Kab lus no muab kev tsim vaj tsev - tsom, tshawb xyuas- npaj txhij txog ntawmModified Chemical Vapor Deposition (MCVD)-Yuav ua li cas reactive gases yog nkag mus rau hauv ib tug rotating silica raj los tsim thiab vitrify iav txheej, ua rau ib tugtsim refractive-index profilethiabsiab -purity optical fiber ntau preforms. Koj yuav kawm txog cov kauj ruam tseem ceeb ntawm MCVD thiab cov chaw tswj xyuas qhov zoo uas ua rau muaj kev sib raug zoo thiab cov txiaj ntsig, nkag siab qhov twg MCVD tsim tus nqi hla ntau hom fiber ntau (suav nrogkhoov-cov qauv tsim tsis tsim nyog), thiab saib dab tsipreform muaj peev xwm ntau thiab cov ntaub ntawv xa tuajHengtong tuaj yeem muab los txhawb kev soj ntsuam zoo dua thiab kev lees txais qhov project. Lub hom phiaj yog los pab koj txiav txim siab sai dua, muaj kev ntseeg siab ntau dua rau cov kab ke uas qhov sib xws yog qhov tseem ceeb- xws licov chaw zov me nyuam, 5G qaum tes hauj lwm, thiab submarine cable applications.
Vim li cas MCVD Qhov Tseem Ceeb rau Siab -Qhov Kev Sib Raug Zoo Optical Fiber Preforms?
Fiber kev ua tau zoo yog tsav los ntawmqauv + purity + sib xws-tsis yog "iav" ib leeg
Refractive-index profile (RIP):RIP txhais tias lub teeb nruj npaum li cas nyob hauv cov tub ntxhais thiab yuav ua li cas lub zog faib thoob plaws hom. Hauv kev xyaum, qhov ntawd txhais tau tias nws cuam tshuam ncaj qhakhoov robustness, attenuation cwj pwm, thiabntev -lub sij hawm kis tau tus mob stability-tshwj xeeb tshaj yog rau cov qauv tsim uas tso siab raucov trenchtxhawm rau ntxiv dag zog rau hom kev kaw (ntau ntau hauv khoov-insensitive fibers).
Purity, impurities, thiab OH tswj:Ultra- kab kis kab mob thiab hydroxyl- cuam tshuam txog kev nqus tuaj yeem txhais uapoob siab duathiab kev sib tw ib puag ncigdej-peak / qis- poob lub hom phiaj. Hauv lwm lo lus, "purity control" tsis yog ib lo lus hais tias - nws yog qhov yuav tsum tau ua ua ntej rau kev kwv yees qhov ua tau zoo.
Geometric sib xws:ruaj khov geometry ntawm lub preform theem txhawb nqasiab dua daim duab tawm los, ruaj khov txoj kab uas hla tswj tau thaum lub sij hawm kos fiber ntau, thiab ntau qhov kev kwv yees tau tshwm sim hauv qab -xws likev sib txuasthiabfusion splicing repeatability.
Cov txheej txheem xaiv nyob rau hauv Hengtong kev tsim logic
Thoob plaws hauv kev lag luam, plaub lub ntsiab vapor- txoj kev xa tawm feem ntau yog siv rau kev tsim ua ntej:MCVD, OVD, VAD, thiab PCVD. Txhua txoj hauv kev optimizes kev lag luam sib txawv - tawm ntawmprofile precision, scalability, thiab deposition efficiency.
Hauv Hengtong cov pej xeem - ntsib cov lus piav qhia,VAD and OVDtau nthuav tawm raws lisiab -Volume manufacturing approaches, thaumMCVDyog tseem ceeb rau enablingiav zoo heev - txheej deposition nrog tswj dopants-ie, muaj zogrefractive-index tswj, uas dhau los tshwj xeeb tshaj yog thaum cov qauv tsim fiber ntau nyob ntawm qhov kev tswj nruj nruj (piv txwv li, trench- pab khoov- cov qauv tsis hnov tsw).
Cov tswv yim coj tawm yog ncaj nraim:cov txheej txheem "txoj cai" raug xaiv raws li hom hom fiber ntau thiab lub hnab ntawv yuav tsum tau ua, ntxiv rau qhov ntsuas ntau lawm xav tau-MCVD zaum ib txwm nyob hauv txoj kab uaszoo structural tswjyog qhov tseem ceeb.
MCVD ntawm ib sab
Cov cuab yeej tseem ceeb thiab Txoj Cai Ua Haujlwm
Ib txoj kab MCVD tuaj yeem pom tau tias yog peb txoj haujlwm sib koom ua ke ua haujlwm nyob ib puag ncig ibrotating siab -purity silica rajmounted ntawm lub tshuab dhos:
- Rotating silica tube (substrate tube):Muab cov txheej sab hauv uas cov iav txheej tau tsim, pab qhov nruab nrab ntawm qhov tsis sib xws ntawm qhov tsis sib xws -ib puag ncig thaum tso tawm.
- Traversing tshav kub qhov chaw (torch / burner):Ib qho kev txav siab - qhov kub thiab txias ntsuas raws lub raj ntev kom tsav cov pa roj- theem kev cuam tshuam thiab sib sau cov khoom tso tawm.
- Chemical gas delivery (bubbler + flow control):Volatile precursors tau qhia thiab ntsuas qhov tseeb (feem ntau ntawm cov npuas thiab huab hwm coj- ntws tswj), ua kom rov ua dua txheej txheej - los ntawm - txheej txheej tswj.
Ib - kab lus mechanism:Nyob rau hauv cheeb tsam kub, reactant gases tsim ib tug deposition txheej nyob rau hauv lub puab phab ntsa thiab ces vitrified rau hauv pob tshab iav; los ntawm kev rov ua qhov no nrog cov txheej txheem tswj "daim ntawv qhia," lub hom phiajrefractive-index profileyog tsim los ntawm - yam tsis tas yuav nthuav tawm cov kev sib npaug tshuaj nyob rau hauv tsab xov xwm.
Txheem MCVD Txheej Txheem Flow
Silica tube tu & ua ntej- kho
Tshem tawm cov kab mob thiab npaj lub raj nplaim kom cov khaubncaws sab nraud povtseg ua ntu zus.
Mounting, alignment, thiab straightness/stress tswj
Nruab lub raj rau ntawm lub tshuab dhos thiab tswj cov khoom sib dhos kom txhawb kev sib hloov ruaj khov thiab tsis sib xws thermal raug.
Txheej -los ntawm - txheej tso nyiaj (profile execution stage)
Khiav ntau qhov kev tso nyiaj hla dhau thaum kho cov roj muaj pes tsawg leeg los siv cov qauv tsim dopant faib thiab refractive-index profile.
Vitrification (pob tshab consolidation)
Hloov cov txheej tso rau hauv ntom, pob tshab iav nrog kev tswj thermal ua.
Collapse (tube - mus rau - khoom preform conversion)
Kaw lub hollow raj rau hauv akhoom tub ntxhais qws / preformthaum tuav cov qauv kev ncaj ncees thiab geometry.
Overcladding lossis hybrid / ua ke cov kauj ruam (nyob ntawm cov khoom lag luam)
Ntxiv cladding ntawm cov txheej txheem ntxiv yog tias xav tau los ntawm qhov kawg fiber ntau tsim thiab lub hom phiaj geometry.
Hauv - kab / tawm - kab tshuaj xyuas thiab tso tawm
Txheeb xyuas cov cwj pwm zoo (xws li, profile conformity, geometry, pom kev ncaj ncees, thiab traceability) ua ntej tso tawm thiab xa khoom xa tuaj.
Yuav ua li cas Hengtong teeb tsa cov ntsiab lus tseem ceeb MCVD Tswj Kev Siv Lub Hom Phiaj-Txoj Kev-Cov Ntaub Ntawv Pov Thawj
Tswj Point 1|Ua ntej-Kev Kho Mob: Thaiv Kev Tiv Thaiv Kab Mob Ua Ntej Deposition
Lub Hom Phiaj: Txo cov impurity introduction los tiv thaiv preform purity thiab sib xws.
Txoj kev: Kev tu lub raj thiab qhov chaw txias, ntxiv rau ua ntej -mount ncaj qha kuaj thiab tswj kev ntxhov siab ua ntej tso.
Cov ntaub ntawv pov thawj: Cov ntaub ntawv xa tuaj thiab cov txheej txheem nrog cov txheej txheem xa tawm raws li cov ntaub ntawv tu thiab cov txheej txheem taug qab ID txoj cai.
Tswj Point 2|Txheej-los ntawm-Txheej Deposition: Tig Profile Design rau hauv Kev muaj tiag
Lub Hom Phiaj: Ua tiav qhov ruaj khov refractive-index profile xws li kauj ruam-index, graded-index, thiab trench-pab cov qauv.
Txoj kev: Txheej txheej txheem tswj thiab txheej txheem - qhov rais tswj nrog qhov tseem ceeb ntawm kev rov ua dua, yam tsis tau nthuav tawm cov khoom ntiag tug.
Pov thawj: Refractive-index profile test reports and trend charts that demonstrate batch-to-batch stability.
Tswj Point 3|Collapse: Xauv tus qauv rau hauv ib qho khoom Preform
Lub Hom Phiaj: Tiv thaiv qhov tsis xws luag thiab geometric variation thaum consolidating tus qauv rau hauv ib tug ruaj khov preform.
Txoj kev: Tswj thermal teb, huab cua, thiab lub voj voog kev qhuab qhia thaum lub caij sib tsoo, piav qhia raws li kev tswj hwm tsis yog cov ntsiab lus sab hauv.
Cov ntaub ntawv pov thawj: Cov qauv lees paub pom thiab qhov tsis xws luag, cov ntaub ntawv tshuaj xyuas qhov ntev, thiab cov qauv ntsuas thiab cov cai tswj xyuas.
Tswj Point 4|Kev tshuaj xyuas thiab tso tawm: Los ntawm txheej txheem kev ntseeg siab rau kev xa khoom ruaj ntseg
Lub Hom Phiaj: Pab kom cov neeg siv khoom lees paub tiv thaiv qhov tseeb, kev tshuaj xyuas tau.
Txoj kev: txhais nyob rau hauv -kab thiab tawm- kab tshuaj xyuas kab rau cov khoom tseem ceeb xws li geometry, refractive-index profile, thiab optical thiab mechanical checks thaum muaj feem xyuam.
Cov ntaub ntawv pov thawj: Daim ntawv pov thawj ntawm Kev Ntsuam Xyuas, batch traceability pob, thiab ib qho kev xaiv thib peb - tog xeem daim ntawv tshuaj ntsuam template thaum xav tau.
Dab tsi Preform Peev Xwm Hengtong tuaj yeem xa tuaj siv Cov Lus Qhia Tshaj Tawm thiab Cov Kev Sib Tw Fiber Ntau?
Tshaj tawm muaj peev xwm highlights, zoo tagnrho rau info cards
Hengtong nthuav qhia rau pej xeem piav qhia ntau yam ntawm optical fiber ntau preforms tsim rau kev ua haujlwm ruaj khov thiab txhim khu kev qha downstream fiber ntau kos duab. Cov ntsiab lus tseem ceeb tshaj tawm muaj peev xwm muaj xws li hauv qab no.
- Preform ntev muaj peev xwm: mus txog 6 m
- Preform txheej txoj kab uas hla: 80mm txog 200mm
- Qhov siab tshaj plaws sab nraud siv: 200 mm
- Fiber-length sib npaug siv: ib qho preform sib xws rau ntau tshaj 15000 km ntawm fiber ntau
- Txhawb cov tsev neeg fiber ntau hauv cov lus piav qhia: G.652.D, G.657.A, thiab G.654
Kev sib txuam muaj peev xwm rau cov hom fiber ntau, ob mus rau peb qhov piv txwv
Hengtong ua haujlwm rau nws qhov kev npaj ua ntej los txhawb kev sib txuas lus tseem ceeb thiab kev nkag mus rau -cov tsev neeg fiber ntau, nrog rau kev xaiv coj los ntawm lub hom phiaj fiber ntau tsim thiab kev siv ib puag ncig.
G.652.D dej tsawg kawg nkaus ib leeg - hom fiber ntau
Qhov no yog ib qho siv dav heev -hom fiber ntau tsev neeg txhais hauv ITU-T G.652, feem ntau xaiv rau qaum, metro, thiab dav - lub hom phiaj kev sib txuas uas muaj qhov sib txuam dav. Hengtong tshaj tawm hais tias nws muab cov preforms rau tag nrho spectrum uas tsis tshua muaj dej ncov fiber ntau
G.657.A khoov-insensitive fiber ntau rau FTTx thiab nkag mus rau kev xa tawm
ITU-T G.657 piav qhia txog dabtsi yog khoov- tsis pom kev ib leeg- hom fiber ntau thiabfiber ntau optic cablerau lub network nkag, uas feem ntau yog xaiv qhov twg nruj routing thiab me me khoov radii yuav tsum nyob rau hauv lub xeem - mais tsim. Hengtong pej xeem piav qhia txog kev muab cov preforms rau FTTx fiber ntau G.657.A. ,
G.654 fiber ntau tsev neeg rau ntev -kev xav tau kev sib kis
ITU-T G.654 npog kev txiav- tawm hloov ib zaug- hom fiber ntau optimized rau siv nyob ib ncig ntawm 1550 nm cheeb tsam thiab yog txuam nrog ntev - daim ntawv thov nyob deb xws li ntev - thauj thiab submarine systems. Hengtong tshaj tawm cov npe G.654 ntawm cov fiber ntau nws cov preforms tuaj yeem txhawb nqa. ,
Txhawm rau kom tsis txhob dhau- tshwm sim rau ib txoj hauv kev, nws yog qhov tseeb dua los hais tias Hengtong txhawb kev tsim khoom ua ntej thiab muab khoom hla ntau txoj hauv kev siv thev naus laus zis siv hauv kev lag luam. Cov kev sib txawv feem ntau yog xaiv los sib npaug profile precision, scalability, thiab efficiency, thiab MCVD yog ib qho tseem ceeb xaiv thaum zoo refractive -index tswj yog qhov tseem ceeb.
FAQ
Q: Hom fiber ntau twg zoo tshaj rau MCVD, thiab thaum twg yog VAD, OVD, lossis PCVD zoo dua?
A: MCVD feem ntau raug xaiv thaum tus qauv tsim xav tau kev tswj xyuas nruj ntawm refractive -index profile thiab dopant faib, tshwj xeeb tshaj yog rau cov profiles nrog cov qauv nyuaj. Rau siab heev - ntim ntau lawm, VAD thiab OVD tau siv dav hauv kev lag luam vim tias lawv feem ntau muab tso rau qhov ntsuas thiab dhau los. PCVD feem ntau tham txog qhov kev xaiv thaum lub chaw tsim khoom tseem ceeb tshwj xeeb profile thiab cov yam ntxwv tso rau qee yam khoom lag luam. Hauv kev xyaum, txoj kev zoo tshaj plaws yog xaiv raws li lub hom phiaj profile complexity, yuav tsum tau sib xws, muaj peev xwm xav tau, thiab tag nrho cov nqi qauv ntawm cov khoom kab.
Q: Yuav ua li cas tswj tau refractive-index profile zoo li hauv daim ntawv tshaj tawm?
A: Ib daim ntawv tshaj tawm qhia tau hais tias qhov ntsuas qhov ntsuas tsis pom tseeb -index profile nkhaus hla lub vojvoog, nrog rau lub hom phiaj profile rau kev sib piv. Nws kuj tseem suav nrog cov lus piav qhia tseem ceeb xws li core thiab cladding qhov ntev, qhov sib txawv ntawm qhov sib txawv, thiab cov yam ntxwv ntawm qhov profile xws li cov kauj ruam, cov duab zoo, lossis cov qauv trench. Rau kev ruaj ntseg ntau lawm, cov kev xav sib txawv ntawm cov khoom siv los yog raws li qhov ntev preform feem ntau yog siv los ua kom pom kev rov ua dua. Lub hom phiaj yog ua kom qhov profile tswj pom raws li kev pom zoo ntsuas, tsis yog qhov kev thov zoo.
Q: Qhov kev ntsuas kev xa khoom twg cuam tshuam los ntawm kev sib luag ntawm preform?
A: Preform tsis sib xws cuam tshuam qhov muag tsis pom kev ruaj ntseg raws qhov ntev, geometry - cuam tshuam txog kev ruaj ntseg thaum lub sij hawm siv fiber ntau, thiab kev ua haujlwm qis qis. Nws tuaj yeem tshwm sim nyob rau hauv kev sib txawv ntawm attenuation, khoov- tus cwj pwm tsis zoo, txiav tawm wavelength stability, thiab hom kev ua haujlwm sib xws. Hauv kev tsim thiab kev saib xyuas, nws tuaj yeem cuam tshuam rau fusion splicing cov txiaj ntsig, suav nrog splice poob faib thiab rov ua haujlwm dua. Kev sib raug zoo txo cov kev xav tsis thoob thaum lub sij hawm kos duab thiab kev teeb tsa, uas yog vim li cas nws tseem ceeb rau ob qho tib si tawm los thiab kev ua haujlwm.
Q: Cov ntaub ntawv xa khoom twg koj tuaj yeem muab los txhawb kev kuaj xyuas thiab hom kev pom zoo?
A: Ib pob txheej txheem feem ntau suav nrog Daim Ntawv Pov Thawj Kev Ntsuam Xyuas, cov ntaub ntawv tshawb xyuas tseem ceeb, thiab cov ntaub ntawv qhia txog kev taug qab uas txuas cov khoom xa tuaj rau keeb kwm tsim khoom. Thaum xav tau los ntawm qhov project, qhov thib peb -kev xeem tog lossis cov ntaub ntawv ua raws li kev cai ntxiv tuaj yeem npaj. Txhawm rau kom tau txais txiaj ntsig zoo dua, txoj hauv kev uas yuav pab tau tshaj plaws yog txhawm rau txheeb xyuas cov ntawv teev npe rau koj txoj kev kuaj xyuas thiab cov qauv siv fiber ntau ua ntej xa khoom. Txoj kev ntawd, kev tshuaj xyuas tuaj dhau los ua ib daim ntawv teev npe, tsis yog kev sib tham.
Q: Cov ntaub ntawv dab tsi uas tus neeg siv khoom yuav tsum muab los hloov kho qhov ntsuas qhov ntsuas qhov ntsuas qhov ntsuas -?
A: Pib nrog lub hom phiaj tus qauv thiab daim ntawv thov scenario, tom qab ntawd txhais lub qhov rais ua haujlwm wavelength thiab khoov ib puag ncig xav tau hauv kev xa tawm. Muab cov kev xav tau sib xws xws li kev cia siab ua haujlwm sib txuas nrog cov hom fiber ntau uas twb muaj lawm thiab txhua yam kev txwv los ntawm koj txoj kev kos duab lossis cov txheej txheem cabling. Yog tias koj muaj lub hom phiaj kev coj tus cwj pwm, qhia qhov tseem ceeb tshaj plaws, piv txwv li khoov robustness, tsis tshua pom kev, lossis kev coj cwj pwm tshwj xeeb. Cov tswv yim ntshiab tso cai rau kev tsim kho kom zoo rau kev lees paub tsis yog kev kwv yees.
Q: Yuav ua li cas Hengtong tswj qhov kawg-kom- xaus qhov sib xws thiab kev taug qab los ntawm preform mus rau fiber ntau rau cable?
A: Xaus-mus rau-kawg tswj feem ntau yog nyob ntawm kev sib koom ua ke ntawm kev txheeb xyuas qhov system uas txuas ua ntej ntau ntau, fiber ntau kos, thiab ntau cov kab ntau lawm. Nws tau txais kev txhawb nqa los ntawm cov rooj vag tshuaj ntsuam xyuas, cov ntaub ntawv txheej txheem, thiab cov txheej txheem tso tawm ntawm txhua theem. Traceability ua rau lub hauv paus sai dua - ua rau kev tsom xam, tswj kev hloov pauv, thiab cov ntaub ntawv zoo ib yam rau qhov kev lees paub. Cov txiaj ntsig zoo yog tias cov ntaub ntawv pov thawj zoo taug kev nrog cov khoom lag luam, ua rau kev tshuaj xyuas thiab kev txhawb nqa kev ua haujlwm zoo dua.