PANDA vs Bow-Tie Fiber: PM Fiber Hom Sib Piv
Nov yog cov lus teb luv luv: tshwj tsis yog tias koj tab tom tsim kev taw qhia - qib FOGs lossis koj cov neeg siv khoom cov ntawv qhia tshwj xeeb hu rau Bow-Tie, mus nrog PANDA. Qhov 30-40% tus nqi them ntawm Bow-Tie tsis pom zoo rau nws tus kheej hauv feem ntau ntawm cov ntawv thov.
Qhov no tsis yog tus kheej nyiam. Thorlabs muab tso rau hauv lawv cov ntaub ntawv PM fiber ntau: "Rau cov neeg siv nruab nrab, ob hom fiber ntau no sib hloov tau. PANDA fibers muaj keeb kwm tau siv hauv kev siv xov tooj, vim nws yooj yim dua los tswj kev sib xws hauv lawv cov cylindrical kev nyuaj siab rods ntev ntev thaum tsim khoom." (thorlabs.com)
Dab tsi Parameters tiag tiag
| Parameter | PANDA | Hneev-Tie | Cov Lus Qhia |
|---|---|---|---|
| Modal birefringence | 3-5 × 10⁻⁴ | 3-7 × 10⁻⁴ | Unless spec requires >5 × 10⁻⁴, xaiv PANDA |
| Beat ntev @ 1550nm | 3-5 hli | 2-3.5 hli | Tsuas yog nav- qib FOG xav tau<3mm |
| PER | 20-30 dB | 20-30 dB | Ib yam ntawm daim ntawv; Qhov tshwm sim tiag tiag nyob ntawm qhov kev txiav tawm zoo |
| Khoov vojvoog | 5mm ib | 15-20 hli min | Compact ntim yuav tsum tau PANDA |
| Ua haujlwm temp | -40 rau +150 degree | -55 rau +85 degree | PANDA HT variants mus dav dua |
Tus lej PER yuam kev ntau tus neeg yuav khoom. Ob hom fiber ntau thov 20-30dB, tab sis kev ntsuas lub ntiaj teb no txawv kiag li raws li cov khoom sib txuas zoo. Peb tau sim tib batch ntawm PANDA thaj cables thiab pom PER viav vias ntawm 22dB txog 29dB. Qhov ntawd tsis yog teeb meem fiber ntau, qhov ntawd yog qhov teeb meem txiav.
H-Parameter khiav<2×10⁻⁵/m for both. Temperature coefficient is comparable at -5.3 to -5.9×10⁻⁷ per °C. If thermal stability is your primary concern, look at photonic crystal PM fibers instead. They're 35x more stable, though priced accordingly.
Nqe Gap
Cov xaj me me qhia qhov sib txawv me me:
1-100m khw muag khoom (USD / m)
PANDA 1550nm: $14-20
Bow-Tie 1550nm: $19-25
Qhov sib txawv: 25-30%
500m + bulk (USD / m)
PANDA: $0.78-1.20
Hneev-Tie: $1.10-1.50
Qhov sib txawv: 40-50%
Qhov sib txawv yog los ntawm cov txheej txheem tsim khoom.
PANDA preforms tawm los 50-100km ntawm fiber ntau ib kos. Hneev-Tie preforms, txwv los ntawm MCVD raj txoj kab uas hla, tsim tsuas yog 15-20km. Qhov 3-5x qhov sib txawv ntawm qhov sib txawv ntws ncaj qha rau hauv chav tsev nqi.
Volume luv nqi qauv ntawm Newport thiab Thorlabs: 10-49m tau txais 15% tawm, 50-99m tau txais 22% tawm, 100-499m tau txais 25% tawm, 500m + tau txais 28% tawm daim ntawv. Cov no yog luam tawm luv nqi. Kev sib tham tiag tiag muaj ntau chav.
Thaum Hneev -Tie Yog Txoj Cai Hu
Navigation thiab Strategic Qib FOG
Fiber gyroscopes thawb tuav ntev yuav tsum nyuaj. Tactical qib systems ($3K-8K ntau) ua haujlwm zoo nrog PANDA. Coil ntev khiav 100-200m, fiber ntau raug nqi $ 200-500 ib chav. Tab sis qib navigation ($ 8K-20K) thiab qib kev sib tw ($ 20K-100K+) xav tau qhov ntev ntawm 2 hli. Qhov ntawd yog qhov uas Bow-Tie khwv tau nws cov nqi.
Fibercore's HB-G series muaj lub khw no. Plaub caug-ntxiv rau xyoo ua Bow-Tie, ntev tshaj plaws davhlau cuab yeej cuab tam hauv kev lag luam. Coherent tau sim ua txhaum nrog me me -inch PANDA (PM850G-80) uas phim Bow-Tie specs ntawm daim ntawv, tab sis aerospace cov neeg siv khoom xav tau keeb kwm tsim nyog. Cov neeg tshiab tuaj ntsib kev sib ntaus sib tua nce toj.
Siab -Precision Interferometric Sensors
Cov ntawv thov thov kom muaj kev sib cais ntau tshaj plaws tau txais txiaj ntsig los ntawm Bow-Tie lub qab nthab siab dua birefringence. Qhov no yog ib ntu me me. Yog tias koj tsis paub meej tias koj daim ntawv thov tsim nyog, tej zaum nws tsis yog.
Qhov Chaw Haujlwm (Qee lub sijhawm)
European qhov chaw cov kev pab cuam lean mus rau Fibercore vim hais tias nws yog ib tug domestic tsum. US cov phiaj xwm tiv thaiv nrog ITAR kev txhawj xeeb feem ntau ua rau Coherent. YOFC muab cov nqi sib tw, tab sis tsis txhob kov nws rau kev ua haujlwm tiv thaiv. Koj pab neeg raug cai yuav muaj kev txhawj xeeb.
Cov lus ceeb toom txog kev yuav khoom
Splice alignment
Hneev -Tie cheeb tsam kev ntxhov siab yog cov npoo- zoo li. Alignment yuav tsum tig mus rau qhov tseeb angular txoj hauj lwm. PANDA lub voj voog kev ntxhov siab yog qhov kev zam txim ntau dua.
Peb tau pom cov txuj ci tsis muaj kev txawj ntse splice Bow-Tie thiab poob PER ntawm 30dB txog 15dB. Cov fiber tau zoo. Txoj kev sib tw tsis yog. Yog tias koj pab neeg tsis muaj kev paub txog PM, ua qhov no rau hauv koj qhov kev txiav txim siab.
Fujikura FSM-100 series tuav ob hom fiber ntau, tab sis xav tau firmware 4.2 lossis tom qab ntawd. Cov ntawv qub yuav tsum tau ua raws li phau ntawv qhia rau Bow-Tie, ntxiv 40-60 vib nas this ib splice.
Cov cuab yeej nqis peev
| Khoom siv | Nqe Ntau |
|---|---|
| PM-compatible splicer | $15,000-40,000 |
| High-kawg PM splicer (Fujikura FSM-100 series) | $45,000-80,000 |
| Polarization analyzer | $2,000-10,000 |
Cov nyiaj txiag polarization analyzers ($ 2K-5K tier) muab cov ntawv nyeem tsis sib xws. Tib fiber ntau, peb ntsuas, tau dhia ntawm 23dB txog 28dB. Yog tias koj tab tom tsim kev sim PM muaj peev xwm, tsis txhob pheej yig tawm ntawm lub ntsuas ntsuas.
Hla -Splice Loss
| PANDA rau PANDA | 0.1 |
| Hneev-Tie rau Bow-Tie | 0.05–0.15 |
| PANDA rau Hneev -Tie | 0.1–0.3 |
Kaum splice cov ntsiab lus hauv koj lub cev txhais tau tias 0.5-2dB sib txawv. Qhov kev poob nyiaj txiag tseem ceeb hauv 100G kev sib txuas sib txuas. Txiav txim siab txog hom fiber ntau thaum lub sij hawm tsim qauv, tsis yog tom qab koj pom cov kev cai sib txawv.
Lead Time Reality
Cov ntaub ntawv hais tias 8-12 lub lis piam? Kev paub tiag tiag txawv ntawm tus neeg muag khoom:
Corningfeem ntau xa tuaj raws sijhawm. Strong distributor network, zoo qauv cov khoom muag khoom.
Coherentmuaj cov thev naus laus zis zoo tshaj plaws tab sis muaj peev xwm txwv. RFQ teb qeeb. Tsis txhob suav rau lawv rau kev txiav txim maj.
Fibercoreyog tib qho kev ntseeg siab Bow-Tie qhov chaw, tab sis tshaj tawm-Brexit kev lis kev cai ua rau qeeb. Thaum lub sij hawm 2022 tsis txaus, lawv yeej tseem tau mus faib. Ib tus neeg siv khoom FOG qhov project tau tos rau lub hlis rau fiber ntau, tom qab ntawd rov tsim dua ib puag ncig PANDA.
YOFCtus nqi zoo, zoo yog txais, tab sis tariffs tua cov economics. EU tiv thaiv -dumping lub luag haujlwm khiav 39.4-88%. US tariffs ntaus 33.3-78.2%. Landed nqi feem ntau tshaj Corning.
Fake PM Fiber
Qee tus neeg muag khoom muag tus qauv - hom fiber ntau nrog PER ntsuas thiab hu nws PM fiber. Kev cai PM fiber ntau los nrog cov ntaub ntawv ntsuas qhov ntev. Yog tias tus neeg muag khoom tsis muab nws, taug kev mus.
Volume Tiers thiab Strategy
Tshaj 500m / xyoo
Xaiv PANDA, tus qauv specs, yuav los ntawm leej twg muab tus nqi zoo tshaj. Hneev-Txoj kev ua tau zoo ntawm kev sib tw tsis ua tiav ntawm qhov ntim no. Tus hwm yog pov tseg dawb huv.
500-5000m / xyoo
Pib sib tham txog ntim nqi. Dual qhov chaw yog ntse ntawm no. Thawj los ntawm Corning lossis Fujikura, thaub qab los ntawm lwm tus neeg muag khoom tsim nyog. PM fiber chaw lag luam yog nyias. Ib leeg - qhov kev pheej hmoo yog tiag.
Tshaj 5000m / xyoo
Qhov ntim no qhia txog daim pam PO kev sib tham nrog cov tuam ntxhab. Corning khiav VMI cov kev pab cuam uas lawv tuav cov khoom muag thiab koj rub raws li xav tau. Yog tias koj daim ntawv thov tiag tiag xav tau Bow-Tie kev ua tau zoo, Fibercore yuav tham txog cov ntsiab lus kev cai ntawm qhov ntsuas no.
Nqe piv txwv
Xav txog 400G coherent transceiver ntau lawm. Txhua xyoo ntim: 1,200 units. Txhua chav xav tau 2.3m PM pigtail fiber ntau (suav nrog txiav nyiaj).
PANDA xaiv
Hneev -Tie Option
Qhov sib txawv txhua xyoo: $ 1,400. Yog tias ob hom fiber ntau ua tau raws li koj qhov kev ua tau zoo spec, tsis muaj laj thawj them nyiaj ntau dua.
Qhov kev suav no tsis suav nrog cov khoom siv. Yog tias koj tam sim no splicer xav tau phau ntawv sib dhos rau Bow-Tie, koj tuaj yeem lees txais lub voj voog ntev dua lossis hloov khoom siv. FSM-100P+ raug nqi $30,000+ ntau dua FSM-70R.
Daim ntawv thov ceev siv
Xaiv PANDA
- Coherent optical comms (100G / 400G / 800G)
- OCT daim duab kho mob
- FBG sensors (ntau dua photosensitive variants muaj)
- Fiber lasers
- Kev sim quantum optics
- Tactical -qib FOG
Xaiv Bow-Tie
- Navigation / Strategic Qib FOG
- Siab -interferometers
- Tshwj xeeb sensing xav tau ntau tshaj birefringence
Nyob ntawm Cov Kev Xav Tau Tshwj Xeeb
- Daim ntawv thov chaw (kev tsim nyog thiab cov khoom yuav tsum tau muaj feem ntau tseem ceeb tshaj qhov kev qhia tshwj xeeb)
- Distributed sensing (nyob ntawm qhov ntev thiab qhov tseeb xav tau)
Ua ntej koj thov Quotes
Tau txais cov kev ntsuas no kaw ua ntej mus cuag cov neeg xa khoom. Nws txuag qhov rov qab -thiab- tawm mus:
Kev khiav hauj lwm wavelength txiav txim seb cov khoom tsev twg koj tuaj yeem tau txais los ntawm. PER qhov xav tau xav tau kom meej meej seb nws puas yog qhov system -level lossis fiber ntau -level spec. Khoov vojvoog txwv tsis pub muaj teeb meem rau kev ntim khoom. Ib puag ncig yuav tsum tau npog qhov kub thiab txias, av noo, hluav taws xob tolerance yog tias tsim nyog. Txheej hom kev xaiv muaj xws li acrylate rau cov qauv siv, polyimide rau siab -temp, carbon rau hermetic foob. Kev kwv yees qhov ntim txhua xyoo cuam tshuam rau tus nqi theem thiab lub sijhawm ua ntej.
Yog tias qhov no yog koj thawj PM fiber ntau yuav, yuav cov qauv kom muaj nuj nqis rau kev ntsuam xyuas ua ntej cog lus rau ntim. Fiber nrog tib datasheet specs yuav ua tau txawv heev. Tshwj xeeb tshaj yog rau connectorized thaj cables, tus neeg muag khoom txiav qhov zoo sib txawv heev.
FOCC's PM fiber ntau cov khoom lag luam npog cov ntawv thov sib tham hauv phau ntawv qhia no. Standard PANDA specifications ntawm 1310nm, 1550nm, thiab 980nm nkoj los ntawm Tshuag hauv 2-3 lub lis piam. Cov kev cai tshwj xeeb xav tau kev sib koom ua haujlwm engineering nrog 6-10 lub lis piam ua haujlwm.
Xa koj RFQ los ntawm peb cov nplooj ntawv PM fiber ntau lossis hu rau kev muag khoom ncaj qha. Peb teb tsis pub dhau 24 teev ntawm hnub ua haujlwm.
![Hub vs Hloov vs Router: Ua kom tiav Network Sib Piv Ntaus [2026]](/uploads/12988/info/n20260120110904112fe.png)
