku-darka Afar-Wave Mixing, oo loo habeeyay rakibidda nidaamka DWDM ee awoodda sare leh. Marka laga reebo laf-dhabarta fog, 1550 nm waa hirarka shaqada ee gaarka ah ee gudbinta indhaha ee analogga ah ee CATV RF; Nidaamka DWDM wuxuu u qaybiyaa C-band in ka badan 80 kanaal oo heer sare ah oo leh meel bannaan oo ah 0.8 nm si loogu sameeyo shabakad laf-dhabarta oo awood badan leh iyo dhismaha fiilooyinka indhaha ee badda hoosteeda.

1.6 1625 nm (Xad-L, Fiber Monitoring Mowjadaha Shaqada ku jira)

1625 nm wuxuu ku dhacaa L-band (1565~1625 nm), oo inta badan loogu talagalay la socodka fiber-ka indhaha ee internetka waqtiga dhabta ah iyo ballaarinta awoodda DWDM ee qayb ahaan L. Yareynta caadiga ah waa 0.23~0.25 dB/km iyada oo aan lahayn faragelin ugu sarreysa biyaha, kala firdhinta chromatic-gana waxay gaartaa qiyaastii 22 ps/(nm·km).
Faa'iidada ugu weyn waxay ku jirtaa go'doominta muuqaalka ee hirarka adeegga (1310/1490/1550 nm). Iyada oo loo marayo isku xidhka WDM ee aan firfircoonayn, iftiinka la socodka waxaa lagu xidhaa fiber shaqeynaya iyada oo aan la carqaladeyn adeegga xogta socda; OTDR-ka khadka tooska ah ee ku salaysan 1625 nm wuxuu ogaadaa ogaanshaha waqtiga-dhabta ah ee gabowga fiilada, jabka iyo khasaaraha aan caadiga ahayn, taas oo noqota tignoolajiyada ugu muhiimsan ee O&M caqliga leh ee fiilooyinka laf-dhabarta heerka side-ka. EDFA-ga L-band ee la isku daray wuxuu taageeraa ballaarinta DWDM marka kheyraadka muuqaalka C-band uu dhammaado.

Cutubka 2aad ee Halbeegga Fiber Optic-ga iyo Tilmaamaha Isbarbardhigga Jiifka ah

Faybarka indhaha waxaa loo kala saaraa fiilooyin badan oo qaabaysan (OM1/OM2/OM3/OM4/OM5) iyo fiilooyin hal-qaab ah (G.652A/B/C/D, G.653, G.655, G.657). Tilmaamayaasha farsamada ee muhiimka ah waxaa ka mid ah isku-dhafka yareynta, kala-baxa chromatic, hirarka goynta, dhexroorka goobta qaabka, luminta macrobending iyo ballaca.

2.1 Qeexidda Tilmaamayaasha Farsamada ee Muhiimka ah

  1. Hoos u dhac (dB/km): Isticmaalka korontada indhaha halkii kiiloomitir; qiimaha hoose wuxuu matalaa masaafada gudbinta oo dheer, oo ay saameyso hirarka, walxaha ceeriin iyo heerka foorarsiga.
  2. Kala-baxa Chromatic (ps/(nm·km)): Farqiga xawaaraha gudbinta ee u dhexeeya qaybaha kala duwan ee muuqaalka; qiimaha yar wuxuu yareeyaa qallooca garaaca wadnaha ee calaamadda xawaaraha sare.
  3. Mowjadaha Goynta: Mowjadaha marin-haweedka muhiimka ah ee faafinta hal-qaab; iftiinka dhacdada oo keliya ee ka sarreeya mowjadaha goynta ayaa u gudbi kara qaab hal-qaab ah gudaha xudunta.
  4. Lumitaanka Laabista: Lumitaanka korontada dheeraadka ah ee ay keento foorarsiga fiilada adag; Faybarka aan dareenka lahayn ee G.657 wuxuu leeyahay waxqabad heer sare ah oo ku saabsan tusmadan.
  5. Dhexroorka Goobta Habka: Cabbirka booska wax ku oolka ah ee iftiinka faafinaya gudaha xudunta hal-qaab, si toos ah u saameeya hufnaanta isku xidhka u dhexeeya qalabka fiber-ka iyo optoelectronic-ka.
  6. Ballaca Weyn (MHz·km): Halbeegga ugu muhiimsan ee fiber-ka qaababka badan leh, kaas oo go'aaminaya awoodda gudbinta masaafada gaaban ee xawaaraha sare leh.

2.2 Isbarbardhigga Halbeegga Noocyada Fiber-ka Caadiga ah ee Lixda Xariiq ee Wavebands-ka

2.2.1 Fiber Multimode (850 nm gaar ah, waafaqid masaafad gaaban oo qayb ahaan ah 1310 nm)

Faybarka Multimode wuxuu la ildaran yahay kala firdhis badan oo ku yimaada 1383/1490/1550/1625 nm mana taageeri karo gudbinta masaafada fog ee wax ku oolka ah:
  • OM1 (62.5/125 μm): 3.0 dB/km @850 nm, 200 MHz·km bandwidth; ugu badnaan 33 m oo loogu talagalay 10G Ethernet.
  • OM2 (50/125 μm): 2.5 dB/km @850 nm, 500 MHz·km bandwidth; ugu badnaan 82 m ee 10G Ethernet.
  • OM3/OM4 (Laser-ka lagu habeeyay 50/125 μm): OM3:2000 MHz·km, 300 m@10G; OM4:4700 MHz·km,550 m@10G.
  • OM5: Daaqad laba-laab ah oo la hagaajiyay (850 nm+953 nm), oo loo habeeyay isku xirka xarunta xogta ee 400G ee masaafada gaaban.

2.2.2 G.652 Universal Single-Mode Fiber (lix-modeband oo buuxa oo ku habboon G.652C/D)

  • G.652A/B (Biyaha ugu sarreeya): Lama isticmaali karo 1383 nm sababtoo ah nuugista oo ka badan 5 dB/km; 0.35 dB/km & eber kala firdhisan @1310 nm; 0.28 dB/km@1490 nm; 0.20 dB/km & 17 ps/(nm·km)@1550 nm; 0.24 dB/km & 22 ps/(nm·km)@1625 nm.
  • G.652C/D (Biyaha-hoose-ugu sarreeya): Ka-saarista OH⁻ ee la hagaajiyay, oo ka hooseysa 0.4 dB/km@1383 nm, oo leh lix-hir-waveband oo buuxa, oo leh fiilo badan oo loogu talagalay metro iyo shabakadda marin u helka.
    Mowjadda goynta ≤1260 nm, dhexroorka goobta qaabka 9.2 μm, waxqabadka leexashada caadiga ah.

2.2.3 Faybarka Kala-baxa ee G.653

Barta kala-fidinta eber ayaa loo wareejiyay 1550 nm; kala-fidinta ku dhow eber ee C-band halka kala-fidinta xad-dhaafka ah ay tahay 1310 nm, oo aan ku habboonayn hirarka gaaban. Isku-darka Afar-Wave ee daran wuxuu xaddidayaa isticmaalkiisa DWDM-ka badan, kaliya khadka gaarka ah ee aadka u dheer ee hal-wave.

2.2.4 G.655 Faybar aan Eber ahayn oo kala firdhisan

Kala firdhis yar oo haraaga ah oo ku yaal 1550 nm si loo dheellitiro magdhowga kala firdhinta iyo xakamaynta aan tooska ahayn, oo gaar u ah laf-dhabarta C/L-band DWDM iyo fiilada badda hoosteeda ee badda; waxqabad liita oo ku yaal 1310 nm iyo hirarka ka hooseeya.

2.2.5 G.657 Faybar Laablaaban oo aan Dareen Lahayn (Fiilada Dhibicda Gudaha ee FTTH)

Waxaa loo kala saaraa A1 (hagaajinta leexashada fudud) iyo B2 (radius-ka leexashada aadka u yar); khasaare aad u hooseeya marka la isku duubo cidhiidhi, si buuxda ula jaanqaadaya lix xargo oo hirarka ah, agab caadi ah oo loogu talagalay fiilada FTTH ee gudaha iyo fiilooyinka guriga FTTR.
Mowjadda hirarka 850 nm 1310 nm 1383 nm (Biyaha-hoose-peak) 1490 nm 1550 nm 1625 nm
Hoos u dhac Caadi ah (dB/km) 2.5~3.0 0.33~0.38 0.38~0.42 0.26~0.30 0.19~0.22 0.23~0.25

Cutubka 3aad ee Habka Codsiga, Xulashada Fiberka & Isbarbardhigga Iswaafajinta Nidaamka ee Lix Wavebands

3.1 850 nm: Xarunta Xogta & Isku xirka Xarunta LAN

Faybar isku mid ah: OM1 ~ OM5 fiber multimode taxane buuxa ah oo keliya
Nidaamka Gudbinta: Gigabit/10G/25G Ethernet, Shabakada kaydinta Fiber Channel
Codsiga Caadiga ahFiilada balastar-ka ee golaha wasiirada, isku xirka gaaban ee TOR-ilaa-server-ka gudaha IDC, LAN-ka xarunta iyo fiilooyinka otomaatiga warshadaha, masaafada gudbinta: 30 m ~ 550 m
Mudnaanta iyo Cilladda: Ilo VCSEL ah oo qiimo jaban iyo dhisme ku habboon; masaafada gudbinta oo xaddidan, fiilada hal-qaabka ah waa qasab marka masaafada ay ka badan tahay 550 m.

3.2 1310 nm: Khadka Gaarka ah ee Metro Point-to-Point & Tijaabada Fiber-ka Caadiga ah

Faybar isku mid ah: G.652 oo buuxa & G.657; dhif ah G.653/G.655
Nidaamka Gudbinta: Khad kiro ah oo dhaqameed oo SDH/MSTP ah, marin u helidda fiber madow oo dhibic-ilaa-bar ah, tijaabinta aqbalaadda fiber-ka OTDR
Codsiga Caadiga ahKhadka gaarka loo leeyahay ee bangiga ee magaalooyinka dhexdooda, marin u helidda indhaha ee shirkad gaar ah, shabakadda marin u helidda maxalliga ah ee shirkadda, gaaritaanka ugu badan ee hal-waqti ah ≤80 km; gudbinta elektaroonigga ah ee dheeraadka ah ee masaafada dheer
Mudnaanta iyo Cilladda: Kala firdhinta eber waxay ka hortagtaa qallooca calaamadaha iyadoo la adeegsanayo qalab bisil; lama heli karo EDFA oo dhan-kordhinta indhaha, si tartiib tartiib ah ayaa loogu beddelay 1550 nm DWDM si loogu helo shabakadaha masaafada dheer.

3.3 1383 nm: Ballaarinta Spectrum-ka Qiimaha Yar ee Metro CWDM

Faybar isku mid ah: G.652C/D & G.657 oo keliya; kuma habboona meelaha ugu sarreeya ee biyaha sare leh G.652A/B
Nidaamka Gudbinta: 8/16-kanaalka CWDM oo leh isku-dhufashada qaybaha hirarka qaro weyn
Codsiga Caadiga ah: Shabakadda CATV ee gaarka loo leeyahay ee heer magaalo, ballaarinta fiilooyinka adeegga badan leh ee loogu talagalay beerta warshadaha, nidaamka la socodka macdanta & amniga, ugu badnaan gaaritaanka ≤40 km
Mudnaanta iyo Cilladda: Isticmaalka baaxadda oo hufan iyada oo aan lahayn faybar cusub; ma jiro ballaarin EDFA oo xaddidaysa meelaynta masaafada aadka u dheer.

3.4 1490 nm: Helitaanka Fiber-ka FTTH ee Caalamiga ah

Faybar isku mid ahG.652D oo loogu talagalay jirridda quudinta + G.657 oo loogu talagalay fiilada hoos u dhigista gudaha
Nidaamka Gudbinta: EPON/GPON/10G PON, hal-fiber laba-geesood ah (1490 hoos, 1310 kor, 1550 oo loogu talagalay dahaarka CATV ee ikhtiyaariga ah)
Codsiga Caadiga ah: Helitaanka internetka ee guryaha, shabakadda indhaha oo buuxda ee FTTO, 20 km jirridda ODN + gudaha 5 km xariiqda hoos u dhaca gudaha
Mudnaanta iyo Cilladda: Adeegsiga OLT ee dhexe ee ku salaysan kala-qaybinta dadban, fiber-ka hal-ka ah wuxuu taageeraa 64-128 isticmaaleyaal kama dambays ah; wuxuu noqdaa kaabayaal aasaasi ah oo dhismaha internetka ee fiber-ka adduunka.

3.5 1550 nm: DWDM Laf-dhabarta oo dheer & Gudbinta indhaha ee CATV

Faybar isku mid ah: G.652 oo loogu talagalay metro DWDM, G.655 oo loogu talagalay fiilada qaranka ee laf-dhabarta iyo badda hoosteeda, G.653 oo loogu talagalay khadadka gaarka loo leeyahay ee aadka u dheer ee hal-hirarka ah
Nidaamka Gudbinta: Isku-darka kala-qaybinta hirarka cufan ee DWDM, gaadiidka indhaha ee analog CATV RF, nidaamka laf-dhabarta xawaaraha sare leh ee 100G/400G
Codsiga Caadiga ahFiilada jirridda ee gobollada dhexdooda, fiilada indhaha ee badda hoosteeda mara ee transoceanic, shabakadda CATV HFC ee fiber-ka leh; ballaarinta indhaha oo dhan ee EDFA ay ka caawiso gudbinta ku-celcelis la'aanta kun kiiloomitir
Mudnaanta iyo Cilladda: Yareynta ugu yar ee fiilada iyo tiknoolajiyada EDFA ee bislaaday waxay taageertaa awoodda hal-fiber ee heerka terabit; kharash sare oo loogu talagalay qaybaha indhaha ee DWDM ee heerka sare ah.

3.6 1625 nm: Kormeerka fiilada ee adeegga ku jira & Ballaarinta DWDM-ka L

Faybar isku mid ahDhammaan noocyada fiber-ka hal-qaabka ah oo ay ku jiraan G.652/G.655/G.657
Nidaamka Gudbinta: Madal kormeer OTDR oo khadka tooska ah, qalabka ballaarinta DWDM ee L-band
Codsiga Caadiga ah: Ilaalo caqli badan oo waqtiga-dhabta ah oo loogu talagalay fiilada laf-dhabarta ee side-ka, digniin hore oo aan kala go 'lahayn oo ku saabsan cilladda fiilada qarsoon, ballaarinta awoodda ka dib marka la buuxiyo heerka C-band
Mudnaanta iyo Cilladda: Ma jiro adeeg baaxad leh si loo xaqiijiyo kormeerka khadka aan joogsiga lahayn, si wax ku ool ah loo gaabiyo wakhtiga dayactirka fiilooyinka; inta badan waxaa loo adeegsadaa shabakadda xirfadleyda O&M ee side.

Gunaanad

Lix xargo oo isgaarsiineed oo caadi ah ayaa sameeya nidaam codsi shabakadeed oo lakabaysan oo ku salaysan sifooyinka indhaha ee silica ee gudaha ku jira: 850 nm waxay ka talisaa fiilooyinka gudaha ee qaababka badan ee gaaban; 1310 nm waxay u dhaqantaa sidii tijaabo hal-qaab aasaasi ah iyo hirarka khadka gaarka ah; 1383 nm kaabisyo CWDM bannaan; 1490 nm waxay ka talisaa marin u helka indhaha ee aan firfircoonayn ee FTTH; 1550 nm waxay u adeegtaa sidii xudunta laf-dhabarta dheer iyo gudbinta CATV; 1625 nm waxay ku takhasustay la socodka hawlgalka fiber-ka ee aan kala go 'lahayn. Xulashada fiber-ku waxay raacdaa xeerka ku wajahan hirarka: fiber-mode badan oo loogu talagalay isku-xireyaasha 850 nm ee gaaban, G.652D/G.657 ee shabakadda marin u helka 1310/1383/1490, fiber-ka aan eber ahayn ee G.655 ee DWDM-ka dheer, fiber-ka aan dareenka lahayn ee G.657 ee fiilooyinka gudaha FTTH.
Iyada oo ay wadaan dhismaha shabakadda side-ka 5G, isku-xirka xawaaraha sare ee xarunta xogta ee baaxadda weyn iyo gelinta fiber-ka guriga oo dhan ee FTTR, G.652D-ga biyaha hooseeya iyo G.657-ga u adkaysta qalooca ayaa si tartiib tartiib ah u noqda qeexitaannada fiber-ka ee ugu muhiimsan suuqa indhaha ee adduunka. Baahida ballaarinta CWDM ee 1383 nm iyo L-band 1625 nm ayaa sii kordheysa sannad kasta; 850 nm multimode waxay ilaalisaa booska ugu muhiimsan ee isku-xirka xawaaraha sare ee masaafada gaaban, halka 1550 nm ay weli tahay daaqad dahab ah oo aan la beddeli karin oo loogu talagalay isgaarsiinta indhaha ee masaafada dheer iyadoo lagu saleynayo tignoolajiyada ballaarinta EDFA ee bislaaday. Barashada yareynta, dabeecadda kala firdhinta, xaaladda isku-dhafka fiber-ka iyo xadka khuseeya ee lix hirarka hirarka waxay bixisaa taageero aragtiyeed oo asaasi ah oo loogu talagalay xulashada qeexitaanka fiber-ka, naqshadeynta injineernimada shabakadda indhaha iyo hagaajinta awoodda shabakadda ee jirta.

Nala soo xiriir, hel Alaabooyin Tayo leh iyo Adeeg Feejignaan leh.

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