Fiber optics thiab nws daim ntawv thov

Kho qhov muag fibers qhia ib qho piv txwv ntawm yuav ua li cas paub txog kev yog pauv mus rau lub hauj kev kawm uas thaum kawg ua lub neej yooj yim rau cov txiv neej. Nrog fiber optics rau ob peb xyoo txuam kev sib txuas lus txhais tau rau kis hluav taws xob Pib ntsais koj teeb. Nyias xov loj ntawm ib tug tib neeg cov plaub hau yuav siv tau rau kis tau tus mob ntawm ib tug ntau ntawm teeb uas yuav tsum tau ua hauj lwm tus xov tooj, internet kev twb kev txuas, TV thiab thiaj li nyob. D. Ntawm cov hoob kawm, vim lub high ua hauj lwm zoo tuition ntawm fiber optics muaj lawm hos tsis tsuas mus rau tsev neeg xav tau kev pab.

teeb liab los ntawm ib tug optical fiber kis tau tus mob technology

Nyob rau hauv nws tus kheej, cov kev siv ntawm optical fiber raws li ib tug neeg txhais lus Pib ntsais koj teeb - tsuas yog muab qhia tawm ntawm kev txawj ntse uas tshuaj xyuas qhov kev seem ntawm fiber optics. Tshwj xeeb nyob rau hauv no cov kev taw qhia yog kawm cov ntaub ntawv kis tau tus mob thiab hais tawm ntawm lub teeb, thiab nyob rau tib lub ntsiab lus teb, lub neej coj lub teeb ntawm cov. Cov yav tas yog siv, thiab raws li distributors ntawm lub ntiaj teb no thiab yuav ua li cas cov ntaub ntawv transmitters. Los ntawm txoj kev, raws li nyob rau hauv lub teeb-emitting diodes li niaj hnub tiam sis ntawm txoj kev loj hlob ntawm laser tshuab. Nyob rau hauv cov ntaub ntawv no, Txawm li cas los, lwm lo lus nug nthuav - dab tsi tshwm sim dag hauv plawv ntawm fiber optics? Qhov no tshwm sim ntawm sab hauv thiaj (tag nrho) electromagnetic tawg nyob rau hauv lub dielectric thaj tsam muaj txawv refractive indices. Wherein cov ntaub ntawv cab kuj ua hauj lwm pab tsis electromagnetic teeb liab, thiab ib tug kho teeb flux. Yuav kom to taub cov neeg kawm ntawv ntawm superiority ntawm fiber optic cables mus rau lub txwm hlau yuav tsum ib zaug dua tig mus rau lawv lub peev xwm. Twb hais fiber xov uas nws thickness yog tsis ntau tshaj li 0.5 hli, muaj peev xwm sawv ntawm delivering tus nqi ntawm cov ntaub ntawv uas yuav pab cov pa tooj liab xov nrog ib tug tuab ntawm tsuas 50 mm.

Txoj kev ntawm manufacturing kho qhov muag fiber

Muaj ob lub ntsiab txoj kev, uas yuav tsum tau manufactured nyob rau hauv ib tug optical fiber. Qhov no yog tus txheej txheem ntawm extrusion thiab melting siv preforms. Tus thawj tshuab pub tsawg-zoo yas-raws li cov ntaub ntawv uas, li ntawd, niaj hnub no nws yog xyaum tsis siv. Qhov thib ob hom yog suav hais tias yog thawj thiab feem ntau npaum. Lub preform - yog dawb paug, nyob rau hauv cov qauv rau yog nqus yarns. Los ntawm niaj hnub qauv, lub preform yuav muaj ib tug qhov siab txog li ob peb lub kaum ntawm meters. Outwardly, no iav pas nrig nrog ib lub cheeb ntawm txog 10 cm, uas los ntawm tus yaj cov tub ntxhais fiber. Nyob rau hauv tus txheej txheem ntawm manufacturing pas nrig ua ke nrog ib tug sib tov ntawm fibers yog rhuab mus rau ib tug kub, tom qab uas ib tug spinning filaments. Qhov ntev ntawm lub resulting cov ntaub ntawv uas yuav ncav cuag ob peb kilometers, txawm hais tias nyob rau hauv rooj plaub no tus kab uas hla tseem qhov - nws cia li tswj kev kho me ntsis. Nyob ntawm qhov chaw uas cov fiber optics, cov ntaub ntawv uas rau nws tej zaum yuav pre-ua coatings uas muab lub cev thiab tshuaj tiv thaiv yuav tsum tau ua ntawv thov. Raws li rau lub mixtures rau yarns nyob rau hauv lawv cov muaj pes tsawg leeg feem ntau yog muaj xws li cov ntaub ntawv xws li polyimide, acrylate, thiab silicone.

Lub Khoos Loos Tsev nta ntawm tus kho qhov muag fiber

Lub hauv paus yog ib feem ntawm cov xov yog tus tub ntxhais - qhov tseem ceeb ntawm cov fiber, uas yuav kis tau rau hauv lub teeb nyob rau hauv lub chav kawm ntawm lub lag luam. Cov tub ntxhais yog yus muaj los ntawm siab dawb refractive indices uas yog tiav los ntawm kev siv lub khob doped nrog kev hloov kho tshwj xeeb additives. Piv txwv li, rau silica fibers siv raug Cheebtsam xws li refractive dopant. Nyob rau hauv lem, lub plhaub puas ob peb yam, qhov tseem ceeb uas yog cov tam sim ntawd lub cev kev tiv thaiv ntawm cov tub ntxhais. Qhov no yog ib feem tseem muab ib tug refraction nyhuv, tab sis nrog ib tug tsawg kawg nkaus tus nqi. Lub ciam nruab nrab ntawm ob ntaub ntawv tas ib lub teeb qhia cov qauv uas tsis pub qhov ntim ntawm lub ntsiab beam cuag tshaj cov tub ntxhais. Tsis tas li ntawd muaj nqis ntsoov teev yog hais tias lub hauv paus ntawm fiber optics hais txog yam ntawm cov ntaub ntawv uas fibers. Yuav kom leej, peb yuav sib tham txog lub dielectric waveguides uas kis lub teeb Pib ntsais koj teeb.

Hom ntawm kho qhov muag fibers

Cov feem ntau quartz, yas thiab fiber flyuoridnye. Quartz xov raws li nyob rau hauv lub qhuav los oxide los yog zoo li cov ntaub ntawv uas cov qauv nrog rau doped silicon oxide. Qhov no lub moj khaum enables mus ua saj zawg zog thiab ntev fibers, yus thiab nyob rau lub siab txhua yam muaj zog. Yas-fiber optics ua los ntawm polymers thiab, raws li twb tau hais, yuav tsis xyuas kom meej muaj kev kawm siab nuj nqis. Nyob rau hauv kev, xws yarns muaj ib tug loj feem pua ntawm cov ntaub ntawv tsis tau, uas txwv lawv siv nyob rau hauv lub xav tau chaw. Nyob rau lwm cov tes, affordability yas fiber yuav qhov kev thov rau qhov no cov ntaub ntawv uas nyob rau hauv cov lus qhia taw qhia kom paub neeg ya. Raws li rau flyuoridnyh kho qhov muag cov ntaub ntawv, lawv lub hauv paus yog raws li nyob rau hauv fluorozirconate thiab fluoroaluminate tsom iav. Nws yog ib heev niaj hnub thiab technologically advanced kev daws teeb meem rau tus kho qhov muag sib txuas lus, tab sis cov ntsiab lus ntawm hnyav hlau nyob rau hauv cov qauv tseem txwv tsis pub lawv siv, piv txwv li, nyob rau hauv lub kho mob kev lag luam.

Xab khoom rau fiber

Feem ntau cov khoom siv nyob rau hauv poob lawm ntawm tus kho qhov muag fiber ntau thiab sensors yog Bragg gratings. Fiber optic sensors - ib tug ntaus ntawv npaj rau kev kho tej qhov tseem ceeb uas tuab lub xeev ntawm cov ntaub ntawv uas nyob rau lub sij hawm ntawd. Piv txwv li, ntau yam sensors yuav txiav txim seb lub hom, kub, kev co, siab, thiab lwm yam tsiaj. Bragg grating rau nws txoj kev ua nws yog los ze zog mus rau lub kho qhov muag yam ntxwv. Nws captures nyob rau hauv lub fiber tub ntxhais refractive aperiodic ntxaug. Qhov no ntsuas tso cai los mus txiav txim yuav ua li cas fiber optics yog zoo nyob rau hauv lub tshaj tawm hauv xov lub teeb liab nyob rau hauv tej yam tshwm sim. Tsis tas li ntawd, tshwj xeeb siv ib tug OTDR, lub npe cov nuj nqis dissipation thiab kuj.

Kho qhov muag fiber amplifiers thiab lasers

Qhov no yog qhov ntau tshaj cov khoom, uas yog tsim raws li nyob rau hauv lub cuab yeej ntawm fiber optics. Tsis zoo li lwm yam lasers, siv cov kho qhov muag filaments enables compact thiab nyob rau tib lub sij hawm npaum cov khoom siv. Nyob rau hauv kev, fiber optics technology tau hloov lub classic laser pab kiag li lawm vim lub nram qab no zoo:

• Lub efficiency ntawm tshav kub tshem tawm.
• Nce nqi ntawm cov zis tawg.
• Siv efficiency.
• High cia siab rau thiab stability ntawm lub laser.
• Tsis tshua muaj qhov hnyav khoom.

Nyob rau hauv lem, lub amplifiers nyob ntawm seb hom yuav siv tau nyob rau hauv lub tsev networking kab, ua qhov kev kawm theem lub ntsiab fiber kab. Txawm li cas los, lub Scope ntawm lub lag luam ntawm lub fiber yog tsim nyog xav tias nyob rau hauv ntau yam.

Vim li cas siv fiber optics?

ob peb cov lus qhia, uas siv cov fiber-optic ntaub ntawv yuav tsum tau qhia. Qhov no yog lub neej domestic kev siv, telecommunications khoom siv, thiab computer cov khoom, raws li zoo raws li heev tshwj xeeb niches, nrog rau tej ceg ntawm cov tshuaj. tshwj xeeb fiber optics yog ua rau txhua tus ntawm cov feem. Siv raws li tus qauv TV kis tau tus mob xov xwm los yog Internet teeb liab, piv txwv li, tsis pub pheej yig yas qauv ntawm nruab nrab zoo. Tab sis rau cov laser cov khoom thiab kim kho mob pab kiag li lawm siv zoo quartz fiber muab raws li ntxiv modifiers.

Kev siv cov fiber optics nyob rau hauv cov tshuaj

Tej fibers tej zaum yuav siv nyob rau hauv cov cuab yeej siv thiab seev. Tus txheem txheej txheem yuav tau qhia ib tug tshwj xeeb apparatus rau lub refracted teeb fibers uas twb nyob rau hauv lub nruab nrog cev ntawm lub cev yuav kis ib lub teeb liab mus rau ib qho sab nraud TV cov koob yees duab. Fiber optics yog siv nyob rau hauv cov tshuaj thiab raws li ib tug teeb pom kev zoo khoom. Apparatus nruab nrog fiber modules qhia rau koj painlessly mus rau ntsiab lub plab kab noj hniav, nasopharynx, etc.

Kev siv cov fiber optics nyob rau hauv lub computer cov khoom

Tej zaum qhov no yog feem ntau me me, uas tau pom nws qhov chaw fiber. Yog tsis muaj nws hnub no yuav tsis ua qhov link ntawm ib tug neeg pab kiag li lawm uas kis ntaub ntawv. Ntawm cov hoob kawm, qhov no siv rau cov cheeb tsam uas nws yog tsis yooj yim sua los yog tsis tsim nyog rau siv wireless kev sib txuas, uas yog tseem nquag hloov cables xws li. Piv txwv li, qhov loj tshaj plaws telecommunications tuam txhab uas muag paving interregional qaum network, uas siv fiber optics. Cov kev siv ntawm cov raws rau lub peripheral cov khoom thiab pa telecommunications cov kev pab cuam no tso cai rau cov neeg siv rau optimize cov nyiaj txiag nqi ntawm txij nkawm ntawm lub network infrastructure, raws li zoo raws li kom cov efficiency ntawm cov ntaub ntawv kis tau tus mob.

disadvantages ntawm fiber

Tu siab, optic strands yuav tsis ua li cas tsis weaknesses. Txawm hais tias cov ntsiab lus ntawm tej postings yog pheej yig dua, tsis hais cov tsis muaj kev xav tau rau nquag tshiab, tus nqi ntawm cov ntaub ntawv uas yog ntau tshaj li tus hlau counterparts. Nyob rau hauv tas li ntawd, fiber optics thiab nws siv nyob rau hauv cov tshuaj yog tsis tshua muaj neeg txwv vim hais tias ntawm cov ntsiab lus nyob rau hauv ib co alloys ntawm cov hlau lead thiab zirconium impurities, tshuaj lom teeb meem rau tib neeg. Yeej nws kev txhawj xeeb hauv lub siab tshaj plaws zoo iav qauv, tsis plastkovyh.

Qhuav ntawm optical fiber nyob rau hauv Russia

Raws li ib feem ntawm cov ntshuam hloov kev pab cuam nyob rau hauv 2015, lub Hoobkas "Fiber-optic systems" twb qhib nyob rau hauv Mordovia. Nws yog ib lub xwb enterprise nyob rau hauv Russia, uas nyob rau lub caij kom deb li deb li sai tau sim kom tau raws li cov kev xav tau ntawm domestic tau txais kev pab nyob rau hauv lub kho qhov muag fiber. Los ntawm 2015, lub Lavxias teb sab kev lag luam yog tseem koom nyob rau hauv raug ntawm fiber optic cov ntaub ntawv, tiam sis tsuas yog tsis pub dhau tej yam targeted tej yaam num. Cov tib hom teeb meem tseem niaj hnub no. Yog hais tias ib tug tej yam lub tuam txhab yuav tsum fiber optics thiab nws siv nyob rau hauv cov tshuaj thiab nyob rau hauv lub teb ntawm telecommunication chaw yuav tsum nyiaj txiag tsis txhaum, ces muaj yog ib tug ntau ntawm cov factories yog npaj txhij mus ua hauj lwm nyob rau hauv xws tshwj xeeb kev txiav txim ib lub zuj zus. Txawm li cas los, loj zus tau tej cov tib cable los ntawm lub fiber xwb Mordovia cog yuav ua hauj lwm nyob rau hauv lub nyob ze yav tom ntej. Ntxiv mus, thaum nws tsis tau muab cov ua lag luam nyob rau hauv raws li qhov ntim ntawm kev thov. Ib tug tseem ceeb feem ntawm ntau lawm yog tseem yuav nyob rau hauv lub tebchaws United States thiab Nyiv. Txawm domestic khoom uas manufactured nyob rau hauv mas raw cov ntaub ntawv.

xaus

Fiber optic khoom tsim raws li ib tug ya ntawm lub lag luam yog twb txog 15-20 xyoo. Ntau xyoo dhau los cov neeg muaj peev xwm txaus siab rau lub meej mom ntawm tshiab cables, tab sis kev kawm tsis sawv tseem. Nrog ua kev thiab lub cev zoo thiab nthuav daim ntawv thov ntawm cov khoom. Qhov tseeb kho qhov muag fiber raws li nanotechnology, nyob rau hauv particular, nquag siv nyob rau hauv cov roj thiab cov nkev kev lag luam thiab tiv thaiv kev lag luam. Nyob rau hauv lem, nonlinear fiber optics npaj thaum tsuas conceptual, tab sis heev pheej chaw ntawm technology. Ntawm lawv yog cov lub compression ntawm laser pulses, kho qhov muag solitons, ultra-luv kho qhov muag tawg, thiab lwm yam Nws yog pom tseeb tias nyob rau hauv Ntxiv nrog rau qhov theoretical kev tshawb fawb uas tau qhib thiab nyob rau hauv ib tug ncaj qha kev txawj ntse, tshiab tsim thiab tso cai rau cov kev ua lag luam los mus ua kom tshiab muaj rau cov neeg muas zaub ntau.