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Kev Tshawb Fawb Txog Rau Rau Qhov Kev Sib Txuas Lus Optical Wavebands Loj

2026-06-04
Cov fiber optic ua rau muaj kev xa cov teeb liab los ntawm kev cuam tshuam tag nrho sab hauv ntawm lub teeb infrared hauv silica core. Txwv los ntawm kev poob ntawm intrinsic silica, Rayleigh scattering, infrared absorption thiab hydroxyl water peak attenuation, rau lub mainstream commercial wavebands yog standardized hauv kev lag luam sib txuas lus optical thoob ntiaj teb: 850 nm, 1310 nm, 1383 nm, 1490 nm, 1550 nm thiab 1625 nm. Cov wavelengths no npog luv luv LAN, metropolitan network, long-haul backbone, PON fiber access, optical amplification thiab optical fiber testing scenarios. Muaj qhov sib txawv sib txawv hauv attenuation coefficient, chromatic dispersion, maximum transmission distance, matching optoelectronic components thiab fiber xaiv ntawm ntau lub wavebands, uas ua haujlwm ua cov qauv tseem ceeb rau kev xaiv fiber specification, engineering design thiab optical component R&D. Daim ntawv no muaj peb ntu tseem ceeb: cov yam ntxwv optical ntxaws ntxaws ntawm rau lub wavebands, kev sib piv kab rov tav ntawm cov ntsiab lus fiber core, thiab matching fiber & kev siv ua haujlwm rau txhua lub wavelength.
Kev Tshawb Fawb Txog Rau Rau Qhov Loj Tshaj Plaws ntawm Kev Sib Txuas Lus Optical Wavebands.jpg

Tshooj 1 Cov Yam Ntxim Saib Xyuas Optical ntawm Rau Lub Wavebands Sib Txuas Lus Fiber Classic

1.1 850 nm (Qhov Rai Luv-wavelength, Qhov Rai Sib Txuas Lus Optical Thawj Zaug)

850 nm yog qhov kev sib txuas lus wavelength thawj zaug uas tau siv rau multimode optical fiber. Nws qhov kev poob tseem ceeb yog los ntawm Rayleigh scattering, uas nws qhov attenuation yog inversely proportional rau lub zog plaub ntawm wavelength. Vim yog qhov luv luv ntawm optical wavelength, cov fiber attenuation feem ntau yog txij li 2.5 txog 3.0 dB / km, qib poob siab tshaj plaws ntawm rau wavebands. Tsis muaj qhov xoom-dispersion point ntawm 850 nm; kev sib xyaw ua ke ntawm cov khoom siv dispersion thiab intermodal dispersion ua rau cov optical pulses dav dua thiab txwv tsis pub kis tau. Rau OM1 thiab OM2 multimode fiber, qhov ncav cuag siab tshaj plaws ntawm Gigabit Ethernet yog 550 m thiab 220 m feem ntawm 850 nm, thaum 10G Ethernet tsuas yog txhawb nqa 33 m (OM1) thiab 82 m (OM2).
Cov Tshuab Lasers Ntsug-Cavity Surface-Emitting Lasers (VCSELs) yog cov khoom siv teeb pom kev zoo rau cov kab no nrog cov ntim khoom me me, tus nqi qis thiab tsis tas yuav txias ntxiv. Qhov nyuaj sib txuas qis ua rau txo cov nqi tsim kho lub kaw lus. Txwv los ntawm kev ua kom tsis muaj zog thiab kev tawg ntawm cov teeb meem, 850 nm tsuas yog siv rau kev sib txuas lus luv luv hauv tsev, siv dav hauv kev sib txuas lus hauv chaw khaws ntaub ntawv thiab cov kab ke sib txuas lus.

1.2 1310 nm (Qhov Rai Zero-Dispersion, Qhov Rai Sib Txuas Lus Thib Ob)

Tswj los ntawm ITU-T tus qauv, 1310 nm yog qhov ntsuas xoom-dispersion wavelength rau G.652 ib hom fiber. Cov khoom siv dispersion tawm tsam waveguide dispersion ntawm qhov band no, tsim kom muaj ze li xoom chromatic dispersion nyob ib puag ncig 0 ps / (nm · km) thiab tshem tawm cov pulse distortion los ntawm kev dispersion yam tsis muaj cov modules dispersion compensation ntxiv. Lub intrinsic fiber attenuation poob rau 0.33 ~ 0.38 dB / km tsis muaj hydroxyl dej peak absorption, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau point-to-point passive optical transmission.
Fabry-Perot (FP) laser yog lub emitter tseem ceeb rau 1310 nm nrog tus nqi khoom nruab nrab. Txawm li cas los xij, qhov wavelength no poob sab nraum qhov nce spectrum ntawm EDFA (Erbium-Doped Fiber Amplifier), yog li kev sib kis ntev-ntev vam khom kev hloov pauv hluav taws xob-kho qhov muag relay es tsis yog txhua qhov kev ua kom pom tseeb. Dhau li ntawm kev sib kis kev pabcuam, 1310 nm yog qhov kev xeem wavelength rau OTDR (Optical Time Domain Reflectometer), siv thoob ntiaj teb rau kev lees txais kev tsim kho cable fiber thiab qhov chaw ua txhaum.

1.3 1383 nm (Qhov Rai Dej-Ncej Siab, Qis Dej-Ncej Siab Zoo Band)

Cov fiber ntau G.652A/B ib hom fiber muaj cov OH⁻ ions seem los ntawm kev tsim khoom ua ntej, tsim kom muaj qhov siab tshaj plaws ntawm 1383 nm nrog kev txo qis tshaj 20 dB / km, uas ua rau qhov wavelength no tsis muaj rau kev siv lag luam ntau xyoo dhau los. Ua tsaug rau kev ua kom qhuav dej thiab cov thev naus laus zis preform rau cov fiber G.652C/G.652D uas muaj dej tsawg, qhov concentration ntawm hydroxide ion seem raug tswj hwm ntawm qib ppb, txiav qhov poob dej qis dua 0.4 dB / km thiab ua rau muaj kev xa tawm loj hauv kev lag luam.
Cov spectrum muaj nyob rau ntawm 1360 ~ 1410 nm, ua kom tiav qhov sib txawv ntawm 1310 nm thiab 1490 nm rau kev nthuav dav CWDM channel. Zoo ib yam li 1310 nm, 1383 nm tsis tuaj yeem ua kom loj dua los ntawm EDFA, txwv tsis pub nws siv rau kev nthuav dav CWDM hauv nroog luv luv thiab kev saib xyuas kev ruaj ntseg ntiag tug. Kev txo qis feem ntau yog tswj hwm ntawm 0.38 ~ 0.42 dB / km.

1.4 1490 nm (S-band Pib Qhov Chaw, Downstream Core Wavelength rau FTTH PON)

Nyob rau hauv S-band (1460 ~ 1530 nm), 1490 nm yog txhais tias yog tus qauv downstream wavelength ntawm EPON / GPON nyob rau hauv ITU-T G.984 protocol: OLT xa cov ntaub ntawv downstream ntawm 1490 nm, thaum ONU xa upstream rov qab teeb liab ntawm 1310 nm, paub txog ib leeg-fiber bidirectional kis tau los ntawm wavelength division multiplexing.
Qhov kev txo qis ib txwm ntawm 1490 nm ntau ntawm 0.26 txog 0.30 dB / km, zoo dua li 1310 nm hauv kev ua tau zoo poob; chromatic dispersion nyob ib puag ncig 10 ps / (nm · km), txhawb nqa 20 km tus qauv PON ODN lub cev tsis muaj kev them nyiaj dispersion. DFB laser nrog cov kab dav dav spectral nqaim thiab kev tswj kub tas li yog nruab rau kev xa cov teeb liab tsis muaj zog tom qab passive optical splitting. Matched WDM lim cais cov teeb liab upstream thiab downstream, ua rau 1490 nm yog qhov wavelength siv dav tshaj plaws rau kev nkag mus rau broadband thoob ntiaj teb fiber-rau-tsev.

1.5 1550 nm (C-band Core, Qhov Rai Sib Txuas Lus Thib Peb Qhov Poob Qis Tshaj Plaws)

Paub tias yog lub qhov rais kub ntawm kev sib txuas lus kho qhov muag, 1550 nm nyob hauv C-band (1530 ~ 1565 nm), qhov twg silica fiber ncav cuag nws qhov tsawg kawg nkaus attenuation ntawm 0.19 ~ 0.22 dB / km thoob plaws tag nrho rau wavebands. Qhov wavelength no phim zoo kawg nkaus rau qhov nce spectrum ntawm EDFA; kaum ob ntawm DWDM optical carriers tuaj yeem amplified tib lub sijhawm yam tsis muaj optoelectronic regeneration, ua rau ntau txhiab kilometers repeater-free long-haul transmission.
Tus qauv G.652 fiber muaj qhov zoo chromatic dispersion nyob ib puag ncig 17 ps/(nm·km) ntawm 1550 nm, xav tau DCF (Dispersion Compensation Fiber) rau ultra-ntev DWDM backbone. G.655 non-zero dispersion-shifted fiber khaws cov me me residual dispersion (2 ~ 6 ps/(nm·km)) los tiv thaiv plaub-Wave Mixing nonlinear effect, optimized rau high-capacity DWDM system deployment. Sib nrug los ntawm ntev-deb backbone, 1550 nm yog qhov tshwj xeeb ua haujlwm wavelength rau analog CATV RF optical transmission; DWDM system faib C-band rau hauv ntau tshaj 80 tus qauv channel ntawm 0.8 nm spacing rau ultra-large-capacity backbone networking thiab submarine optical cable construction.

1.6 1625 nm (L-band, Kev Saib Xyuas Fiber Hauv Kev Pabcuam Wavelength)

1625 nm poob rau hauv L-band (1565 ~ 1625 nm), feem ntau yog tsim los rau kev saib xyuas fiber ntau hauv online thiab ib nrab L-band DWDM peev xwm nthuav dav. Nws qhov kev txo qis ib txwm yog 0.23 ~ 0.25 dB / km tsis muaj dej cuam tshuam, thiab chromatic dispersion ncav cuag kwv yees li 22 ps / (nm · km).
Qhov zoo tshaj plaws yog nyob rau hauv kev cais tawm spectrum ntawm cov wavelengths kev pabcuam (1310/1490/1550 nm). Los ntawm passive WDM coupler, lub teeb saib xyuas tau txuas rau hauv cov fiber ua haujlwm yam tsis cuam tshuam kev khiav cov ntaub ntawv kev pabcuam; online OTDR raws li 1625 nm paub txog lub sijhawm tiag tiag ntawm kev laus ntawm cable, breakpoint thiab kev poob tsis zoo, uas dhau los ua lub hauv paus thev naus laus zis rau kev ua haujlwm ntse thiab kev saib xyuas ntawm cov cab kuj-qib backbone cables. Matched L-band EDFA txhawb nqa DWDM nthuav dav thaum C-band spectrum resource tag.

Tshooj 2 Core Optical Fiber Technical Parameters & Specification Horizontal Comparison

Cov fiber ntau optical tau muab faib ua ntau hom fiber (OM1/OM2/OM3/OM4/OM5) thiab ib hom fiber (G.652A/B/C/D, G.653, G.655, G.657). Cov ntsuas tseem ceeb suav nrog attenuation coefficient, chromatic dispersion, cutoff wavelength, hom teb txoj kab uas hla, macrobending poob thiab bandwidth.

2.1 Lub Txhais ntawm Cov Cim Qhia Txog Kev Siv Tshuab Tseem Ceeb

  1. Kev txo qis (dB/km): Kev siv hluav taws xob kho qhov muag ib mais; tus nqi qis dua sawv cev rau qhov deb kis tau ntev dua, cuam tshuam los ntawm qhov ntev ntawm lub teeb, cov khoom siv raw thiab cov xwm txheej khoov.
  2. Chromatic Dispersion (ps/(nm·km)): Qhov sib txawv ntawm qhov ceev ntawm kev xa xov ntawm cov khoom sib txawv ntawm spectral; tus nqi me dua txo qhov kev cuam tshuam ntawm lub zog rau cov teeb liab ceev ceev.
  3. Qhov Ntev Ntawm Qhov Txiav: Qhov ntev ntawm qhov txiav tseem ceeb rau kev nthuav dav ib hom; tsuas yog lub teeb pom kev zoo dua qhov ntev ntawm qhov txiav thiaj li xa tau raws li ib hom hauv lub plawv.
  4. Kev Poob Qhov Khoov: Kev poob zog ntxiv los ntawm kev khoov fiber nruj; G.657 cov fiber uas tsis kam khoov muaj kev ua tau zoo heev ntawm qhov ntsuas no.
  5. Hom Field Diameter: Qhov loj me ntawm qhov teeb pom kev zoo hauv ib hom tub ntxhais, ncaj qha cuam tshuam rau kev sib txuas ntawm cov fiber thiab optoelectronic.
  6. Bandwidth (MHz·km): Core parameter rau multimode fiber, txiav txim siab qhov muaj peev xwm xa xov ceev ceev luv luv.

2.2 Kev Sib Piv ntawm Cov Hom Fiber Tseem Ceeb Thoob Plaws Rau Wavebands

2.2.1 Multimode Fiber (850 nm tshwj xeeb, ib nrab luv luv 1310 nm sib xws)

Multimode fiber muaj kev sib kis loj heev ntawm 1383/1490/1550/1625 nm thiab tsis tuaj yeem txhawb nqa kev sib kis mus ntev:
  • OM1 (62.5/125 μm): 3.0 dB/km @850 nm, 200 MHz·km bandwidth; siab tshaj 33 m rau 10G Ethernet.
  • OM2 (50/125 μm): 2.5 dB/km @850 nm, 500 MHz·km bandwidth; 82 m siab tshaj plaws rau 10G Ethernet.
  • OM3/OM4 (Laser-optimized 50/125 μm): OM3:2000 MHz·km, 300 m@10G; OM4:4700 MHz·km,550 m@10G.
  • OM5: Ob lub qhov rai zoo (850 nm + 953 nm), kho kom haum rau kev sib txuas lus luv luv 400G chaw khaws ntaub ntawv.

2.2.2 G.652 Universal Single-Hom Fiber (Tag nrho rau-waveband sib xws rau G.652C / D)

  • G.652A/B (Nce dej siab): Tsis siv tau rau 1383 nm vim yog poob dej nqus ntau tshaj 5 dB/km; 0.35 dB/km & xoom dispersion @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 (Qis-dej-peak): Kev tshem tawm OH⁻ zoo tshaj plaws, qis dua 0.4 dB/km@1383 nm, muaj rau-waveband puv ntoob, fiber tseem ceeb rau metro thiab nkag mus rau hauv network.
    Qhov ntev ntawm qhov txiav tawm ≤1260 nm, hom teb txoj kab uas hla 9.2 μm, kev ua haujlwm khoov txheem.

2.2.3 G.653 Dispersion-Shifted Fiber

Qhov chaw tawg xoom hloov mus rau 1550 nm; qhov tawg ze-xoom ntawm C-band thaum qhov tawg ntau dhau ntawm 1310 nm, tsis haum rau cov wavelengths luv. Kev Sib Xyaws Plaub-Ntug Loj txwv nws txoj kev siv hauv ntau-channel DWDM, tsuas yog rau ib-wavelength ultra-ntev kab ntiag tug.

2.2.4 G.655 Tsis-Xoom Dispersion-Shifted Fiber

Muaj qhov seem me me ntawm qhov sib txawv ntawm 1550 nm kom sib npaug ntawm qhov sib txawv ntawm kev them nyiaj thiab kev tswj tsis raws cai, tsuas yog rau C/L-band backbone DWDM thiab transoceanic submarine cable; kev ua haujlwm tsis zoo ntawm 1310 nm thiab qis dua wavelengths.

2.2.5 G.657 Cov Fiber Uas Tsis Muaj Kev Cuam Tshuam (FTTH Sab Hauv Tsev Drop Cable)

Muab faib ua A1 (kev kho kom zoo nkauj me me) thiab B2 (lub vojvoog khoov me me); poob qis heev nyob rau hauv kev sib txuas nruj, sib xws nrog rau rau lub wavebands, cov khoom siv txheem rau FTTH sab hauv tsev poob cable thiab FTTR tsev xov hlau.
Qhov ntev ntawm lub zog 850 nm 1310 nm 1383 nm (Qis-dej-ncov) 1490 nm 1550 nm 1625 nm
Kev Txom Nyem Ib Txwm Muaj (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

Tshooj 3 Daim Ntawv Thov Scenario, Kev Xaiv Fiber & Kev Sib Piv Sib Piv rau Rau Wavebands

3.1 850 nm: Chaw Khaws Cov Ntaub Ntawv & Kev Sib Txuas Lus Hauv Tsev Kawm Ntawv LAN

Sib phim FiberTsuas yog OM1 ~ OM5 tag nrho cov koob multimode fiber xwb
Kev Sib KisKev sib txuas lus cia khoom: Gigabit/10G/25G Ethernet, Fiber Channel cia networking
Daim Ntawv Thov Ib Txwm Muaj: Txee thaj qaum, TOR-rau-server luv luv-ncua kev sib txuas hauv IDC, tsev kawm ntawv LAN thiab kev lag luam automation cabling, kis tau deb: 30 m ~ 550 m
Qhov Zoo thiab Qhov Tsis Zoo: Tus nqi qis VCSEL qhov chaw thiab kev tsim kho yooj yim; qhov kev sib kis tsawg, ib hom fiber yog qhov yuav tsum muaj thaum qhov deb tshaj 550 m.

3.2 1310 nm: Metro Point-to-Point Private Line & Standard Fiber Test

Sib phim FiberG.652 puv ntoob & G.657; tsis tshua muaj G.653/G.655
Kev Sib KisCov kab xauj SDH/MSTP ib txwm muaj, kev nkag mus rau cov fiber tsaus nti, kev sim kev lees txais fiber OTDR
Daim Ntawv Thov Ib Txwm Muaj: Txoj kab txuas ntawm lub tsev txhab nyiaj thiab lub nroog, kev nkag mus rau lub teeb pom kev zoo rau cov tuam txhab lag luam, kev nkag mus rau hauv zos ntawm cov neeg nqa khoom, qhov siab tshaj plaws ntawm ib qho kev ncav cuag ≤80 km; ntxiv electro-optic relay rau qhov deb ntev dua
Qhov Zoo thiab Qhov Tsis Zoo: Kev tawg tsis pub dhau qhov teeb liab cuam tshuam nrog cov khoom siv laus; tsis siv tau rau EDFA all-optical amplification, maj mam hloov los ntawm 1550 nm DWDM rau kev sib txuas lus ntev.

3.3 1383 nm: Metro CWDM Kev Nthuav Dav Spectrum Pheej Yig

Sib phim FiberTsuas yog G.652C/D & G.657 xwb; tsis siv tau rau cov dej siab G.652A/B
Kev Sib Kis8/16-channel CWDM coarse wavelength division multiplexing
Daim Ntawv Thov Ib Txwm Muaj: Lub nroog-theem ntiag tug CATV network, ntau-kev pabcuam fiber nthuav dav rau industrial park, mine & kev ruaj ntseg saib xyuas system, siab tshaj plaws ncav cuag ≤40 km
Qhov Zoo thiab Qhov Tsis ZooKev siv spectrum zoo yam tsis muaj kev tso fiber tshiab; tsis muaj EDFA amplification txwv tsis pub xa mus deb heev.

3.4 1490 nm: Kev Nkag Mus Rau FTTH PON Fiber Thoob Ntiaj Teb

Sib phim FiberG.652D rau lub cev pub mis + G.657 rau sab hauv tsev poob cable
Kev Sib KisEPON/GPON/10G PON, ib leeg-fiber bidirectional (1490 down, 1310 up, 1550 rau xaiv CATV overlay)
Daim Ntawv Thov Ib Txwm MuajKev nkag mus rau hauv tsev broadband, kev sib txuas lus FTTO tag nrho, 20 km ODN trunk + tsis pub dhau 5 km sab hauv tsev
Qhov Zoo thiab Qhov Tsis ZooKev siv passive splitter-based centralized OLT deployment, ib lub fiber txhawb nqa 64 ~ 128 tus neeg siv kawg; ua lub hauv paus tseem ceeb ntawm kev tsim kho fiber broadband thoob ntiaj teb.

3.5 1550 nm: Ntev-Haul DWDM Backbone & CATV Optical Transmission

Sib phim FiberG.652 rau metro DWDM, G.655 rau lub teb chaws backbone & submarine cable, G.653 rau ib-wavelength ultra-ntev private kab
Kev Sib KisDWDM dense wavelength division multiplexing, analog CATV RF optical transport, 100G/400G high-speed backbone system
Daim Ntawv Thov Ib Txwm MuajCov xov hlau hla lub xeev, cov xov hlau submarine optical cable hla dej hiav txwv, fiberized CATV HFC network; EDFA-assisted all-optical amplification ua rau muaj kev sib kis tau txhiab mais tsis muaj repeater
Qhov Zoo thiab Qhov Tsis Zoo: Qhov tsawg kawg nkaus ntawm kev txo qis fiber ntxiv rau cov thev naus laus zis EDFA laus txhawb nqa terabit-qib ib leeg-fiber muaj peev xwm; tus nqi siab rau cov khoom siv kho qhov muag DWDM siab.

3.6 1625 nm: Kev Saib Xyuas Cable Hauv Kev Pabcuam & L-band DWDM Expansion

Sib phim FiberTxhua hom fiber ib hom suav nrog G.652 / G.655 / G.657
Kev Sib Kis: Online OTDR saib xyuas platform, L-band DWDM expansion khoom siv
Daim Ntawv Thov Ib Txwm MuajKev soj ntsuam ntse tiag tiag rau lub cable backbone, ceeb toom ua ntej tsis cuam tshuam ntawm qhov txhaum cable zais, nthuav dav peev xwm tom qab C-band spectrum saturation
Qhov Zoo thiab Qhov Tsis Zoo: Tsis muaj kev ua haujlwm ntawm cov kev pabcuam spectrum kom paub txog kev saib xyuas kab tsis nres, ua kom luv lub sijhawm txij nkawm cable; feem ntau xa mus rau cov kws tshaj lij O&M network.

Xaus lus

Rau tus qauv kev sib txuas lus wavebands tsim ib lub txheej txheem optical network daim ntawv thov raws li cov khoom siv silica optical: 850 nm dominates luv-ntau sab hauv tsev multimode cabling; 1310 nm ua haujlwm ua qhov tseem ceeb ib hom kev sim thiab tus kheej kab wavelength; 1383 nm ntxiv CWDM vacant spectrum; 1490 nm monopolizes FTTH passive optical nkag; 1550 nm ua haujlwm ua lub hauv paus ntawm kev taug kev ntev thiab CATV kis; 1625 nm tshwj xeeb hauv kev saib xyuas kev ua haujlwm online tsis cuam tshuam fiber. Kev xaiv fiber ua raws li txoj cai wavelength-oriented: multimode fiber rau 850 nm luv-ntau txuas, G.652D / G.657 rau 1310/1383/1490 nkag mus rau hauv network, G.655 tsis-xoom dispersion fiber rau 1550 ntev-haul DWDM, G.657 khoov-insensitive fiber rau sab hauv tsev FTTH xov hlau.
Tsav los ntawm kev tsim kho network 5G, qhov chaw khaws ntaub ntawv loj loj, kev sib txuas ceev ceev thiab FTTR tag nrho cov fiber hauv tsev, G.652D qis-dej-peak thiab G.657 uas tsis yooj yim khoov maj mam dhau los ua cov lus qhia fiber tseem ceeb hauv kev lag luam optical thoob ntiaj teb. CWDM kev nthuav dav xav tau ntawm 1383 nm thiab L-band 1625 nm khaws cia loj hlob txhua xyoo; 850 nm multimode tswj hwm qhov chaw tseem ceeb rau kev sib txuas luv luv-deb, thaum 1550 nm tseem yog lub qhov rais kub tsis hloov pauv rau kev sib txuas lus optical ntev-ntev uas vam khom rau EDFA amplification thev naus laus zis laus. Kev tswj hwm kev txo qis, cov yam ntxwv ntawm kev sib kis, cov xwm txheej sib phim fiber thiab ciam teb siv tau ntawm rau wavebands muab kev txhawb nqa theoretical tseem ceeb rau kev xaiv cov lus qhia fiber, kev tsim kho network optical thiab kev ua kom muaj peev xwm network uas twb muaj lawm.

Tiv Tauj Peb, Tau Txais Cov Khoom Zoo thiab Kev Pabcuam Zoo.

Kawm ntxiv

Xov xwm ntawm BLOG

Cov Ntaub Ntawv Txog Kev Lag Luam
Tsis Muaj Npe - 1 Daim Qauv eqo

Fiber Optic Cable kav ntev npaum li cas?

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Cov xov hlau fiber optic tau dhau los ua lub hauv paus ntawm cov tes hauj lwm sib txuas lus niaj hnub no, txhawb nqa internet ceev ceev, kev sib txuas lus, cov chaw khaws ntaub ntawv, 5G infrastructure, kev lag luam automation, thiab cov nroog ntse. Piv nrog cov xov hlau tooj liab ib txwm muaj, cov xov hlau fiber optic muab bandwidth siab dua, poob teeb liab qis dua, kev sib kis ntev dua, thiab tiv taus electromagnetic cuam tshuam zoo dua.

Yuav ua li cas xaiv cov Fiber Patch Cable zoo?

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Hauv cov tes hauj lwm sib txuas lus ceev ceev niaj hnub no, fiber thaj qaum tau dhau los ua ib qho ntawm cov khoom tseem ceeb tshaj plaws rau kev txuas cov khoom siv kho qhov muag, cov khoom siv network, thiab cov kab ke faib fiber. Los ntawm cov chaw khaws ntaub ntawv thiab cov tes hauj lwm sib txuas lus mus rau FTTH (Fiber to the Home) kev xa tawm thiab cov kab ke sib txuas lus hauv tuam txhab, cov xov hlau fiber patch muab kev sib txuas optical txhim khu kev qha, kev ua tau zoo.

Kev Tshawb Fawb Txog G.657.A1, G.657.A2 thiab G.657.B3

nyeem ntxiv
2026-07-13

Nrog rau kev xa tawm loj ntawm FTTH Fiber mus rau Tsev, AI computing data centers, 5G fronthaul, kev sib txuas lus hauv tsev, FPV drone miniature kev sib txuas lus thiab kev tsim kho tshiab tam sim no tsis muaj zog thoob ntiaj teb, cov fiber G.652D ib hom fiber ib txwm muaj kev puas tsuaj los ntawm kev poob khoov loj heev thiab qhov chaw txwv ntawm cov xov hlau, uas txwv tsis pub muaj kev teeb tsa ntawm cov tes hauj lwm sib txuas lus ceev ceev. Tsim los ntawm ITU-T, G.657 series khoov-insensitive ib hom fiber yog tsim tshwj xeeb rau cov ces kaum nqaim, cov xov hlau ntom ntom thiab cov xwm txheej micro-pipeline. Peb qib khoom tseem ceeb, G.657.A1 tus qauv khoov-resistant fiber, G.657.A2 txhim kho khoov-resistant fiber thiab G.657.B3 ultra-bend-insensitive fiber, txais yuav cov qauv sib txawv ntawm trench-assisted refractive index, thiab nthuav qhia qhov sib txawv ntawm qhov tsawg kawg nkaus khoov radius, hom teb txoj kab uas hla thiab kev ua haujlwm attenuation. Lawv npog tag nrho cov kev xav tau los ntawm kev lag luam hauv tsev neeg hluav taws xob mus rau ultra-compact tshwj xeeb hlau.