A yau, za mu gabatar da "lambar monochromatic" Laser zuwa matsananci - kunkuntar lastwidth Laser. Fitowar ta ya cika gibin aikace-aikacen aikace-aikacen Laser, kuma a cikin 'yan shekarun nan, shigen sadarwar da aka yi da wasu filayen, wanda shine "manufa, wacce ba za a iya kammalawa ba kawai ta inganta ikon laser.
Mene ne kunkuntar Lerrywidth Laser?
Kalmar "layi-layi" yana nufin layin da aka gabatar a cikin yankin laser a cikin yankin sau-kashi, wanda yawanci aka ƙididdige frit of Spectrum (FWHM). Linwidth ne ya shafa ta hanyar radiation na kwarai da zarra ko ions, amo na yau da kullun, rawar jiki na maimaitawa, Jitter Jitter da sauran dalilai na waje. Karamin darajar layin nisa, mafi girma tsarkakakken m bakan, wato, mafi kyawun monochromaticity na laser. Lasers tare da irin waɗannan halayen yawanci suna da ƙananan lokaci ko hayaniya da ƙananan hayaniya kaɗan. A lokaci guda, ƙaramin yanki na layi na Laser, mafi karfi gungumen bincike, wanda aka bayyana shi azaman tsallakewar wuri mai tsayi.
Gane da aikace-aikace na kunkuntar lerwidth Laser
Limited ta hanyar samun damar yin amfani da kayan aiki na Laser, kusan ba zai yiwu ba a kai tsaye sanin abin da kunkuntar layin da kansa. Don gane aikin kunkuntar layin da aka yi, yana da muhimmanci a yi amfani da matakai, grating da sauran nau'ikan kayan kwalliya, saboda haka akwai 'yan wasan da ke cikin gida, saboda haka nan gaba daya oscillation oscillation ko ma ka zabi oscillation ko ma da wani abu mai nisa daya ko ma da na tsaye. A cikin wannan tsari, sau da yawa yana da sau da yawa dole don sarrafa tasirin amo akan fitowar laser, kuma rage fadakarwar layin da aka haifar da yanayin yanayin zafin da aka haifar; A lokaci guda, ana iya haɗe shi tare da bincike game da lokaci ko kuma amo daukan hayaniyar amo don fahimtar ƙirar amo, don cimma m proving na kunkuntar lererwidth Laser.
Bari mu duba yadda ake ganin kunkuntar layinkridth na aiki daban-daban na layu.
Lasican lacerctor suna da fa'idodi na m girman, babban aiki, tsawon rai da fa'idodin tattalin arziki.
Fabaki-Perot (FP) mai tsayar da kayan gani wanda aka yi amfani da shi a gargajiyaTemiconductorGabaɗaya oscillate a cikin yanayin tsaye, kuma faɗuwar layin da yawa yana da faɗi wuri ɗaya, saboda haka ya zama dole don ƙara yawan gani don samun fitowar layin faɗi.
Rarraba bayani (DBB) da rarraba BRAG Na'urar Bragg (DBR) sune ra'ayoyin cututtukan ciki guda biyu na ciki. Saboda ƙananan grating farar da kuma kyakkyawan igiyar ruwa mai kyau, yana da sauƙi don samun tsayayyen layin ƙwanƙwasawa guda-foda. Babban bambanci tsakanin tsare-tsaren biyu shine matsayin grating: Tsarin DFB yawanci yana rarraba tsarin grog, kuma yankin da aka samu a cikin ƙarshen ƙasa. Bugu da kari, DFB LASER sukan yi amfani da su saka combedded tare da low index bambanci da karancin yin magana. Drbr ows suna amfani da saman gratings tare da bayyananniyar magana mai ban mamaki da kuma babban magana. Dukkanin tsare-tsaren biyu suna da kewayon kewayon fanni na kyauta kuma suna iya yin tunowa ba tare da yanayin tsalle-tsalle a cikin kewayon 'nanepers ba, inda Drbr Laser ke da fadi fange fiye daDFB Laser. Bugu da kari, karfin hadadden na waje, wanda ke amfani da abubuwan kwaikwayo na fitarwa don amfani da hasken Lasiconductor na Semiconductor na Semiconductor.
(2) lasters fiber
Fiber Lacers suna da babban yanayin canjinawa, inganci mai inganci da inganci mai inganci, waɗanda suke da batutuwan bincike mai zafi a cikin filin laser. A cikin mahallin zamani, fiber na fiber suna da dacewa mai kyau tare da tsarin sadarwa na fiber na yanzu a kasuwa. Fim ɗin mai sauƙin kuɗi guda ɗaya tare da fa'idodin kunkuntar layin da aka faɗi, low hoise da kyakkyawan yanayi ya zama ɗayan mahimman ayyukan ci gaba.
Matsayin yanayin aiki guda ɗaya shine tushen fiber Laser don cimma ruwa mai kunkuntar fiber, yawanci ana iya raba shi zuwa nau'in DFB, nau'in DrB. Daga cikin su, ka'idodin aikin DFB da Fita-lemu mai kama da na DFB da DBR Semiconductor Laser.
Kamar yadda aka nuna a hoto 1, DFB Fiber Laser shine a rubuta Bragg Bragg grating cikin fiber. Saboda saukarwar Oscellator yana shafar lokacin fiber ɗin, ana iya zaba da yanayin da ke tsaye ta hanyar rarraba bayanan da grating. Laser maimaitawa Dr Laserory yawanci ana shirya shi da biyu daga fiber Bribggggg da aka zaɓa ta hanyar kunar kide da ƙananan faɗin glatging grating. Koyaya, saboda dogon tsayayyen tsari da kuma rashin nuna bambancin nuna bambanci, mai wuya a iya yin aiki mai kyau a cikin yanayin nan da daɗewa.
Hoto na 1, tsarin layi biyu na mita guda biyufiber laiyya
Lokaci: Nuwamba-27-2023