Gakoni ya LaserFibrekumva igice kimwe
Ikoranabuhanga rya Optique ryumvikana ni ubwoko bwumvikana bwateye imbere hamwe nikoranabuhanga rya fibre rya fiber hamwe nikoranabuhanga ryiza rya fibre, kandi ryabaye imwe mumashami akora cyane yikoranabuhanga rya Photerictch. Sisitemu ya Fiblical Yuzuye Ahantu hagizwe ahanini na laser, fibre, yunvikana ikintu cyangwa agace kahinduwe, gutahura urumuri nibindi bice. Ibipimo bisobanura ibiranga umucyo birimo ubukana, uburebure, icyiciro, inkingi, nibindi. Ibi bipimo birashobora guhindurwa ningaruka zo hanze muburyo bwa fibre ya fibre. Kurugero, iyo ubushyuhe, igitutu, ubungubu, kwimura, kunyeganyega, kuzunguruka, kunama no kunama no kunama no kunyerera bigira ingaruka kumihanda ya optique, iyi mibare ihinduka. Indanganya ya Optique irashingiye ku mibanire iri hagati yibi bipimo nimpamvu zo hanze kugirango utange amakuru ahuye.
Hariho ubwoko bwinshi bwaInkomoko ya Laserikoreshwa muri sisitemu ya fibre nziza, ishobora kugabanywamo ibyiciro bibiri: cohentAmasoko ya LaserAmasoko yoroheje ntangaruganda, idahuyeisoko yorohejeAhanini harimo urumuri rutera kandi rusohora urumuri rworoshye, kandi rutahura urumuri rurimo abahiga bakomeye, abahiye amazi,Semiconductor Laserkandifibre laser. Ibikurikira ahanini kuriInkomoko ya LaserByakoreshejwe cyane murwego rwa fibre bwuzuye mumyaka yashize: Umurongo wa Gitoya Katose-Freen Preser, uburebure bwuzuyeho.
1.1 Ibisabwa kubantu barenganijweInkomoko yoroheje ya Laser
Sisitemu ya Fiblical Yuzuye Sisitemu ntishobora gutandukana na laser inkomoko ya laser, nkindabyo zitwara urumuri, nkubutaka bwa laser Mu myaka yashize, hamwe n'iterambere ry'igihe kirekire ultra-downhokeress optique yunvikana Sisitemu, Abanyeshuri ba PorTmia bagaragaza ko ikoranabuhanga rya laser, cyane cyane muri Amerika. Metero). Ibyiza byo gukemura Hafi (Milimetero-Urwego) hamwe no kwiyumvisha byinshi (kugeza kuri -100 dbm) yabaye imwe mu ikoranabuhanga rikoreshwa mu gupima fibre ya optique no mu ikoranabuhanga. Intangiriro yubuhanga bwikoranabuhanga ni ugukoresha Inkomoko ya Tayirika kugirango igere kuri Feokel Freening Fink, nuko imikorere ya laser isoko igena ibintu byingenzi nko kumenya intera, kumva no gukemura no gukemura no gukemura. Iyo ingingo yo kwerekana intera iri hafi yuburebure, ubukana bwibimenyetso byakubise bizagaragara cyane na coefficient τ / τc. Kuko nkomoko yoroheje ya Gaussian afite imiterere itangaje, kugirango habeho inshuro nyinshi inshuro zirenze 90%, uburebure bwurukundo Byongeye kandi, iterambere ryizindi porogaramu naryo rishyiraho ingingo nyinshi kubijyanye no kunesha isoko. Kurugero, muri sisitemu ya optique ya fibre ya fibre, umurongo wamasoko yoroheje agena urusaku rwa sisitemu kandi agena kandi ibimenyetso byibuze byatoranijwe bya sisitemu. Muri Brillouin Igihe cya Oppotin Cyigaragaza (botdr), gukemura igipimo cyubushyuhe no guhangayika bigenwa ahanini nuwahuye ninkomoko yumucyo. Muri regonator fibre optic gyro, ubutwari bwumucyo wumucyo bushobora kwiyongera bugabanya ubugari bwumucyo, bityo bigatuma ubugari bwuzuye bwuzuyemo, kandi bukagabanya ubugari bwa renator, kandi bukagabanya ubugari bwumukaruye, kandi bukagabanya ubugari bwa renator, kandi bukagabanya ubugari bwumukaruye, kandi bukagabanya ubugari bwa renator, kandi bukagabanya ubugari bwumukaruye, kandi bukagabanya ubugari bwa renator, kandi bukagabanya ubugari bwumukarurwa, kandi bukagabanya ubugari bwumukarurwa, kandi bukagabanya ubugari bwa renator, kandi bukagabanya ubugari bwumukarurwa, kandi bukagabanya ubugari bwa renator, kandi bukagabanya ubugari bwumukaruye, kandi bukagabanya ubugari bwumukarurwa, kandi bukagabanya ubugari bwa renator, kandi bukagabanya ubugari bwa fibre optic gyro.
1.2 Ibisabwa byo guhanagura Lasee
Uburebure bumwe bwo guhanagura laser ifite uburebure bworoshye bwo guhuza imikorere, burashobora gusimbuza ibisohoka byinshi bihagaze, bigabanya ikiguzi cyo kubaka sisitemu, ni igice cyingenzi cya fibre nziza. Kurugero, muri fibre ya fibre nziza, ubwoko butandukanye bwa gaze ifite impinga itandukanye. Kugirango ukemure imikorere yoroheje mugihe gaze ihagije kandi igagera ku mikorere yo hejuru, birakenewe guhuza uburebure bwa port ihinduranya hamwe nintoki za molekile ya gaze. Ubwoko bwa gaze bushobora kugaragara mubyukuri bigenwa nuburakari bwinkomoko yo kumva. Kubwibyo, laserw onrowdth ya tarrow ifite imikorere ihamye yo gutunganya imikorere ifite guhinduka cyane muri sisitemu yo kumva. Kurugero, muri sisitemu imwe yo gukwirakwiza sisitemu ya fibre ishingiye kuri domarique yo kumenyana, uwakozeho gukubitwa byihuse, kandi umuvuduko wanyuma wibimenyetso bya laser bisabwa, kandi umuvuduko wo guhobera usabwa, kandi umuvuduko wa firpe usabwa niwo ugera kuri 10 PM / μs. Byongeye kandi, uburebure bwumuyaga butunganijwe na trirow conserwedth laser irashobora kandi gukoreshwa cyane muri Lidar, Laser Restal yunvise hamwe nisesengura ryinshi ryibisobanuro. Kugirango wuzuze ibisabwa byimikorere minini yimikorere ya Taning, humanye umuvuduko wuburebure bwa fibre na ultra-idasohotse ibisohoka inshuro nimbaraga.
1.3 Icyifuzo cya White Laser Inkomoko
Mu murima wa optique nziza, urumuri rurerure rwo hejuru rwa laser afite akamaro gakomeye kugirango runoze imikorere ya sisitemu. Ubwiza bwagutse bwo gukwirakwiza umucyo wera Kurugero, mugihe ukoresheje imashini ya fibre (fbg) kubaka umuyoboro wa sensor, gusesengura spectral cyangwa guhuza uburyo bwo kuyungurura uburyo bukoreshwa muburyo bwo kwaguka. Abambere bakoresheje ibintu kugirango basuzume buriwese fbg resonant yuburebure bwumuyoboro. Iheruka ikoresha Akayunguruzo kugirango ukurikirane no guhinduranya fbg mubyuka, byombi bisaba urumuri rubande mugutanga urumuri rwinshi kuri fbg. Kuberako buri rusobe rwa FBG ruzagira igihombo runaka cyo kwinjiza, kandi gifite umurongo urenga 0.1 nm, icyarimwe ibyari byinshi bya fbg bisaba isoko yo mugari ifite imbaraga nyinshi nimbaraga nyinshi. Kurugero, mugihe ukoresheje igihe kirekire gisiga fibre (lpfg) kwiyumva, kubera ko umurongo wumutwe wintoki umwe uri murwego rwa 10 nm, ihuriro ryinshi ryitarugero risabwa kugirango riranga neza ibiranga imiterere yabyo. By'umwihariko, gufata fibre ya fibre (acoustic) byubatswe no gukoresha ibintu bya Acousto-optique birashobora kugera ku buryo bwo guhuza umurongo wa resonant kugera kuri 1000 nm hakoreshejwe imirongo y'amashanyarazi. Kubwibyo, gupima dinabike hamwe nukuri kuri ultra-ubugari bwimiterere yibasiye inkuta zikomeye zamabatsi yibintu byinshi. Mu buryo nk'ubwo, mu myaka yashize, gufata fibre ya fibre nabyo byakoreshwaga cyane mu murima wuzuye. Kubera ibihome byayo-peak biranga, intera yo gukwirakwiza ibirambara irashobora kugera kuri 40 nm. Uburyo bwacyo busanzwe bugereranya kugenda ugereranije hagati yimpinga nyinshi, birakenewe rero gupima spectrum yacyo burundu. Inkomoko n'imbaraga zamasoko yubunini asabwa kugirango abe hejuru.
2. Imiterere yubushakashatsi murugo no mumahanga
2.1 Intara ya Trigorwdth Laser Inkomoko
2.1.1 Ikadiri ya semicondudth yakwirakwijwe ibitekerezo bya laser
Muri 2006, cliche et al. yagabanije igipimo cya MHZ ya semiconductorDFB Laser. Muri 2011, kesler et al. yakoresheje ubushyuhe buke kandi butuje kuri kristu ya kirisiti yahujwe nibitekerezo bifatika kugirango ubone ultra-griw orrow onerwedth laser ibisohoka kuri 40 MHz; Muri 2013, peng et al yabonye semiconductor laser laser ibisohoka hamwe na 15 KHZ ukoresheje uburyo bwo hanze Fabry-perot (FP) Guhindura. Uburyo bwo gutanga amasoko yakoresheje cyane cyane Pond-Drever-gahunda yo kugabanuka kwa porotse kugirango bakore inkomoko ya laser igabanuka. Muri 2010, Bernharddi et al. Yabyaye cm 1 ya erbium-dod fbg fb of the substrate ya silicon kugirango ibone laser bisohoka hamwe nubugari bwumurongo ugera kuri 1.7 khz. Muri uwo mwaka, Liang et al. yakoresheje ibitekerezo byo kwinjiza rayleigh ya gari ya rayleigh yashyizwe kumurongo-q rocho yumurongo wa Semiconductor ya Semiconductor ya Semiconductor ya Semiconductor ya Semiconductor ya Semiconductor ya Semiconductor.
Igishushanyo 1 (a) Igishushanyo cya Semiconductor Laser Claser Consionth Gukuramo bishingiye ku kwinjiza Rayleigh Gukwirakwiza Ububiko bwo hanze
.
.
2.1.2 harrow onerwedth fibre laser
Kuri lobr yo muri fibre fibre, umuyoboro muto wa laser usohoka muburyo bumwe bumaze kuboneka mugugabanya uburebure bwa renator no kongera uburyo bwa bureruditudinal intera. Muri 2004, Spiegelberg et al. yabonye uburyo bumwe burebire bugufi umurongo wa laser bisohoka hamwe na 1 khz ukoresheje uburyo buke bwa dbr. Muri 2007, Shen et al. yakoresheje cm 2 ya silicon ya silicon yo kwandika fbg kuri fibre ya bi-ge, kandi iyihangana na fibre ikora kugirango ikore umwobo uringaniye, bigatuma laser isohoka umurongo uri munsi ya 1 khz. Muri 2010, yang et al. yakoresheje urugendo rwa 2cm ibikorwa bigufi byahujwe na fbrolwaband fbg Akayunguruzo kugirango ubone uburyo bumwe burebire bwa laser Muri 2014, itsinda ryakoresheje umwobo ngufi (imiterere mibi ya resonator) yahujwe na fbg-fp filteri ibisohoka hamwe nubugari bwa metero 3. Muri 2012, Cai et al. yakoresheje imiterere ya metero 1.4cm kugirango ibone laser laser ibisohoka hamwe nibisohoka hejuru ya mw, uburebure bwa 154.3 nm, nubugari bwumurongo wa 4.1 khz. Muri 2013, Meng et al. Byakoreshejwe Gukwirakwiza fibre-dosiye ya erbium hamwe nimpeta zikiri ntoya zibikoresho byo kuringaniza kugirango ubone uburyo burebure bwo kuzigama, urusaku rwinshi rwa laser laser Muri 2015, itsinda ryakoresheje umwobo ugizwe na fibre ya cm erbium 45 ya crillouin yunguka igishushanyo mbonera cyo kubona urwego ruto na karrow onerwedth laser laser.
Igishushanyo cya 2 (a) Igishushanyo mbonera cya SLC fibre ya slc;
(b) imirongo yikimenyetso cya heterodyne yapimwe na 97,6 km ya fibre
Igihe cyo kohereza: Nov-20-2023