Fiber splice poob yog ib feem ntawm optical teeb liab fais fab uas tsis dhau los ntawm qhov chaw uas ob fibers koom. Txawm tias ib qho me me ntawm kev poob ntawm ib qho kev sib txuas tuaj yeem sib txuas thoob plaws hauv lub network nrog ntau ntau lossis ntau pua ntawm cov ntsiab lus sib txuas, siv cov kab txuas txuas thiab ua rau kev ua haujlwm tag nrho. Tias yog vim li cas splice poob tseem ceeb rau txhua tus uas tsim, nruab, lossis tswjfiber ntau optic cableinfrastructure.
Cov lus qhia no suav nrog qhov kev poob qis yog vim li cas, vim li cas nws tshwm sim, ntsuas nws kom raug, qhov txiaj ntsig zoo li cas hauv cov xwm txheej sib txawv, thiab yuav ua li cas los daws cov teeb meem uas poob sab nraud.
Dab tsi yog Fiber Splice Poob?
Fiber splice yog ib qho chaw ruaj khov lossis ib nrab - kev sib txuas mus tas li uas ob qhov kawg ntawm fiber ntau tau coj los ua ke los tsim txoj hauv kev txuas ntxiv mus. Splice poob yog qhov txo qis hauv lub zog kho qhov muag ntawm qhov kev sib tshuam, ntsuas hauv decibels (dB). Splice poob sawv cev rau lub hwj chim kho qhov muag uas tsis tau ua tiav los ntawm qhov sib txuas ntawm qhov taw tes thiab hloov pauv tawm ntawm cov fiber ntau.
Nws pab kom paub qhov txawv splice poob los ntawm ob lub ntsiab lus zoo sib xws. Insertion poob yog ib qho kev ntsuas dav uas ntes tag nrho cov teeb liab txo los ntawm kev ntxiv ib qho khoom sib txuas - ib qho txuas, txuas txuas, lossis ib qho sib txuas - rau hauv txoj kev kho qhov muag. Tag nrho fiber ntau attenuation tso nyiaj rau txhua qhov kev poob ntawm qhov txuas tag nrho, suav nrog cable nws tus kheej, txuas, splices, khoov, thiab cov khoom siv passive. Ib qho splice yuav zoo li zoo ntawm nws tus kheej, tab sis thaum nws poob yog ua ke nrog txhua lwm tus neeg koom nrog hauv qhov txuas, tag nrho tuaj yeem tshaj qhovpoob nyiaj txiagthiab ua rau muaj teeb meem kev sib kis.
Dab tsi ua rau Fiber Splice Poob?
Splice poob los ntawm ob pawg ntawm yam: intrinsic thiab extrinsic.
Qhov Ua rau Intrinsic
Intrinsic yam yog tsim rau hauv cov fibers lawv tus kheej thiab tsis tuaj yeem hloov tau thaum lub sij hawm splicing txheej txheem. Qhov tseem ceeb tshaj plaws yog qhov tsis sib haum xeeb hauv txoj kab uas hla (MFD) ntawm ob lub fibers tau koom nrog. Thaum ob lub fibers muaj qhov sib txawv MFD qhov tseem ceeb - txawm fibers ntawm tib hom nominal los ntawm txawv manufacturing batch - qee lub teeb poob ntawm qhov kev hloov. Lwm qhov kev koom ua ke muaj xws li qhov sib txawv ntawm cov kab uas hla, cov tub ntxhais concentricity, cov lej aperture, thiab qhov ntsuas qhov ntsuas qhov ntsuas. Cov kev hloov pauv no feem ntau yog me me rau cov fibers ntawm tib qhov tshwj xeeb, tab sis lawv ua qhov tseem ceeb dua thaum sib txuas cov fiber ntau sib txawv, xws li koom nrog.tib - hom fiber ntauua raws li G.652.D kom khoov-insensitive G.657 fiber ntau.
Extrinsic Uas
Extrinsic yam tshwm sim los ntawm cov txheej txheem splicing nws tus kheej thiab feem ntau nyob rau hauv lub installer tswj. Qhov feem ntau extrinsic ua rau muaj kab mob ntawm lub ntsej muag fiber ntau, tsis zoo cleave zoo (lub kaum sab xis, di ncauj, los yog hackle), lateral los yog angular misalignment ntawm lub fiber cores, thiab cov tub ntxhais deformation los ntawm qhov tsis raug fusion tsis. Ib puag ncig tej yam kev mob - kub heev, cua, plua plav, thiab kev vibration - kuj tuaj yeem degrade splice zoo thaum ua hauj lwm hauv teb.
Nyob rau hauv feem ntau tiag tiag - lub ntiaj teb no qhov teeb meem, siab splice poob ib tug rov qab mus rau kev npaj thiab tuav yuam kev es tsis yog rau kab txawv fiber ntau physics. Ib qhov qias neeg fiber ntau los yog qhov tsis zoo cleave yuav ua rau kev teeb tsa zoo meej splice. Tias yog vim li cas cov kws tshaj lij tau nqis peev feem ntau ntawm lawv cov kev siv zog hauv kev npaj fiber ntau, tsis yog hauv kev kho cov txheej txheem splicer siab heev.
Fusion Splicing vs. Mechanical Splicing: Poob Performance Compared
Muaj ob txoj hauv kev tseem ceeb rau kev koom nrog cov fibers optical, thiab lawv tsim cov yam ntxwv sib txawv heev.
Fusion Splicing
Fusion splicingmus tas li koom nrog ob qhov kawg ntawm fiber ntau los ntawm melting lawv ua ke nrog ib tug precisely tswj fais arc. Niaj hnub nimno fusion splicers siv active core alignment thiab automated arc calibration kom tiav tsis tu ncua splice poob. Raws li covFiber Optic Association (FOA), tus nqi npaj ib txwm rau ib zaug - hom fusion splice poob yog 0.15 dB ib splice, thiab cov kws tshaj lij niaj hnub ua tiav cov txiaj ntsig zoo hauv qab 0.1 dB. Fusion splicing kuj ua rau qhov rov qab xav txog tsawg kawg, uas tseem ceeb hauv cov tshuab ua kom rov qab poob, xws li cov yeeb yaj kiab analog lossis siab - sib kis ceev.
Mechanical Splicing
Mechanical splicing aligns ob fiber ntau xaus nyob rau hauv ib tug precision vaj tse thiab tuav lawv nyob rau hauv qhov chaw nrog ib tug clamp los yog latch, siv Performance index - txuam gel kom txo tau qhov kev xav thiab poob ntawm huab cua sib txawv. Nws tsis tas yuav fuse lub iav. Tus qauv EIA / TIA 568 tso cai rau qhov siab tshaj plaws splice poob ntawm 0.3 dB, thiab cov neeg kho tshuab splice poob ntau ntawm 0.2 dB txog 0.75 dB nyob ntawm seb hom splice thiab cov kev txawj nruab. Mechanical splicing yuav tsum tau siv cov cuab yeej kim dua thiab kev kawm tsawg dua, ua rau nws siv tau rau kev kho thaum muaj xwm txheej ceev, kev sib txuas ib ntus, lossis cov xwm txheej uas muajfusion splicer uatsis muaj.
Txoj kev twg los xaiv
Rau kev txhim kho mus tas li qhov ua tau zoo thiab ntev - kev cia siab rau lub sijhawm yog qhov tseem ceeb - tshwj xeeb tshaj yog rausab nraum cov nroj tsuag txuaslos yog siab -cov ntaub ntawv ceev ceev interconnects - fusion splicing yog tus qauv xaiv. Mechanical splicing tseem muaj txiaj ntsig rau kev kho sai sai, thaj ua rau thaj ib ntus, thiab cov ntawv thov uas qhov siab dua ntawm -splice poob tuaj yeem nqus tau hauv cov peev nyiaj txuas. Ntau tus neeg ua haujlwm hauv xov tooj siv fusion splicing rau lub nraub qaum thiab ntev - kev thauj mus los thaum khaws cov khoom siv kho tshuab splice rau kev kho thaum muaj xwm txheej ceev.
Yuav Ua Li Cas Fiber Splice Loss Measured?
Ob lub cuab yeej tseem ceeb yog siv los ntsuas qhov poob ntawm qhov sib tsoo, thiab lawv teb cov lus nug sib txawv.
OTDR Test rau Splice Txheej xwm
Optical Time Domain Reflectometer (OTDR) xa cov pulses luv luv ntawm lub teeb rau hauv fiber ntau thiab tshuaj xyuasbackscattered teeb liabkom characterize cov xwm txheej raws qhov txuas. Nws tuaj yeem txheeb xyuas qhov chaw sib txuas ntawm tus kheej, kwv yees qhov poob ntawm txhua qhov xwm txheej, thiab tshawb xyuas cov teeb meem xws li kev khoov ntau dhau lossis tawg. Rau cov tes hauj lwm uas muaj ntau qhov sib txuas hla ntev, OTDR yog qhov tseem ceeb rau kev txheeb xyuas tias txhua qhov sib txuas ua tau raws li qhov tshwj xeeb.
Txawm li cas los xij, ib qho -kev taw qhia OTDR kev ntsuas tsuas yog muab qhov kwv yees ntawm kev sib tw poob, tsis yog qhov ntsuas qhov tseeb. Thaum ob lub fibers muaj qhov sib txawv backscatter coefficients - uas tshwm sim thaum twg fibers nrog txawv MFD qhov tseem ceeb tau koom nrog - ib qho - txoj kev OTDR kev nyeem ntawv tuaj yeem ua rau overstate lossis understate qhov poob tiag. Qee zaum, nws tuaj yeem pom qhov pom tseeb "gainer," uas zoo li qhov tsis zoo ntawm qhov sib txuas. Raws liCommScope piav qhia, cov nyhuv no yog qhov pom qhov muag pom tshwm sim los ntawm kev hloov pauv hauv qib backscatter, tsis yog lub teeb liab amplification tiag tiag.
Vim li cas Bidirectional Averaging Matters
Cov txheej txheem kev lag luam tus qauv rau qhov tseeb OTDR-raws li kev ntsuas kev poob qis yog kev sim bidirectional. Raws liVIAV Solutions, ntsuas qhov sib npaug ntawm ob qho kawg thiab qhov nruab nrab ntawm ob qhov txiaj ntsig tshem tawm qhov backscatter - cuam tshuam txog qhov yuam kev. TIA-FOTP-61 tus qauv yuav tsum muaj txoj hauv kev ob txoj hauv kev rau kev ntsuam xyuas kev poob qis. Yog tsis muaj nws, cov kws kho mob pheej hmoo lees txais cov splices uas phem dua li lawv tshwm sim lossis tsis tsim nyog rov ua haujlwm dua tshiab uas ua tau zoo.
Ib qho piv txwv qhia tau hais tias yog vim li cas qhov no tseem ceeb: qhov sib txuas ntawm G.652.D thiab G.657 fiber ntau yuav pom 0.35 dB poob thaum kuaj los ntawm ib qho kev taw qhia, ua rau muaj kev txhawj xeeb. Kev sim los ntawm qhov sib txawv, tib lub splice yuav pom qhov nce ntawm −0.10 dB. Qhov nruab nrab bidirectional - kwv yees li 0.12 dB - sawv cev rau qhov tseeb splice poob thiab zoo nyob rau hauv kev txwv. Yog tsis kuaj ob qho kev qhia, tus kws kho mob yuav tau nkim sij hawm rov-spling ib qho kev sib koom ua ke zoo kawg nkaus.
Insertion Loss Testing nrog OLTS
Rau kev sib txuas - qib kev lees paub, Kev Ntsuas Kev Ntsuas Qhov Teeb Meem (OLTS) - suav nrog lub teeb pom kev zoo thiab lub zog ntsuas hluav taws xob - ntsuas tag nrho cov kev poob qis thoob plaws tag nrho cov kab hluav taws xob. Qhov kev sim no ntes txhua tus neeg pab cuam poob rau hauv ib qho kawg - mus rau - ntsuas qhov kawg: fiber ntau attenuation, connector poob, thiab splice poob ua ke. Ntaufiber optic cable kuajcov qauv yuav tsum tau muaj qhov kev ntsuam xyuas qhov poob raws li qhov tseem ceeb dhau los / tsis ua tiav, nrog rau kev sim OTDR siv los ua cov cuab yeej ntxiv rau kev tshwm sim - qib kev kuaj mob.
Dab tsi yog Qhov Txais Fiber Splice Poob?
Tsis muaj ib tug universal pib. Kev lees txais splice poob nyob ntawm hom fiber ntau, txoj kev splicing, daim ntawv thov, thiab tag nrho cov nyiaj poob ntawm qhov txuas.
Kev npaj cov nqi los ntawm Fiber thiab Splice Hom
FOA muab kev qhia dav dav txog qhov tseem ceeb rau kev suav nyiaj poob nyiaj. Rau ib qho - hom fusion splices, tus nqi npaj tau pom zoo yog0.15 dB rau splice. Rau multimode mechanical splices, tus nqi yog 0.3 dB ib splice. TIA-568 tus qauv teeb tsa qhov siab tshaj plaws tso cai splice poob ntawm 0.3 dB. Cov nuj nqis no yog cov kev kwv yees kwv yees rau kev tsim-theem kev xam, tsis dhau qhov kev txwv tsis pub dhau / tsis txwv rau tus kheej splices hauv thaj teb.
Hauv kev xyaum, niaj hnub fusion splicers ntawm zoo - npajtib - hom fiber ntautsis tu ncua tsim splice poob qis dua 0.05 dB. Ntawmmultimode fiber ntau, cov txiaj ntsig zoo li me ntsis siab dua tab sis tseem feem ntau poob qis dua 0.15 dB nrog cov khoom siv fusion.
Kev Pom Zoo Loss hauv Cov Ntsiab Lus: Txoj Kev Loss Nyiaj Txiag
Ib qho splice uas ntsuas 0.20 dB yuav ua tau zoo kawg nkaus ntawm qhov txuas hauv tsev kawm ntawv luv luv nrog ntau cov paj, tab sis tus nqi tib yam tuaj yeem tsis lees txais ntawm qhov ntev -haul sab nraum cov nroj tsuag txoj kev uas kaum ob ntawm splices tawm hauv chav me me hauv cov peev nyiaj poob. Txoj hauv kev kom raug yog los xam tag nrho cov nyiaj txuas poob nyiaj - accounting raufiber ntau attenuation, connector poob, splice poob, thiab ib qho passive Cheebtsam - thiab tom qab ntawd xyuas kom meej tias qhov ntsuas qhov kawg -rau - qhov kawg poob poob rau hauv cov peev nyiaj uas tsim nyog rau kev laus thiab kev kho yav tom ntej.
Ib qho kev sib txuas ntawm yam tsawg kawg 3 dB feem ntau pom zoo kom suav rau kev laus ntawm cov khoom siv, kev sib txuas ntawm cov khoom sib txuas dua, thiab ua tau rau yav tom ntej splices xav tau kev kho cable.
Thaum twg los Resplic
Ib qho splice yuav tsum tau tshawb xyuas thiab muaj peev xwm rov ua haujlwm dua thaum ib qho ntawm cov xwm txheej hauv qab no siv: nws qhov kev ntsuas poob yog qhov siab dua li lwm cov splices ntawm tib qhov txuas; nws ua rau tag nrho qhov txuas poob mus kom ze lossis tshaj qhov peev nyiaj; nws zoo nkaus li anomalous ntawm kev rov kuaj dua; los yog tus splicer nws tus kheej kwv yees ib qho kev poob siab heev thaum lub sij hawm fusion txheej txheem. Yog tias ib qho re-cleave thiab re-splice tsis ua rau poob qis, qhov teeb meem yuav nyob nrog kev sib raug zoo ntawm fiber ntau, kev sib kis, lossis cov khoom siv calibration es tsis muaj hmoo.
Yuav Ua Li Cas Txo Cov Fiber Splice poob: Ib kauj ruam - los ntawm - Cov kauj ruam daws teeb meem ntws
Thaum ib qho splice ua rau poob siab dua li qhov xav tau, ua raws li cov kab ke no tsis yog dhia ncaj nraim mus rau qhov chaw siab tshaj lossis hloov khoom siv.
Kauj Ruam 1: Ntxuav thiab tshuaj xyuas cov Fiber Ends
Kev kis kab mob yog ib qho ua rau muaj kev sib tsoo siab. Cov plua plav, roj los ntawm kev tuav, tsis muaj gel residue, thiab cov khib nyiab hauv huab cua tuaj yeem tiv thaiv kev sib raug zoo fiber ntau thiab qhia kev tawg ntawm qhov sib txuas.Ntxuav cov stripped fiber ntaukom huv si nrog lint -dawb so thiab siab - purity isopropyl cawv ua ntej txhua qhov cleave. Yog tias muaj lub tshuab kuaj kab mob lossis tshuaj ntsuam xyuas, siv nws - cov kab mob sib kis tsis pom ntawm qhov muag liab qab feem ntau txaus los ua qhov tsis zoo.
Kauj Ruam 2: Re-Cleave Ua ntej Blaming tus Splicer
Ib qho tsis zoo - ib qho uas muaj lub kaum ntse ntse, daim di ncauj, lossis lub cim hackle - yuav ua rau lub siab - poob splice txawm hais tias lub splicer ua tau zoo npaum li cas. Yog tias poob poob siab heev, qhov kho sai tshaj plaws feem ntau yog rub ob peb centimeters ntxiv, rov-cleave, thiab sim dua. Paub meej tias cov hniav cleaver nyob rau hauv qhov zoo thiab qhov chaw zoo. Hnav los yog puas cleaver hniav yog ib tug nquag cov hauv paus ntsiab lus ntawm recurring siab - poob splices. Lub kaum sab xis hauv qab 1℃yog qhov zoo tagnrho; lub kaum sab xis saum toj 2 degrees yuav pom tau tias nce splice poob.
Kauj Ruam 3: Txheeb xyuas Fiber Compatibility
Xyuas kom paub tseeb tias ob lub fibers yog sib txuas. Kev koom nrog cov fibers nrog qhov sib txawv ntawm MFD qhov tseem ceeb - piv txwv li, splicing txheem G.652.D fiber ntau rau khoov-insensitive G.657 fiber ntau - yuav ua rau poob siab dua tsis hais txog kev npaj zoo. Thaum cov fibers sib txawv yuav tsum tau koom nrog, siv lub splicer nrog cov tub ntxhais kawm sib txuas thiab cia siab tias OTDR yuav qhia qhov sib txawv ntawm qhov xav tau.bidirectional nruab nrabtxhais kom raug.
Kauj Ruam 4: Tshawb xyuas Arc Calibration thiab Splicer Condition
Fusion splicers yuav tsum tau ncua sij hawm arc calibration, tshwj xeeb tshaj yog thaum ib puag ncig hloov. Kev hloov pauv kub, qhov siab qhov sib txawv, thiab hnav electrode tuaj yeem cuam tshuam rau lub zog arc thiab lub sijhawm ntev. Khiav lub splicer ua - nyob rau hauv arc calibration routine. Yog tias cov electrodes hnav los yog muaj kab mob, hloov lawv. Kuj xyuas kom meej tias V-grooves huv si - cov khib nyiab hauv cov txheej txheem kev sib dhos tuaj yeem ua rau muaj qhov tsis zoo.
Kauj ruam 5: Re-Kuaj kom raug
Tsis txhob lees txais lossis tsis lees txais ib qho kev sib txuas raws li ib qho kev nyeem ntawv OTDR nkaus xwb. Yog tias qhov kev nyeem ntawv zoo li tsis txaus ntseeg, sim los ntawm qhov kev coj rov qab thiab qhov nruab nrab ntawm ob qhov txiaj ntsig. Sib piv cov splice tiv thaiv cov xwm txheej nyob sib ze ntawm tib lub fiber ntau - ib qho kev sib txuas uas pom tau tias tsis zoo dua li nws cov neeg nyob ze yuav tsum tau tshawb xyuas, thaum ib qho uas zoo ib yam nrog rau lwm qhov txuas yog qhov yuav ua tau. Yog hais tias lub splice tseem ua tsis tau tom qab retesting, rework nws es tsis nqa zais poob rau hauv lubua tiav network.
Splice Loss vs. Insertion Poob: Nkag siab qhov txawv
Ob lo lus no qee zaum tsis meej pem, tab sis lawv ntsuas qhov sib txawv. Splice poob yog qhov poob tshwj xeeb ntawm qhov kev tshwm sim splice - lub zog kho qhov muag uas tsis ua rau nws los ntawm kev sib koom ua ke ntawm ob fibers. Insertion poob yog tag nrho cov kev poob uas tau qhia los ntawm ib qho khoom siv uas muab tso rau hauv txoj kev kho qhov muag, uas tuaj yeem suav nrog splice, connector, coupler, lossis attenuator.
Thaum ntsuas afiber optic thaj qaumlos yog ib qho kev txiav cable sib dhos, qhov kev qhia tshwj xeeb yog qhov poob, uas suav nrog kev sib txuas ntawm ob qho kawg ntxiv rau cov splice lossis fiber ntau poob hauv kev sib dhos. Thaum ntsuam xyuas qhov zoo ntawm ib daim teb splice hauv cov nroj tsuag cable, splice poob yog qhov tsim nyog metric. Ob qho tib si tseem ceeb rau tag nrho cov peev nyiaj txuas, tab sis lawv teb cov lus nug sib txawv.
Feem ntau yuam kev uas ua rau siab splice poob
Ob peb qhov yuam kev rov tshwm sim rau feem ntau ntawm kev zam tsis tau splice poob teeb meem hauv thaj teb.
Tso siab rau ib qho kev taw qhia OTDR.Kev kho ib qho kev nyeem ntawv OTDR unidirectional raws li cov lus teb kawg - yam tsis xav txog cov teebmeem backscatter lossis ua rau qhov nruab nrab nruab nrab ntawm ob sab - ua rau ob qho kev ceeb toom cuav thiab tsis muaj qhov tsis xws luag. Raws liFluke Networks sau ntawv, cov neeg tau txais txiaj ntsig yog qhov tsis tseeb uas tuaj yeem npog qhov teeb meem tiag tiag yog tias coj los ntawm lub ntsej muag tus nqi.
Neglecting fiber kawg npaj.Rushing los ntawm stripping, tu, thiab cleaving kom txuag tau ob peb feeb ib splice ib txwm raug nqi ntau dua nyob rau hauv rework. Kev npaj zoo yog ib qho loj tshaj plaws uas tswj tau hauv kev sib tw poob.
Kev sib xyaw fiber ntau yam tsis kuaj xyuas kev sib raug zoo.Kev koom nrog cov fibers nrog txawv MFD specifications yam tsis muaj kev paub txog qhov kev puas tsuaj ntawm lub cev thiab OTDR cov khoom siv ntsuas nws tsim ua rau tsis meej pem thiab tsis tsim nyog rov ua haujlwm.
Tsis quav ntsej tag nrho cov peev nyiaj poob.Tsom ntsoov rau ntawm tus kheej splice screen qhov tseem ceeb thaum tsis quav ntsej cov txiaj ntsig sib sau thoob plaws tag nrhocable cog tsimtuaj yeem ua rau qhov txuas uas dhau qhov xwm txheej-los ntawm- qhov xwm txheej tab sis tsis kawg - mus rau - kawg.
Hla kev kho splicer.Hnav electrodes, qias neeg V-grooves, thiab outdated arc calibration degrade splice zoo maj mam, ua rau nws yooj yim rau saib mus txog thaum poob qhov tseem ceeb ua tsis tu ncua.
FAQ
Q: Dab tsi yog Qhov Zoo Splice Poob Hauv DB?
A: Rau ib qho -hom fusion splicing, txhua yam hauv qab 0.1 dB feem ntau suav tias yog qhov zoo, thiab cov kws tshaj lij ua haujlwm tsis tu ncua ua tiav 0.02-0.05 dB. Rau multimode fusion splicing, tus nqi qis dua 0.15 dB yog qhov raug. Mechanical splices tau txais nyob rau hauv qhov ntau ntawm 0.2-0.5 dB nyob ntawm daim ntawv thov. Qhov tseem ceeb yog seb qhov splice poob, ua ke nrog tag nrho lwm yam kev poob ntawm qhov txuas, nyob hauv tag nrho cov peev nyiaj poob.
Q: Vim li cas Kuv OTDR Qhia Ib Tus Gainer Ntawm Ib Qhov Splice?
A: Ib tug gainer tshwm sim thaum cov fiber ntau tom qab lub splice muaj ib tug siab dua backscatter coefficient tshaj lub fiber ua ntej nws. OTDR txhais qhov nce backscatter raws li lub teeb liab nce, txawm tias lub zog kho qhov muag tiag tiag tau ploj ntawm qhov sib txuas. Qhov no yog ib qho tshwm sim thaum splicing fibers nrog txawv MFD qhov tseem ceeb, xws li G.652.D rau G.657. Kev ntsuam xyuas los ntawm qhov sib txawv thiab qhov nruab nrab ntawm ob qhov txiaj ntsig tshem tawm cov khoom cuav no thiab nthuav tawm qhov tseeb splice poob.
Q: Puas yog Fusion Splicing Ib txwm zoo dua li kev sib tsoo tshuab?
A: Fusion splicing ua rau qis dua thiab zoo ib yam poob, zoo dua - lub sij hawm cia siab rau, thiab qis dua reflectance, ua nws txoj kev nyiam rau kev teeb tsa mus tas li. Txawm li cas los xij, mechanical splicing muaj txiaj ntsig zoo nyob rau hauv cov xwm txheej uas yuav tsum tau kho sai sai, kev sib txuas ib ntus, lossis ua haujlwm nyob rau hauv ib puag ncig uas fusion splicer tsis ua haujlwm. Qhov kev xaiv nyob ntawm qhov yuav tsum tau ua, cov khoom siv, thiab cov kev txwv ntawm txoj haujlwm tshwj xeeb.
Q: Puas tuaj yeem hla tus kheej tab sis tsis ua tiav Qhov Txuas Nyiaj Txiag?
A: Yog. Ib qho splice uas ntsuas 0.15 dB zoo nkaus li pom tau hauv kev sib cais, tab sis yog tias qhov txuas muaj 20 qhov sib txuas, qhov sib txuas sib txuas ib leeg yog 3.0 dB - ua ntej suav txog fiber ntau attenuation, connector poob, lossis ib qho passive Cheebtsam. Tias yog vim li cas splice poob yuav tsum ib txwm raug soj ntsuam nyob rau hauv cov ntsiab lus ntawm tag nrho cov link poob nyiaj, tsis yog tus lej cais.
Q: Qhov txawv ntawm OTDR splice poob thiab qhov tseeb splice poob yog dab tsi?
A: Ib qho OTDR kwv yees splice poob raws li cov kev hloov pauv hauv backscattered lub teeb theem, uas tuaj yeem cuam tshuam los ntawm qhov sib txawv ntawm cov khoom fiber ntau ntawm qhov sib txuas. Qhov tseeb splice poob - lub zog kho qhov muag tiag tiag poob ntawm qhov sib koom ua ke - tsuas yog txiav txim tau raug los ntawm kev sib txawv ntawm OTDR qhov nruab nrab lossis los ntawm kev ntsuas qhov poob nrog lub ntsuas lub teeb thiab lub zog ntsuas. Unidirectional OTDR qhov tseem ceeb yuav tsum raug kho raws li kev kwv yees, tsis yog qhov tseeb.
Q: Thaum twg Kuv Yuav Tsum Ua Ib Lub Fiber?
A: Xav txog kev rov ua dua thaum qhov kev sib tw poob yog qhov siab dua li cov neeg nyob sib ze splices ntawm tib lub fiber ntau, thaum nws thawb tag nrho cov kev sib txuas poob ze los yog tshaj cov peev nyiaj, thaum nws tshwm sim tsis sib xws ntawm kev sim rov ua dua, lossis thaum lub splicer tus kheej kwv yees poob thaum lub sij hawm fusion yog qhov txawv txav. Ua ntej resplicing, ib txwm re-cleave thiab re- ntxuav ua ntej - qhov teeb meem yog feem ntau nyob rau hauv kev npaj, tsis nyob rau hauv lub fiber los yog lub tshuab.