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Litaba

Tsebo ea mantlha ea fiber ea mahlo

Ho qaptjoa ha mohatetsi oa mahlo ho entse phetoho mabapi le phetoho tšimong ea puisano. Haeba ho se na fiber ea bonono ho fana ka liteishene tse phahameng haholo, inthanete li ka lula mohato oa theoretical. Haeba lekholo la bo20 la lilemo e ne e le mehla ea motlakase, ka nako eo, lekholo la bo21 la lilemo ke nako ea leseli. Leseli le fumana puisano joang? Ha re ithute tsebo ea mantlha ea puisano ea mahlo hammoho le mohlophisi ka tlase.

Karolo ea 1. Tsebo ea mantlha ea ho lelekoa hoa leseli

Ho utloisisa maqhubu a mahlo
Maqhubu a bobebe ke maqhubu a motlakase a motlakase, le sebakeng sa mahala, setša sa maqhubu a maqhubu a maqhubu a Elecromagnet. Sehlahisoa sa tse peli se lekana le lebelo la khanya, ke:

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Hlophisa maraba kapa maqhubu a maqhubu a motlakase ho sesebelisoa sa electrimagnettic e le hore a thehe pono ea electromagnet. Ho latela maqhubu a fapaneng kapa maqhubu a motlakase, setsi sa motlakase sa motlakase o ka aroloa sebakeng sa radiation, sebaka se bobebe, sehlekehleke sa li-microwave, sebaka se telele sa radia. Makhalong a sebelisitsoeng bakeng sa puisano hangata ke sebaka se infrared, sebaka sa microwave le sebaka sa seea-le-moea. Setšoantšo se latelang se tla u thusa ho utloisisa karohano ea lihlopha tsa puisano le mecha ea phatlalatso e lumellanang metsotso.

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Ntlha ea bohlokoa ea sehlooho sena, "Fiberretic puisano e nepahetseng," e sebelisa maqhubu a makhasi a sehlopha sa infrared. Ha ho tluoa ntlheng ena, batho ba ka ipotsa hore na ke hobane'ng ha ho tlameha ho ba sehlopheng se fosahetseng? Taba ena e amana le tahlehelo ea phetisetso ea phetisetso ea lisebelisoa tsa Fiber, khalase ea silica hantle. Ka mor'a moo, re hloka ho utloisisa hore na likhoele tsa mahlomo li fetisetsa leseli joang.

Ho hana, ho thuisa le ho nahana ka leseli

Ha leseli le tloha nthong e 'ngoe ho ea ho e' ngoe, le ho nahanisisa ka sebopeho pakeng tsa lintho tse peli, le lehlakore la ho hana ho eketseha ka lehlakoreng la ketsahalo. Joalokaha ho bontšitsoe setšoantšong ① → ②. Ha ketsahalo e qala ho fihla kapa e feta e itseng, leseli le khathollang le nyamela, e leng leseli le felletseng la leseli, leo ho bontšitsoeng setšoantšong se latelang.

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Lisebelisoa tse fapaneng li na le lisebelisoa tse fapaneng tsa theko, kahoo lebelo la phatlalatso e bobebe le fapana ho mecha ea litaba. Lenane la theko e phahameng le emeloa ke n, n = c / v, moo Velocity e leng Velouum le V ke Velocity ho mahareng. Ho ba mahareng ka index e phahameng ea theko e phahameng e bitsoa e bohareng, ha e bohareng le index e tlase e bitsoa bohareng ba sparse. Maemo a mabeli a ho thuisa ka botlalo ho etsahala:
1. Phetisetso ho tsoa ka ho teba ka mokhoa o lemetseng ka ho ts'oara ka mokhoa o tsitsitseng
2. Kameho ea ketsahalo e kholo ho feta kapa e lekanang le sekhahla se thata sa ho thuisa ka botlalo
Bakeng sa ho qoba ho thekesela ha matšoao le ho fokotsa tahlehelo ea phetisetso, ho fanoa ka phetisetso ea motlakase ho tsoa maemong a hlahang.

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Karolo ea 2.

Sebopeho sa Fiber Optic

Ka tsebo ea mantlha ea polelo e bobebe ea maikutlo, ho bonolo ho utloisisa sebopeho sa meralo ea likhoele tsa motlakase. Moferefere oa fiber ea optic o arotsoe likarolo tse tharo: Karolo ea pele ke motheo oa fiber ena, e boetse e tsejoa ka khalase ea silicon. Bophahamo ba mantlha hangata bo ka 9-10 lekholong (mode-mokhoa Core ea fiber e na le index e phahameng haholo mme e sebelisetsoa ho fetisa lebone. Karolo ea bobeli e qapahalang: Ho pota fire ea fiber, hape e entsoe ka chele ea silica, e nang le boholo ba li-silica (ka bophara ba likokoana-hloko tse 125). Lenane la theko ea ho pharalla le tlase, la theha boemo bo felletseng ba ho hlakisa hammoho le mantlha a fiber. Sekhahla sa boraro se qabolang: Thepa e ka ntle ke hore na o koaheloa o holofetse. Lintho tse ling tsa tšireletso li na le matla a maholo mme li ka khona ho mamella litšusumetso tse kholo, ho sireletsa fiber ea mahlo ho tloha khokhopo ea mouoane oa metsi o futhumetseng.

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Tahlehelo ea phetisetso ea mahlo

Tahlehelo ea phetisetso ea motlakase ke ntho ea bohlokoa haholo e amang boleng ba puisano ea fiber. Lintho tse ka sehloohong tse bakang likhohlano tsa matšoao a ho lahleheloa ke thepa, tahlehelo ea ho hanyetsa, le tahlehelo e ling tse bakoang ke Fiber le tahlehelo ea ho li fokotsa.

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Tšabo ea leseli e fapane, 'me tahlehelo ea phetisetso ea likhoele tse likhoele e boetse e fapane le eona. Bakeng sa ho fokotsa tahlehelo le ho netefatsa phetoho ea phetiso, bo-rasaense ba ikemiselitse ho fumana leseli le loketseng ka ho fetisisa. Leseli la The WaveLeath Range Of 1360nm ~ 1360nm e na le likhoele tse nyane tse bakoang ke ho ba bokoang ke ho lahla le ho lahla lintho tse tlase. Matsatsing a pele, mofuta ona oa sebopeho o ile oa amoheloa e le sehlopha sa puisano sa puisano. Hamorao, kamora nako e telele ea ho phatlolla le ho ithuta, litsebi li ile tsa akaretsa liphallelo tse tlase tsa sebaka (1260 ~ 16,25nm), e loketseng likhoele ka likhoele. Kahoo maqhubu a khanya a sebelisitsoeng puisanong ea kelello a fiber hangata a le sehlopheng sa infrared.

Fiber Optic Optic

Fiber ea Multlimede: Ho fetisetsa mekhoa e mengata, empa ho se hanyelletsoa haholo ka litekanyetso Ka hona, sebaka sa phetisetso ea multimede ea mafura a multimede o khuts'oane, hangata li-kilometer tse 'maloa feela.
Mohato o le mong oa hau oa FAR: Ka bophara ba fiberter e nyane haholo, mokhoa o le mong feela o ka fetisoa, o e etsa o loketse puisano e hole.

Setšoantšo sa papiso Multimode Fiber Mohato o le mong oa faz
Lifoto tsa Fiber Optic Litsenyehelo tse phahameng theko e tlase
Litlhoko tsa lisebelisoa tsa phetiso Litlhoko tse tlase tsa lisebelisoa, litšenyehelo tsa lisebelisoa tse tlase Litlhoko tse phahameng tsa lihlahisoa, litlhokahalo tse phahameng tsa leseli
ATTEnuation phahameng tlase
Phetolo ea ho fetisoa: 850nm-1300Nm 1260-1640nm
Loketseng ho sebelisoa bophara ba mantlha tsa mantlha, ho bonolo ho sebetsana le tsona Khokahano e rarahaneng haholoanyane bakeng sa ts'ebeliso
Sebaka sa phetisetso Network Network
(ka tlase ho 2km) Network netweke bohareng ba marang-rang
(Kholo ho feta 200km)
Bandwidth LIMITED BADWIDth Hoo e batlang e se nang moeli e sa lekanyetsoang
Sephetho Fibertetic optic e theko e boima haholo, empa litšenyehelo tse amanang le tsona tsa ts'ebetso ea marang-rang li tlase Ts'ebetso e phahameng, empa litšenyehelo tse phahameng tsa ho theha marang-rang

Karolo ea 3. Molao-motheo oa Ts'ebetso ea Khokahano ea Fander Optic Optic

Sistimi ea puisano ea Fiber ea Optical

Lihlahisoa tsa puisano tse sebelisoang hangata, tse kang mehala ea mehala le likhomphutha, fetisetsa tlhahisoleseling ka sebopeho sa lipontšo tsa motlakase. Ha u khanna puisano ea mahlo, bohato ba pele ke ho fetola matšoao a motlakase ka lipontšo tsa bolotsana, ebe o fetola litloele tsa fiber, ebe o fetola matšoao a phetisetso ea motlakase. Sistimi ea mantlha ea puisano e mabapi le transmitter ea "moamoheli ea tsoang, le mohahlauli oa fiberry le fiber ea khalemela bakeng sa ho fetisa leseli. Bakeng sa ho netefatsa boleng ba phetisetso ea lets'oao le hole le ho ntlafatsa phetiso ea bandwidth, ho fetoloa ha li-rematers tse ngata ka kakaretso.

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Ka tlaase monahano o ka tlase ke kenyelletso e khuts'oane ea molao-motheo o mong le o mong oa puisano ea fiber ea fantisi ea hau.

Transmitter ea Optive:Fetolela matšoao a motlakase ka matšoao a molomo, haholo-holo ka mekhahlelo ea matšoao le mehloli ea leseli.

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Sepontšo:Banyalani ba bangata ba tsamaisang thepa ba li-wavelekeng tse fapaneng ba fifala se tšoanang le se tšoanang sa phetisetso, ho fihlela phello ea bokhoni ba ho fetisetsa.

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Ho pheta-pheta-pheta:Nakong ea phetisetso, a siama le ho fokolisoa ha letšoao ho tla mpefala, ka hona hoa hlokahala ho khutlisa manyalo a tlotsitsoeng a letšoao ebe o eketsa tekanyo e bobebe.

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Signal Demulriplexer:Bolaetsa lets'oao la menyu e kopaneng lipontšong tsa eona tsa motho oa pele.

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Momosisi oa Optical:E fetola lets'oao le fumanoeng ka lets'oao la motlakase ka lets'oao la motlakase, haholo-holo e entsoeng ka motho ea nkang lifoto le demoduletor.

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Karolo 4. Melemo le mesebetsi ea puisano ea mahlo

Melemo ea puisano ea mahlo:

1. Deatury e telele, e le moruo le matla
Ho nka phetiso ea li-gbps tse 10 (li-billion tse 10 kapa 1 kapa li-letšoao la bohlano ka motsotsoana) Ha ho bapisoa le sena, ho sebelisa puisano ea mahlo ho ka fihlela sebaka se atamelaneng sa lik'hilomithara tse fetang 100. Makhetlo a sengnyane letšoao le fetoloa, le tlase theko. Ka lehlakoreng le leng, litaba tsa fiber ea li-tuber ke silika bioxide, tse nang le mehloli e mengata le theko e tlase ho feta terata ea koporo. Ka hona, puisano ea mahlo e na le phello ea moruo le matla.

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2. Tlhahlobo e potlakileng ea tlhaiso-leseling le boleng bo phahameng ba puisano

Ka mohlala, joale ha u bua le metsoalle e mose ho maoatle kapa ho qoqa le ho bua inthaneteng, molumo ha o thetse joaloka pele. Linakong tsa ho ngola machabeng ho itšetleha ka boloi ba maiketsetso joalokaha ho fihla tseleng ea phetisetso le ho fihla ka matsoho. Ho ntse ho bua ka mahlo, ka thuso ea likhoele tsa kabene, khutsufatsa sebaka sa phetisetso, ha u etsa hore ho fetisetsa chelete ka potlako. Ka hona, ho sebelisa puisano ea mahlo ho ka fihlela puisano e matla le mose ho maoatle.

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3. Bokhoni bo matla ba anti-metani le lekunutu

Puisano ea Motlakase e ka ba le liphoso ka lebaka la ho kena-kenana le Electrimagnetic, e leng ho fokotseha ha boleng ba puisano. Leha ho le joalo, puisano ea mahlo ha e angoa ke lerata la motlakase, e e etsang e bolokehile ebile e ea tšepahala. Mme ka lebaka la molao-motheo oa ponahatso e felletseng, pontšo e felletse ka botlalo ho fiber ea motlakase, kahoo lekunutu le lokile.

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4. Bokhoni bo boholo ba phetisetso
Ka kakaretso, puisano ea motlakase e ka fetisetsa li-10gbps feela (10 billion 0 kapa lits'oao tse 1 tsa tlhahisoleseling, ha puisano e ntse e bua (1 trillion 0 kapa 1.

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Ho sebelisoa ha puisano ea mahlo

Ho na le melemo e mengata ea puisano ea mahlo, 'me e ntse e kopantsoe ka har'a bophelo ba rona ba bophelo ba rona ho tloha nts'etsopele ea eona. Lisebelisoa tse kang mehala ea selefouno, lik'homphieutha le IP Mehala ea marang-rang e fumanehang sebakeng sa bona, naha eohle esita le ho ea marang-rang a ho khothaletsa batho ba lefats'e. Mohlala, matšoao a qosoang ka likhomphutha le mehala ea mehala e bokellaneng ea karolo ea khoebo ea lehae, 'me li fetisetsoa likarolong tse fapaneng tsa lefats'e ka likhoele tsa kahare.

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Ho lemoha lintho tsa letsatsi le letsatsi tse kang ho letsetsa tsa video, ho reka video le ho itlotsa ka matla tšehetso le thuso ea eona. Phetoho ea marang-rang a lintho tsa mahlo e entse hore maphelo a rona a phutholohile le ho le bonolo.

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Nako ea poso: Mar-31-2025