Cov lag luam vam khom cov xov hlau fiber optic rau kev xa cov ntaub ntawv zoo.ib hom fiber optic cabletxhawb kev sib txuas lus ntev nrog bandwidth siab, ua rau nws zoo tagnrho rau cov tes hauj lwm dav dav. Nyob rau hauv sib piv, ib tugmultimode fiber cable, kuj hu ua ib tugntau hom fiber optic cable, muab kev daws teeb meem pheej yig rau qhov luv dua. Xaiv qhov kev xaiv zoo ntawm ib hom fiber optic cable thiab ibmultimode fiber cablenyob ntawm cov kev xav tau ua haujlwm tshwj xeeb thiab kev txiav txim siab txog kev siv nyiaj.
Cov Ntsiab Lus Tseem Ceeb
- Ib hom fiber ntau ua haujlwm zoorau qhov deb ntev. Nws tuaj yeem xa cov ntaub ntawv ntau dua 100 kilometers nrog qhov ceev ceev.
- Multimode fiber zoo dua rau qhov luv luv, feem ntau yog qis dua 2 kilometers. Nws pheej yig dua thiab zoo rau cov tes hauj lwm hauv zos.
- Yuav kom xaiv tau cov fiber zoo,xav txog qhov deb, qhov xav tau ceev, thiab koj cov peev nyiaj los txiav txim siab seb yam twg haum rau koj txoj kev lag luam.
To taub Ib hom thiab Multimode Fiber
Dab tsi yog Single-mode Fiber?
Ib hom fiber ntauyog ib hom fiber ntau optical uas tsim los rau kev xa cov ntaub ntawv mus deb thiab muaj bandwidth ntau. Nws lub plawv txoj kab uas hla feem ntau yog li ntawm 8 txog 10 microns, uas cia lub teeb mus ncig hauv ib txoj kev ncaj qha. Qhov kev tsim no txo qhov kev sib kis ntawm cov teeb liab thiab ua kom muaj kev xa cov ntaub ntawv zoo dua ntawm qhov deb ntev.
Cov lus qhia tseem ceeb ntawm cov fiber ntau ib hom suav nrog:
- Txoj kab uas hla ntawm lub hauv paus: 8 txog 10.5 microns
- Txoj kab uas hla ntawm cladding: 125 microns
- Cov Wavelengths txhawb nqa: 1310 nm thiab 1550 nm
- Bandwidth: Ntau terahertz
| Cov Lus Qhia Tshwj Xeeb | Tus nqi |
|---|---|
| Txoj kab uas hla ntawm lub hauv paus | 8 txog 10.5 μm |
| Txoj kab uas hla ntawm cladding | 125 μm |
| Kev Txo Qhov Siab Tshaj Plaws | 1 dB/km (OS1), 0.4 dB/km (OS2) |
| Cov Wavelengths txhawb nqa | 1310 nm, 1550 nm |
| Bandwidth | Ntau THz |
| Kev txo qis | 0.2 txog 0.5 dB/km |
Qhov me me ntawm lub hauv paus txo qhov kev sib kis ntawm cov hom sib txuas, ua rau cov fiber ntau ib hom zoo tagnrho rau cov ntawv thov xws li kev sib txuas lus ntev thiab kev sib txuas hauv internet ceev.
Multimode Fiber yog dab tsi?
Multimode fiber ntauyog qhov zoo tshaj plaws rau kev xa cov ntaub ntawv luv luv. Nws lub hauv paus loj dua, feem ntau yog 50 txog 62.5 microns, tso cai rau ntau hom kev nthuav dav lub teeb. Qhov kev tsim no ua rau muaj kev sib kis modal ntau ntxiv, uas txwv nws qhov ntau thiab tsawg tab sis ua rau nws yog qhov kev daws teeb meem pheej yig rau cov tes hauj lwm hauv zos.
Cov yam ntxwv tseem ceeb ntawm multimode fiber muaj xws li:
- Txoj kab uas hla ntawm lub hauv paus: 50 txog 62.5 microns
- Cov Chaw TeebLEDs los yog VCSELs (850 nm thiab 1300 nm)
- Cov ntawv thovKev xa cov ntaub ntawv luv luv (qis dua 2 km)
| Yam ntxwv | Multimode Fiber (MMF) | Ib Hom Fiber (SMF) |
|---|---|---|
| Txoj kab uas hla ntawm lub hauv paus | 50µm txog 100µm (feem ntau yog 50µm lossis 62.5µm) | ~9µm |
| Hom Kev Sib Kis Lub Teeb | Ntau hom vim yog lub hauv paus loj dua | Ib hom xwb |
| Kev Txwv Bandwidth | Txwv vim yog kev sib kis modal | Bandwidth siab dua |
| Cov Ntawv Thov Tsim Nyog | Kev sib kis luv luv (qis dua 2 km) | Kev sib kis mus ntev |
| Cov Chaw Teeb | LEDs lossis VCSELs (850nm thiab 1300nm) | Cov laser diodes (1310nm lossis 1550nm) |
| Kev Ceev ntawm Kev Xa Cov Ntaub Ntawv | Txog li 100Gbit/sec, tus nqi siv tau sib txawv | Cov nqi siab dua ntawm qhov deb dua |
| Kev txo qis | Siab dua vim yog kev sib kis | Qis dua |
Multimode fiber feem ntau siv rau hauv cov tes hauj lwm hauv zos (LANs), cov chaw khaws ntaub ntawv, thiab lwm qhov chaw uas xav tau kev sib txuas luv luv, kev sib txuas ceev ceev.
Qhov Txawv Tseem Ceeb Ntawm Ib Hom Fiber Thiab Multimode Fiber
Qhov Loj ntawm Lub Cev thiab Kev Sib Kis Lub Teeb
Qhov loj ntawm lub fiber optic cable txiav txim siab seb lub teeb mus los li cas. Ib hom fiber muaj lub hauv paus txoj kab uas hla ntawm kwv yees li 9 microns, uas txwv lub teeb rau ib txoj kev. Qhov kev tsim no txo qhov kev sib kis thiab ua kom muaj kev xa cov ntaub ntawv zoo dua ntawm qhov deb ntev. Qhov sib piv, multimode fiber muaj lub hauv paus txoj kab uas hla loj dua, feem ntau yog 50 txog 62.5 microns, tso cai rau ntau hom teeb kom nthuav dav tib lub sijhawm. Thaum qhov no ua rau modal dispersion nce, nws ua rau multimode fiber haum rau cov ntawv thov luv luv.
| Hom Fiber | Qhov Loj ntawm Core (microns) | Cov yam ntxwv ntawm kev kis lub teeb |
|---|---|---|
| Ib Hom Fiber | 8.3 txog 10 | Txwv lub teeb rau ib hom, txo qhov kev tawg |
| Multimode Fiber | 50 txog 62.5 | Tso cai rau ntau hom teeb pom kev zoo kom nthuav dav tib lub sijhawm |
Kev Muaj Peev Xwm Nrug Deb
Ib hom fiber zoo heev hauv kev sib txuas lus ntev. Nws tuaj yeem xa cov ntaub ntawv txog li 100 kilometers yam tsis muaj amplification, ua rau nws zoo tagnrho rau cov tes hauj lwm dav dav thiab kev sib txuas lus. Multimode fiber, ntawm qhov tod tes, yog qhov zoo tshaj plaws rau qhov luv dua, feem ntau txog li 500 meters. Qhov kev txwv no tshwm sim los ntawm modal dispersion, uas cuam tshuam rau qhov zoo ntawm lub teeb liab dhau qhov ntev ntev.
| Hom Fiber | Qhov Nrug Deb Tshaj Plaws (tsis muaj amplifiers) | Qhov Nrug Deb Tshaj Plaws (nrog cov amplifiers) |
|---|---|---|
| Ib hom | Tshaj 40 km | Mus txog 100 km |
| Ntau hom | Mus txog 500 meters | Tsis muaj |
Bandwidth thiab Kev Ua Tau Zoo
Ib hom fiber muaj qhov bandwidth tsis txwv vim nws muaj peev xwm xa lub teeb hauv ib hom. Nws txhawb nqa cov ntaub ntawv tus nqi ntau dua 100 Gbps dhau qhov deb ntev. Multimode fiber, thaum muaj peev xwm ntawm cov ntaub ntawv tus nqi siab (10-40 Gbps), ntsib cov kev txwv bandwidth vim yog modal dispersion. Qhov no ua rau nws tsim nyog dua rau cov ntawv thov luv luv, ceev ceev xws li cov chaw khaws ntaub ntawv thiab LANs.
Kev Xav Txog Tus Nqi
Tus nqi ntawm cov kab ke fiber optic nyob ntawm cov yam xws li kev teeb tsa, cov khoom siv, thiab kev saib xyuas. Cov xov hlau fiber optic ib hom kim dua rau kev teeb tsa vim nws qhov kev xav tau meej thiab cov nqi transceiver siab dua. Txawm li cas los xij, nws ua rau tus nqi tsim nyog rau kev siv deb, kev siv bandwidth siab. Multimode fiber pheej yig dua rau kev teeb tsa thiab saib xyuas, ua rau nws yog qhov kev xaiv zoo rau cov tes hauj lwm luv luv.
| Qhov tseem ceeb | Ib Hom Fiber | Multimode Fiber |
|---|---|---|
| Tus nqi ntawm lub transceiver | kim dua 1.5 txog 5 npaug | Pheej yig dua vim yog siv thev naus laus zis yooj yim dua |
| Kev Teeb Tsa Nyuaj | Yuav tsum muaj kev txawj ua haujlwm thiab kev ua haujlwm kom raug | Yooj yim dua rau nruab thiab xaus |
| Kev Siv Nyiaj Zoo | Pheej yig dua rau kev ncua deb thiab bandwidth siab | Pheej yig dua rau qhov kev ncua deb luv luv thiab qis dua bandwidth |
Cov Ntawv Thov Ib Txwm Muaj
Cov fiber ntau hom siv dav hauv kev sib txuas lus, kev pabcuam hauv internet, thiab cov chaw khaws ntaub ntawv loj. Nws txhawb kev sib txuas lus ntev nrog qhov poob qis tshaj plaws. Cov fiber ntau hom feem ntau siv rau hauv LANs, cov chaw khaws ntaub ntawv, thiab cov tes hauj lwm hauv tsev kawm ntawv, qhov twg xav tau kev sib txuas luv luv, kev sib txuas ceev ceev.
| Hom Fiber | Kev Piav Qhia Txog Daim Ntawv Thov |
|---|---|
| Ib hom | Siv rau hauv kev sib txuas lus rau kev sib txuas lus ntev nrog kev xa cov ntaub ntawv ceev ceev. |
| Ib hom | Cov Chaw Muab Kev Pabcuam Internet ua haujlwm rau cov kev pabcuam internet ceev ceev hla thaj chaw loj nrog kev poob teeb liab tsawg kawg nkaus. |
| Ntau hom | Zoo tshaj plaws rau Local Area Networks (LANs) hauv cov tsev lossis cov tsev kawm ntawv me, xa cov ntaub ntawv ntawm qhov ceev ceev. |
| Ntau hom | Siv rau hauv cov chaw khaws ntaub ntawv los txuas cov servers rau cov switches hla qhov deb luv luv ntawm cov nqi qis dua. |
Cov Zoo thiab Qhov Tsis Zoo ntawm Ib Hom Fiber thiab Multimode Fiber
Cov txiaj ntsig thiab qhov tsis zoo ntawm Single-hom Fiber
Ib hom fiber muaj ntau qhov zoo, tshwj xeeb tshaj yog rau kev siv deb thiab bandwidth siab. Nws lub core me me txo qhov kev sib kis modal, ua rau kev xa cov ntaub ntawv zoo dua ntawm qhov deb ntev. Qhov no ua rau nws zoo tagnrho rau kev sib txuas lus, cov chaw khaws ntaub ntawv loj, thiab cov tes hauj lwm hauv tuam txhab. Tsis tas li ntawd, ib hom fiber txhawb nqa cov ntaub ntawv siab dua, ua kom muaj peev xwm nthuav dav rau cov kev xav tau network yav tom ntej.
Txawm li cas los xij, ib hom fiber ntau kuj tseem muaj teeb meem. Cov cables lawv tus kheej yogpheej yig heev, tab sis cov khoom siv cuam tshuam, xws li lasers thiab transceivers, tuaj yeem ua rau cov nqi nce ntxiv. Kev teeb tsa xav tau kev ua haujlwm raug thiab kev ua haujlwm txawj, uas ntxiv rau qhov nqi. Cov yam no ua rau ib hom fiber tsis haum rau cov haujlwm uas muaj nqi siab.
| Cov txiaj ntsig | Qhov tsis zoo |
|---|---|
| Kev sib kis teeb liab ntev | Cov nqi tsim khoom ntau dua vim muaj kev kam rau siab dua |
| Muaj peev xwm bandwidth zoo heev | Yuav tsum tau kev teeb tsa thiab kev tuav pov hwm kom meej |
| Txhawb nqa cov ntaub ntawv siab dua | Kev cuam tshuam nyiaj txiag rau cov haujlwm uas tsis muaj nqi |
Cov txiaj ntsig thiab qhov tsis zoo ntawm Multimode Fiber
Multimode fiber yog ib qhokev daws teeb meem uas pheej yigrau cov ntawv thov luv luv. Nws lub hauv paus loj dua ua rau kev teeb tsa yooj yim dua thiab txo cov nqi zog ua haujlwm. Qhov no ua rau nws yog qhov kev xaiv nrov rau cov tes hauj lwm hauv zos (LANs), cov chaw khaws ntaub ntawv, thiab cov tes hauj lwm hauv tsev kawm ntawv. Nrog rau kev nce qib zoo li OM5 fiber, multimode fiber tam sim no txhawb nqa 100Gb / s kev xa mus siv ntau lub wavelengths, txhim kho nws cov peev xwm bandwidth.
Txawm hais tias muaj cov txiaj ntsig no los xij, multimode fiber muaj cov kev txwv. Nws qhov kev ua tau zoo txo qis dua qhov deb dua vim yog modal dispersion. Tsis tas li ntawd, nws cov bandwidth nyob ntawm qhov wavelength kis, uas tuaj yeem cuam tshuam rau kev ua haujlwm ntawm qhov siab dua lossis qis dua wavelengths. Cov yam no txwv nws siv rau cov ntawv thov luv luv.
- Cov txiaj ntsig:
- Pheej yig rau kev ncua deb.
- Kev teeb tsa yooj yim txo cov nqi zog ua haujlwm.
- Txhawb kev sib kis ceev ceev hauv cov tes hauj lwm hauv tuam txhab.
- Cov Kev Sib Tw:
- Tsawg ntau vim yog modal dispersion.
- Bandwidth nyob ntawm qhov wavelength ntawm kev xa xov.
Multimode fiber tseem yog qhov kev xaiv zoo rau cov lag luam uas muab qhov tseem ceeb rau tus nqi thiab kev yooj yim dua li kev ua haujlwm ntev.
Xaiv Cov Kab Hlau Fiber Zoo Rau Koj Lub Lag Luam
Kev Soj Ntsuam Qhov Yuav Tsum Tau Ua Kom Deb
Qhov deb ua lub luag haujlwm tseem ceeb hauv kev txiav txim siab seb puas yog cov xov hlau fiber tsim nyog rau kev lag luam. Cov xov hlau ib hom zoo heev hauv kev siv ntev, txhawb nqa kev xa cov ntaub ntawv mus txog 140 kilometers yam tsis muaj kev nthuav dav. Qhov no ua rau nws zoo tagnrho rau cov tes hauj lwm sib txuas lus thiab kev sib txuas lus ntev. Multimode fiber, ntawm qhov tod tes, yog qhov zoo tshaj plaws rau qhov deb luv dua, feem ntau txog li 2 kilometers. Nws feem ntau siv rau hauv cov ntawv thov hauv tsev, xws li txuas cov servers hauv cov chaw khaws ntaub ntawv lossis pab txhawb cov tes hauj lwm hauv tsev kawm ntawv.
| Hom Fiber | Qhov Deb Tshaj Plaws | Daim Ntawv Thov Xwm Txheej |
|---|---|---|
| Ib Hom | Mus txog 140 km | Kev sib txuas lus hauv tsev thiab kev sib txuas lus ntev |
| Ntau hom | Mus txog 2 km | Cov ntawv thov sab hauv tsev thiab cov chaw khaws ntaub ntawv |
Cov lag luam yuav tsum soj ntsuam lawv qhov kev teeb tsa network thiab kev sib txuas lus kom txiav txim siab seb hom fiber twg zoo tshaj plaws rau lawv qhov kev xav tau deb.
Kev Soj Ntsuam Xyuas Qhov Xav Tau Bandwidth
Cov kev xav tau bandwidth nyob ntawm qhov ntim thiab qhov ceev ntawm kev xa cov ntaub ntawv. Ib hom fiber txhawb nqa cov nqi ntaub ntawv siab, feem ntau tshaj kaum tawm gigabits ib ob, ua rau nws tseem ceeb rau cov tes hauj lwm muaj peev xwm siab xws li kev sib txuas lus thiab kev pabcuam hauv internet. Multimode fiber yog qhov zoo tshaj plaws rau bandwidth siab dua qhov luv dua, ua rau nws haum rau cov chaw khaws ntaub ntawv thiab cov tes hauj lwm hauv zos. Txawm li cas los xij, modal dispersion txwv nws qhov ua tau zoo rau kev khiav ntev dua.
Cov xov hlau fiber optic ib hom yog qhov tseem ceeb rau cov lag luam uas xav tau kev xa cov ntaub ntawv loj, xws li kev suav huab thiab kev pabcuam TV cable. Multimode fiber tseem yog qhov kev xaiv zoo rau cov lag luam uas muab qhov tseem ceeb rau kev xa cov ntaub ntawv ntau hauv qhov chaw nqaim.
Xav txog cov kev txwv ntawm cov peev nyiaj
Cov kev txwv nyiaj txiag feem ntau cuam tshuam rau kev xaiv ntawm ib hom fiber thiab multimode fiber. Cov kab ke fiber ib hom muaj cov nqi siab dua vim yog cov thev naus laus zis siab heev thiab cov kev xav tau kev teeb tsa meej. Txawm li cas los xij, lawv muab kev nthuav dav thiab tus nqi mus sij hawm ntev rau cov lag luam npaj kev loj hlob yav tom ntej. Cov kab ke fiber ntau hom muaj txiaj ntsig zoo dua, nrog rau cov thev naus laus zis yooj yim dua thiab cov nqi teeb tsa qis dua.
- Kev Scalability: Ib hom fibers zoo tagnrho rau cov teeb tsa loj uas xav tau kev loj hlob yav tom ntej.
- Nyiaj Txiag: Cov fibers multimode zoo dua rau cov peev nyiaj me dua thiab cov kev xav tau tam sim ntawd.
Cov lag luam yuav tsum xav txog cov nqi ua ntej piv rau cov txiaj ntsig mus sij hawm ntev kom txiav txim siab tau zoo.
Kev Sib Txuas Hom Fiber rau Cov Ntawv Thov Lag Luam
Qhov kev xaiv hom fiber yuav tsum phim nrog cov ntawv thov lag luam tshwj xeeb. Ib hom fiber yog qhov zoo tagnrho rau kev sib txuas lus ntev, kev pabcuam internet ceev ceev, thiab cov chaw khaws ntaub ntawv loj. Multimode fiber zoo dua rau cov ntawv thov luv luv, xws li cov tes hauj lwm hauv zos thiab kev sib txuas ntawm cov neeg rau zaub mov hauv cov chaw khaws ntaub ntawv.
| Kev ntsuas | Ib Hom Fiber (SMF) | Multimode Fiber (MMF) |
|---|---|---|
| Bandwidth | Txhawb nqa cov ntaub ntawv ceev, feem ntau tshaj kaum tawm Gbps | Optimized rau bandwidth siab dua qhov luv dua |
| Kev Kis Nrug Deb | Muaj peev xwm xa cov ntaub ntawv mus txog 100 km yam tsis muaj amplification | Siv tau zoo txog li 550 meters ntawm cov nqi ntaub ntawv qis dua |
| Daim Ntawv Thov | Zoo tagnrho rau kev sib txuas lus deb thiab cov tes hauj lwm muaj peev xwm siab | Qhov zoo tshaj plaws rau kev siv high-throughput, luv luv-deb daim ntawv thov |
Kev nce qib hauv ob hom fiber txuas ntxiv txhim kho lawv cov peev xwm, kom ntseeg tau tias cov lag luam tuaj yeem xaiv cov kev daws teeb meem uas haum rau lawv cov kev xav tau ua haujlwm.
Kev xaiv cov fiber optic cable zoo yog qhov tseem ceeb rau kev ua kom zoo dua kev sib txuas lus ua lag luam. Single mode fiber optic cable muab kev ua tau zoo tsis sib xws rau kev siv deb, high-bandwidth, ua rau nws zoo tagnrho rau kev sib txuas lus thiab cov tes hauj lwm loj. Multimode fiber, ntawm qhov tod tes, muab kev daws teeb meem pheej yig rau kev xa cov ntaub ntawv luv luv, ceev ceev, tshwj xeeb tshaj yog nyob rau hauv cov chaw khaws ntaub ntawv thiab cov tes hauj lwm hauv zos.
Qhov kev thov kom muaj kev sib txuas ceev ceev, uas tau tsav los ntawm kev nce qib zoo li 5G thiab cov chaw khaws ntaub ntawv niaj hnub, qhia txog qhov tseem ceeb ntawm cov fiber ntau multimode rau cov ntawv thov luv luv. Txawm li cas los xij, fiber optics, feem ntau, dhau cov xov tooj liab hauv kev ceev, kev ntseeg siab, thiab kev siv nyiaj mus sij hawm ntev. Cov lag luam yuav tsum soj ntsuam lawv qhov deb, bandwidth, thiab cov kev xav tau nyiaj txiag kom txiav txim siab tau zoo. Dowell muab cov kev daws teeb meem fiber optic kom haum rau ntau yam kev xav tau ua lag luam.
Cov Lus Nug Feem Ntau
Qhov txawv tseem ceeb ntawm ib hom fiber thiab multimode fiber yog dab tsi?
Ib hom fiber ntauxa lub teeb hauv ib txoj kev, ua kom muaj kev sib txuas lus ntev. Multimode fiber tso cai rau ntau txoj kev teeb, ua rau nws tsim nyog rau cov ntawv thov luv luv.
Puas yog multimode fiber txhawb nqa kev xa cov ntaub ntawv ceev ceev?
Yog,ntau hom fibertxhawb nqa kev xa cov ntaub ntawv ceev ceev, feem ntau yog txog li 100 Gbps. Txawm li cas los xij, nws qhov kev ua tau zoo txo qis thaum mus deb dua vim yog qhov kev sib kis ntawm modal.
Hom fiber twg pheej yig dua rau cov lag luam?
Cov fiber ntau hom (multimode fiber) pheej yig dua rau cov tes hauj lwm luv luv vim tias cov nqi teeb tsa thiab cov khoom siv qis dua. Cov fiber ib hom muab cov nqi zoo dua rau kev siv ntev thiab muaj bandwidth siab.
Lub sijhawm tshaj tawm: Lub Peb Hlis-26-2025