Teknolojiyada isha Laser eeFibradda indhahaQeybta koowaad
Tikniyoolajiyadda dareenka ee indhaha ee indhaha ayaa ah nooc muujinaya tikniyoolajiyad dareemayaal ah oo ay weheliso tikniyoolajiyadda fiber-ka fiisanka fiit-ga. Nidaamka dareenka fiber ee indhaha ayaa inta badan ka kooban laser, fiber-ka gudbinta, dareenka aaladda ama moodalka, ogaanshaha khafiifka ah iyo qaybaha kale. Halbeegyada sharraxaya astaamaha hirarka iftiinka waxaa ka mid ah xoojinta, mawjadaha, wajiga, gobolka kala sooca, iwm. Tusaale ahaan, markii heerkulka, cadaadis, cadaadis, barokac, barokac, gariir, wareejin, wareejinta tirooyinka ayaa saameyn ku leh dariiqa indhaha, qiyaasid in si isdaba joog ah loo beddelo. Dareenka fiber-ka indhaha ah wuxuu ku saleysan yahay xiriirka ka dhexeeya xuduudahan iyo qodobada dibedda si loo ogaado tirada u dhiganta jirka.
Waxaa jira noocyo badan oo ahisha laserWaxaa loo adeegsaday nidaamyada dareenka fiber ee indhaha, kaas oo loo qaybin karo laba qaybood: isku xidhanilaha laseriyo ilo iftiin qarsoon, oo qarsoonIlaha iftiinkaBadanaa waxaa ka mid ah iftiinka dabacsan iyo diodida iftiinka iftiinka, iyo ilaha iftiinka ee isku-darka ah waxaa ka mid ah lasers adag, less-ka dareeraha ah, gaaska,Semiconductor LaseriyoFiber Laser. Waxyaabaha soo socdaa badanaa waa kuwaisha iftiinka lehWaxaa si weyn loogu isticmaalaa garoonka fiber dareenka sanadihii ugu dambeeyay: Khadka cidhiidhi ee ciriiriga ah hal-laser, lesas-ka-gorgor-ka-goysyada marxaladaha iyo laser cad.
1.1 Shuruudaha Khadka Tooska ahilaha iftiinka leysarka
Nidaamka dareenka fiber-ka indhaha looma kala saari karo isha laser, sida muuqaalka iftiinka leh ee la cabiray, sida deganaanshaha wejiga, xaraashka wax lagu ogaado, saxarada ogaanshaha, xasaasiyadda sunta ah, xasaasiyadda iyo astaamaha qaylada ayaa door muhiim ah ka ciyaara. Sanadihii la soo dhaafay, iyadoo la horumariyo xalka-fogaan-fogaan-fore-fore-opical-ka ah ee Fikradda Fikradda ah, tacliinta ayaa soo bandhigay shuruudo xayeysiis ah oo ku saabsan soo-saareyaasha laser-ka ee loo yaqaan 'Laser', oo ah: Faa'iidooyinka xalka sare (milimililile-qalkiisa) iyo xasaasiyad sare (ilaa -100 dbm) waxay noqdeen mid ka mid ah teknolojiyadda leh rajooyinka codsiyada ballaaran ee loo qaybiyo cabirka fiber-ka indhaha ee indhaha ku jira iyo caqabadaha tikniyoolajiyadda. Khadka Tilleefoonka ee Toot tikniyoolajiyadda eedRED waa in la adeegsadaa ilaha iftiinka ee 'The Iffile' si loo gaaro isha indhaha ee indhaha, sidaa darteed waxqabadka isha laser-ka sida caadiga ah ee ogaanshaha ee OPRDR-ka, dareenka iyo xalinta. Markuu dib-u-eegistu masaafada u dhowdahay dhererka isku-darka ah, xoogga calaamada garaacista ayaa loo ekaan doonaa wada-takoorka τ / τC. Isha iftiinka Gaussian oo leh qaab muuqaal ah, si loo hubiyo in soo noqnoqoshada garaacisku ay ka badan tahay 90% aragtida ah ee ka dhexeeya ballanta iftiinka iyo f, taas oo ah ballaca safka ee 80 km, oo ah ballaca sadarka isha iftiinka ayaa ka yar 100 hz. Intaas waxaa sii dheer, horumarka codsiyada kale sidoo kale waxay soo bandhigaan shuruudo sare oo loogu talagalay khadka tooska ah ee isha iftiinka. Tusaale ahaan, nidaamka fiqiga fidsan fiyuus ee indhaha, safka xariiqda iftiinka ayaa go'aamisa buuqa nidaamka oo waliba go'aamiya tilmaamaha ugu yar ee la cabiri karo ee nidaamka. Marka laga hadlayo 'Brolling' ee 'Frillouin' Speveple Optector (Botdr), xalka cabir heerkulka iyo walbahaarka waxaa lagu go'aamiyaa khadka tooska ah ee isha iftiinka. In resunile fiber optic gyro, dhererka isku-darka mowjadaha khafiifka ah ayaa la kordhin karaa iyadoo la yareyn karo safka tooska ah ee isha, iyadoo la yareeyo sadarka ballanta ee resure, iyo hubinta saxda ah ee resure, iyo hubinta saxda ah ee fiber optic gyro.
1.2 Shuruudaha ilaha laser
Hal gorgor majiro ah oo jilicsan oo jilicsan ayaa leh wax soosaarka wata ee jilicsan, waxay ku beddeli kartaa wax soo saarka badan ee wax soosaarka ah ee go'an, yareynta qiimaha dhismaha, waa qeyb lagama maarmaan ah oo ah nidaamka dareenka fiber ee indhaha ku habboon. Tusaale ahaan, raad raacitaanka fiber gaaska, noocyo kala duwan oo gaasas ah waxay leeyihiin gaas gaas oo kala duwan oo gaas ah. Si loo hubiyo hufnaanta iftiinka iftiinka ee iftiinka in uu ku filan yahay xasaasiyadda heerka cabirka, waxaa lagama maarmaan ah in la isku hagaajiyo mawjadda isha iftiinka ee ilaha iftiinka gaaska. Nooca gaaska ee la heli karo waxaa aasaas ahaan lagu go'aamiyaa mawjadaha ilaha dareenka ee dareenka. Sidaa daraadeed, xariiq toosan oo xariif ah oo leh qaab-dhismeedka xasaasiga ah ee xasilloon ayaa leh dabacsanaan heerka cabirka ah ee nidaamyada dareenka noocaas ah. Tusaale ahaan, qaar ka mid ah qaar ka mid ah nidaamyada dareenka fiber-ka ee ku saleysan milicsiga vitain-ka indhaha, laser wuxuu u baahan yahay in si dhakhso ah loo dejiyo si loo gaaro shuruudo heer sare ah, sidaa darteed xawaaraha ku-meel-gaarka ah ee laser-ka-la-habeynta ah ayaa badanaa loo baahan yahay inuu gaaro 10 pm / μs. Intaas waxaa sii dheer, xarkaha mawjadda xididka leh ee laser-ka ah ayaa sidoo kale si weyn loogu isticmaali karaa Laser, oo ka fog ee xasaasiga ah iyo falanqaynta muuqaalka sare ee xalka sare iyo xalka kale ee dareenka ah. Si loo haqabtiro shuruudaha cabirrada waxqabadka sare ee xargaha xargaha, oo caloosha shaashadda leh iyo xawaaraha dahabiga ah ee ku-meel-gaarka ah ee mawjadaha galka ah ee xargaha fiber-ka ah ee salka ku haysa, waa dhawaqa dhawaaqa yar ee lugta leh. Soosaarka Ultra-xasilsan iyo awoodda.
1.3 Baahida loo qabo isha iftiinka cad ee laser
Goobta dareenka indhaha, leysarka iftiinka cad ee tayada leh ee tayo sare leh ayaa ahmiyad weyn u leh hagaajinta waxqabadka nidaamka. Caymiska ballaaran ee muuqaalka ah ee laser fudud ee laser, ayaa ah mid ka sii ballaadhan codsigiisa ku saabsan nidaamka dareenka fiber-ka indhaha. Tusaale ahaan, markii la isticmaalayo Fibriisaha Fibriiska (FBG) si loo dhiso shabakad dareeraha ah, falanqaynta muuqaalka ah ama hab ku habboon shaandhaynta shaandhaynta shaashadda ayaa loo isticmaali karaa jahwareerka. Kii hore wuxuu adeegsaday muuqaal ah si uu si toos ah u tijaabiyo mid kasta oo fbg ah oo loo yaqaan 'revone' ee shabakadda. Dambe ayaa u adeegsanaya shaandhada tixraaca si uu ula socdo oo uu ka dhigo FBG ee dareenka, labaduba waxay labadoodaba u baahan yihiin ilo iftiin ballaaran oo isha iftiinka ah ee FBG. Sababtoo ah shabakad kasta oo Helitaan oo FBG ah ayaa lahaan doonta gabi ahaanba gelitaan, waxayna leedahay xayndaab ka badan oo ka badan 0.1 NM, burburin isku mar ah oo ku saabsan ilo badan oo FBG ah oo leh ilo weyn oo leh awood sare iyo xaaryo sare. Tusaale ahaan, markii la isticmaalayo fiber muddo dheer (LPFG) dareenka, maadaama faashaddu ay tahay hal dhufays hal dhuxul ah oo ay ku jiraan xargaha xad-dhaafka ah ee muuqaalka leh ee muuqaalka leh oo si sax ah u ah si sax ah loo habeeyo astaamaha ugu sarreeya ee ku saabsan astaamaha ugu sarreeya. Gaar ahaan, acoustic fiber (aifg) ayaa lagu dhisay iyada oo la adeegsanayo saameynta acousko-optical-optic-ka ay ku gaari karto tusaalayaal u kala go 'ah oo ah 1000 NM iyada oo loo adeegsanayo korantada. Sidaa darteed, tijaabinta firfircoon ee firfircoon oo leh cabir noocan oo kale ah ayaa caqabad weyn u leh fara badan ee bandwidth ee isha iftiinka muuqaalka ah. Sidoo kale, sannadihii ugu dambeeyay, iniintii la soo rogay ee Bragg Gragg ayaa sidoo kale si weyn loogu adeegsaday duurka galka fiber. Sababo la xiriira astaamaha foosha xumada ee badan, tirada shahwada mawjadda ayaa badanaa gaari kara 40 NM. Habka xiisaha leh ayaa sida caadiga ah isbarbardhigaya dhaqdhaqaaqa qaraabada ee isu gudbinta buufinta badan ee gudbinta, marka waxaa lagama maarmaan ah in la cabbiro muuqaalka faafinta si buuxda. Bandwidth iyo awoodda isha iftiinka ee ballaaran ayaa loo baahan yahay inay ka sareyso.
2. Xaaladda cilmi baarista ee guriga iyo dibedda
2.1 START STARF LOSER LIGER LIGEL
2.1.1 Link Stritwidth Semimiconductor-ka ee loo qaybiyey 'leser'
Sannadkii 2006, Cliche et al. hoos u dhigay cabirka MHZ ee SemiconductorDFB LSER(Waxaa loo qaybiyey Jawaab-celinta Laser) oo loo adeegsado cabirka Khz iyadoo la adeegsanayo hab jawaab-celin koranta ah; Sanadkii 2011, Kessler et al. Heerkul hooseeya iyo xasillooni sare oo xargaha sare leh oo ay weheliso xakamaynta jawaab-celinta firfircoon si loo helo wax soo saarka laser-ka-ciriiriga ee ultra-dhuuban ee 40 mhz; Sannadkii 2013, Peng et al wuxuu helay wax soo saarka semiconductor leh laser leh linkthth 15 khz isagoo adeegsanaya habka dib-u-habaynta fadagga dib-u-eega ee dib-u-eega (FP). Habka jawaab-celinta korantada ayaa inta badan loo isticmaalaa balli-drved-hoolka soo noqnoqoshada xasilloonida xasilloonida si looga dhigo zerwerth-ka laser ee isha iftiinka la dhimi doono. Sannadkii 2010, Bernhardi et al. Waxaa soo saaray 1 cm oo ah eryium-ka-dillaacay alumina fbg substrate silicon oks si loo helo wax soo saar laser ah ballac ballaadhan oo ah 1.7 khz. Isla sanadkaas, Liang et al. Waxaa loo adeegsaday jabinta is-ijadda ee dib-u-eegida gadaal ee loo yaqaan 'Freeleigh' oo ay sameysay resured-ka-Q-bixiyaha-Qase ee Semiconductor Laser ballac-ballaadh ah, sida ugu dambeyntiina waxay heleen safka hore ee dhudhun-dhudhun oo ah 160 Hz.
Jaantus 1
(b) Soo noqnoqoshada muuqaalka ah ee Semiconductor ee bilaashka ah ee 'Semiconductor'
(c) Soo noqnoqoshada laser ee laser oo leh safka safka laga dhigay 160 hz
2.1.2 Sing Sintwidth Fiber Laser
Loogu talagalay daloolka xijaabka xijaabka leh ee xididdada leh, wax soo saarka cidhiidhiga ah ee xarkaha hal-abuurka hal dhererka ah ayaa la helaa iyadoo la soo gaabiyo dhererka resitsinta iyo kordhinta mode-ka dhererka dheer. Sannadkii 2004, Spiegelberg et al. Waxaa laga helaa hal-ka-soo-nooleynta HALKAN LOSER LOSER LOSER LOSER Sannadkii 2007, Shen et al. Waxaa loo adeegsaday 2 cm si xoog leh silicoonka silicon-ka silicon fiber si ay ugu qoraan fbg-ga leh fiber-ka-g-ka-maydhista ee-gaaga, oo ay ku dhexjiraan fiber-ka qafiif ah si ay u baxaan qadka toosan ee qadka dheer Sanadkii 2010, Yang et al. Waxaa loo adeegsaday 2cm dalool gaagaaban oo aad u sareeya Sanadka 2014, kooxdu waxay u adeegsan jirtay dalool gaaban oo toosan (line-udhiga toosan) oo ay weheliso shaandhada 'FBG-FP' si ay u helaan wax soo saar laser ah ballac ciriiri ah, sida ka muuqata Jaantuska 3. Sawir ahaan, cai et al. Qaab dhismeedka gaagaaban ee 1.4cm loo adeegsaday wax soo saarka dhaadheer oo laser ah oo leh wax soo saar laser ah oo ka badan 114 mw, mawjad dhexe oo ah 1540.3 nm, iyo ballaca xariiqda 4.1 khz. Sannadkii 2013, Meng et al. Waxaa loo adeegsaday Frillouin Frober ee fiber-ka frbium-gitaarka gaagaaban ee aaladda-oo gaagaaban oo lagu keydiyo hal-ka-soo-saar hal-koob, wax soo saarka dhawaaqa yar ee laser-ka leh awoodda wax soo saarka ee 10 mw. Sanadkii 2015, kooxdu waxay u adeegsan jirtay daloolka giraanta oo ka kooban 45 cm eryium errium-ka ah maadaama Frillouin Frappy Frient 'ee dhexdhexaadka ah si loo helo wax soo saarka hoose oo dhuuban oo xariif ah.
Jaantus 2
(b) Fineshac ka mid ah xariiqda xariijimaha heterodyne ee lagu cabiro 97.6 km fiber daahitaanka
Waqtiga Post: Novom-20-2023