Ulwazi olusisiseko lwefibre

Ukuqulunqwa kwefibre ye-fiber iqhubele phambili kwintsimi yecandelo lonxibelelwano. Ukuba akukho fiber engapheliyo ukubonelela ngeendlela ezinokutsha eziphezulu, i-Intanethi inokuhlala kuphela kwinqanaba lethiyori. Ukuba inkulungwane yama-20 yayilixesha lombane, ngenkulungwane yama-21 lixesha lokukhanya. Kukutshintsha njani ukukhanya? Masifunde ulwazi olusisiseko lonxibelelwano olunjalo kunye nomhleli ongezantsi.

Icandelo 1. Ulwazi olusisiseko lokukhanya kokukhanya

Ukuqonda amaza okukhanya
Amaza okukhanya enyanisiweyo anamaza e-Electromagnetic, kwaye kwindawo yasimahla, i-wavelength kunye ne-frequency yezaza ze-electromagnetic zilingana ngokungafaniyo. Imveliso yala mabini ilingana nesantya sokukhanya, oko kukuthi:

Cwangcisa amaza amaza okanye amaza amaza amaza e-electromagnetic ukuze enze i-elektromagnetic spectrum. Ngokwama-wavegengs eyahlukileyo okanye amaza e-elektromagnetic anokwahlulwa kwingingqi ye-radiation, ingingqi ye-Ultraviolet, ingingqi ebonakalayo, ingingqi ye-infwave, ingingqi ye-microwave, kunye nengingqi ye-microwave, kunye nengingqi ye-microwave, kunye nengingqi ye-radiod, kunye nengingqi ye-microwave, kunye nengingqi ye-microwave, kunye nengingqi ye-microwave, kunye nengingqi ye-microwave. Iibhendi ezisetyenziselwa unxibelelwano ikakhulu yingingqi ye-infrared, ingingqi yeMicrowave, kunye nengingqi ye-radio wave. Lo mfanekiso ulandelayo uya kukunceda uqonde ukwahlulahlulwa kweebhedi zonxibelelwano kunye nemithombo yeendaba ehambelana nemizuzu.

Iprotagonist yeli nqaku, "i-fiber optic yonxibelelwano," isebenzisa amaza okukhanya kwibhendi ye-infrared. Xa kufikwa kule nto, abantu banokuzibuza ukuba kutheni kufuneka kwindibaniselwano ye-infrared? Lo mbandela uhambelana nokulahleka kodluliselo lwe-fiber fiber, eyiGlasi yesilika. Okulandelayo, kufuneka siqonde ukuba i-fibers eyaphepheni idlulisela njani ukukhanya.

Ukucocwa, ukucingisisa, kunye nokubonakalisa ukhanyiso

Xa ukukhanya kukhutshelwa kwenye into ukuya kwenye, ukwala kwaye kubonakaliswa kwi-Intanethi phakathi kwezinto ezimbini, kwaye i-angle yokukhanya kwesehlo. Njengoko kubonisiwe kwi-10 ① → ②. Xa i-angle yesehlo ifikelela okanye igqithile kwi-angle, i-SHICH eshukumayo kwaye yonke i-section ibonakalisiwe emva, nto leyo eboniswayo yokukhanya, njengoko kubonisiwe kwi-② → ③ kwala manani alandelayo.

Izinto ezahlukeneyo zinee-indices ezahlukeneyo zokuphikisa, ke isantya sendlela yokukhanya iyahluka kwimithombo yeendaba ezahlukeneyo. Isalathiso esimiselweyo simelwe ngu-N, n = c / v, apho ikhoyo ye-valocity kwi-valocity kunye ne-v yindawo yokusasazeka kweyona ndawo. I-Dipper kwisalathiso esiphezulu sokucofa sibizwa ngokuba yindawo ephakathi, ngelixa i-Indey ye-Refleting ye-Recaive ibizwa ngokuba yindawo ye-sparse. Iimeko ezimbini zokubonisa ngokupheleleyo:
I-1. Ukudluliselwa kwendawo ephakathi ye-twit
I-2. I-angle eseburhulumenteni inkulu kune okanye ilingane ne-engile ebalulekileyo yokubonakalisa ngokupheleleyo
Ukwenzela ukuthintela ukuvuza komqondiso okhethekileyo kunye nokunciphisa ilahleko yothungelwano, ukuhanjiswa okukhethiweyo kwimigca yamaphenyane kwenzeka phantsi kweemeko ezizezonke.

Icandelo 2. Intshayelelo kwimithombo yeendaba yokusasaza (ifibre optic)

Isakhiwo seFiber Optic

Ngolwazi olusisiseko lokubonisa ngokupheleleyo ukusasazeka, kulula ukuqonda isakhiwo soyilo lweentsinga. I-fiber engenanto yefibre yefayili yahlulahlulwe yangamacala amathathu: umaleko wokuqala yindawo ephambili, ekwakho embindini wefibre kwaye idityaniswe yi-silicon diokon ephezulu, ebizwa ngokuba yiglasi. I-Core Seameter yi-9-10 microns (i-Mode-Mode-Mode), i-50 okanye i-50 okanye i-62.5 microns (imowudi yeendlela ezininzi). I-fiber core inesalathiso esiphezulu sokwenza i-Recockence kwaye isetyenziselwa ukudlulisela ukukhanya. Ukuvalelwa kwesibini kuvala: Indawo ejikeleze i-fiber core, ikwaqulunqwe ngeglasi ye-silica (ene-diameter yee-microns ezingama-125). Isalathiso sokuqaqamba kwe-cladding siphantsi, senza imeko yokubonisa iyonke kunye ne-fiber orre. Ubeko olukhuthazayo lwesithathu: Isiseko sangaphandle sisimo esongeziweyo. Isixhobo sokukhusela sinamandla aphezulu kwaye sinokujamelana neempembelelo ezinkulu, ukukhusela i-fiber ye-optical ukusuka kwi-varosion ye-vapor yamanzi kunye noomatshini.

Ukuphulukana nokuhambisa

I-FiBER ilahleko yosulelo ye-fiber optic yinto ebaluleke kakhulu echaphazela umgangatho wonxibelelwano lwe-fiber optic. Ezona zinto ziphambili ezibangela ukuba kuthathwe imiqondiso ye-offication ibandakanya ukulahleka kwezixhobo, ukusasazeka ngexesha lokuhambisa, kunye nezinye ilahleko ezibangelwa zizinto ezinje nge-fiber ukugoba.

Ukukhanya kokukhanya kwahlukile, kwaye ilahleko yothumelo kwiintsinga ze-fibers nayo yahlukile. Ukwenzela ukunciphisa ilahleko kwaye uqinisekise ukothungelwa, izazinzulu zizibophelele ekufumaneni okona kukhanya. Ukukhanya kwi-wavelength yanga i-1260nm ~ 1360nm ineyona ndawo incinci yokugqwetha ebangelwa kukusasazeka kunye nelahleko esezantsi yokufumana. Kwiintsuku zokuqala, laavelelo yaqatshelwa kwamkelwa njengebhendi yonxibelelwano oluchanekileyo. Emva kwexesha, emva kwexesha elide lokuhlola kunye nokuziqhelanisa, iingcali zishwankathele ilahleko ephantsi i-waveletth prity (i-1260nm ~ 1625nm), eyona ilungele ukuthunyelwa kweentsinga. Ke amaza okukhanya asetyenziselwa unxibelelwano lwe-fiber optic ngokubanzi kwibhendi ye-infrared.

I-fiber optic ukwahlulahlula

I-Multimode Optical Fiber: idlulisela iindlela ezininzi, kodwa inkululeko enkulu yokusasazeka kwemilinganiselo yokusasazeka komhlaba ukuhambisa imiqondiso yedijithali, kwaye lo mda uba ngumgama oqatha. Ke ngoko, umgama we-Multimode Fiber optic yosulelo ifutshane kakhulu, ihlala ineekhilomitha ezimbalwa kuphela.
Imowudi enye ye-fiber: Ngobubanzi befibeber omncinci, i-theoret kuphela imowudi enye inokudluliselwa, iyenza ilungele unxibelelwano olude.

Icandelo lesi-3. Umgaqo wokuSebenza weNkqubo yoNxibelelwano lweFire oPhambili

Inkqubo yoNxibelelwano lweFapber

Iimveliso zonxibelelwano eziqhele ukusetyenziswa, ezinje ngeefowuni eziphathwayo kunye neekhompyuter, zidlulisela ulwazi ngohlobo lweempawu zombane. Xa uqhuba unxibelelwano olukhanyayo, inyathelo lokuqala kukuguqula imiqondiso yombane ibe yimiqondiso ye-fiber optic, kwaye emva koko iguqule imiqondiso ye-optic kwiimpawu zombane ukufezekisa injongo yothungelwano lolwazi. Inkqubo yonxibelelwano olusisiseko lokunxibelelana leqonga liquka iswiti yendawo yokuhamba, umamkeli we-fappecal, kunye nesekethe ye-fiber offic yokukhanya ukukhanya. Ukuze kuqinisekiswe umgangatho wothungelwano umgama omde kwaye uphucule i-bandwidth yodluliselo, ii-realticals kunye nee-alxers zisetyenziswa ngokubanzi.

Apha ngezantsi kukho intshayelelo emfutshane yomgaqo wokusebenza wecandelo ngalinye kwinkqubo yonxibelelwano ye-fiber optic.

I-Special Official:Iguqula imiqondiso yombane ibe yimiqondiso yokukhanya, ikakhulu iqulunqwe nge-modralitors yomqondiso kunye nemithombo yokukhanya.

I-SignXERXER:Izibini ezitshatileyo zokuthambisa iimpawu zangaphambi kwe-wavelengths eyahlukileyo kwifibre enye yokuhambisa, ukufezekisa isiphumo sokuphindaphinda umthamo wokuphindaphindiweyo.

I-Poter ye-Optical:Ngexesha losasaze, ubuninzi bomqondiso buya kuthi buye buthathaka, kunjalo, kuyafuneka ukubuyisela i-wavesm kumqondiso woqobo womqondiso.

Isiginali dedeptraclections:Ukubola uphawu lwe-Coulx kwimpawu zalo zokuqala.

Umamkeli we-Optical:Iguqula i-thessical efunyenweyo kumqondiso wombane, ubukhulu becala uqhutywa yifoto kunye ne-dedodulator.

Icandelo 4. Izibonelelo kunye nokuSebenza konxibelelwano lwekhephu

Izinto eziluncedo kunxibelelwano oluyinyani:

I-1. Umgama omde odluliselwa, uqoqosho kunye nolondolozo lwamandla
Ukuthatha usulelo lwee-GBPS ezili-10 (iibhiliyoni ezili-10 okanye ezi-1 kwi-yesibini) yolwazi, ukuba kusetyenziswa unxibelelwano lombane, ukuba umqondiso kufuneka udluliselwe kwaye uhlengahlengise yonke imitha nje embalwa. Xa kuthelekiswa noku, kusetyenziswa unxibelelwano olungapheliyo kunokufezekisa umgama ongaphezulu kwe-100 yeekhilomitha. Amaxesha ambalwa umqondiso uhlengahlengiswa, iphantsi indleko. Kwelinye icala, umxholo wefibre yefibuthe yi-silicon diokside, enezinto ezininzi zogcino kunye neendleko eziphantsi kakhulu kunecingo lobhedu. Ke ngoko, unxibelelwano olululo lunefuthe loqoqosho nezambane.

2. UTSHINTSHO LOLWAZI LOKUFUNDA NOKUSETYENZISWA KOMSEBENZI

Umzekelo, ngoku xa uthetha nabahlobo phesheya okanye ukuncokola kwi-Intanethi, isandi asizisi sakhiwo njengangaphambili. Kwixesha lonxibelelwano ngomnxeba, unxibelelwano lwamanye amazwe ikakhulu luxhomekeke kwi-satellites ye-artific anjengokudluliselwa kothungelwano, kukhokelela kwindlela ehamba kakhulu. Unxibelelwano oluhambayo, ngoncedo lweentambo zangaphantsi komhlaba, inciphisa umgama odluliselwa, esenza ulwazi lotshintsho ngokukhawuleza. Ke ngoko, ukusebenzisa unxibelelwano olungapheliyo kunokufezekisa unxibelelwano oluqhelekileyo kunye phesheya.

3. I-Anti-Pritical Antitions kunye nemfihlo entle

Unxibelelwano lombane lunokufumana iimpazamo ngenxa yokuphazamiseka kwe-elektromagnetic, ekhokelela ekunciphiseni komgangatho wonxibelelwano. Nangona kunjalo, unxibelelwano olululo aluchaphazeli yingxolo yombane, yenze lukhuseleke kwaye uthembeke ngakumbi. Kwaye ngenxa yomgaqo wokucingisisa ngokupheleleyo, umqondiso ugcinwe ngokupheleleyo kwifibre yosulelo, ukuze imfihla imfihlakalo ilungile.

I-4. Umthamo omkhulu wokuhambisa
Ngokubanzi, unxibelelwano lombane lunokudlulisela kuphela i-10Gbps kuphela (i-10 bhiliyoni 0 okanye i-1 imiqondiso yesibini) yolwazi, ngelixa unxibelelwano lwe-1 okanye i-1 trillion 0 okanye i-1 i-1 imiqondiso) yolwazi.

Ukusetyenziswa konxibelelwano lwekhethi

Zininzi izibonelelo zokunxibelelana, kwaye idityaniswe kwikona yobomi bethu ukusukela kuphuhliso lwayo. Izixhobo ezinje ngeefowuni, iikhompyuter, kunye neefowuni ze-IP ezisebenzisa i-Intanethi ziqhagamshela wonke umntu kwingingqi yazo, ilizwe liphela, kwaye nakwinethiwekhi yonxibelelwano lwehlabathi. Umzekelo, imiqondiso ekhutshwa ziikhompyuter kunye neefowuni eziphathwayo ezihlanganisiweyo kwizikhululo zonxibelelwano zonxibelelwano lwasekhaya kunye nezixhobo zoMboneleli, kwaye emva koko zidluliselwa kwiindawo ezahlukeneyo zehlabathi ngentambo ye-fibermaric.

Ukufezekiswa kwemisebenzi yemihla ngemihla njengeefowuni zevidiyo, ukuthenga nge-Intanethi, imidlalo yevidiyo, kunye ne-binge ijongene nazo zonke inkxaso kunye noncedo emva kweziganeko. Ukuvela kweenethiwekhi zendlela yokwenza kwenza ubomi bethu bube lula kwaye lulungele.