1. Yawan tsawan tsarin ganima
Tsawon tsinkaye mai mahimmanci shine mai nuna alamar tsarin gani, don manufar mai kyau, mun fi dacewa ko kuma ku sami fahimta, muna yin hankali anan.
Matsayin mai da hankali na tsarin hangen nesa, an bayyana shi a matsayin nesa daga cibiyar hangen nesa na tsarin hangen nesa na farko, ko rarraba haske ko rarrabuwar haske ko rarrabuwar haske ko rarrabuwar nauyi a cikin tsarin ganima. Muna amfani da digram na gaba don misalta wannan ra'ayi.
A cikin adadi na sama, abin da ya faru na gyada daga ƙarshen hagu, bayan wucewa cikin tsarin tsallakewa, da kuma saman filin da ya dace, da kuma saman filin da ya dace da yanayin P2, wanda ake kira shi Babban batun (ko kuma wasan kwaikwayo na gani), nisa tsakanin babban batun da hoton da ke da hankali, shi ne abin da muke yawan kira tsayin daka, cikakken suna shine ingantaccen tsayin daka.
Hakanan za'a iya ganinsa daga adadi da nisa daga ƙarshen yanayin tsarin ganima ga mai da hankali f 'Hoto ana kiransa da mai da hankali (BFL). A daidai, idan katako na daya shine abin da ya faru ne daga gefen dama, akwai kuma manufofin ingantaccen tsayin daka da tsayi gaba (FFL).
2. Hanyoyin gwajin mai tsayi
A aikace, akwai hanyoyi da yawa waɗanda za a iya amfani da su don gwada tsinkaye mai haske na tsarin kaikani. Dangane da ka'idodi daban-daban, hanyoyin da ke da hankali tsayin daka za'a iya raba su zuwa rukuni uku. Kashi na farko ya dogara da matsayin jirgin saman hoto, na biyu yana amfani da dangantakar da ke tsakanin tsayin tsayin daka don samun darajar tsararren haske.
A cikin wannan ɓangaren, zamu gabatar da hanyoyin da aka saba amfani da su don gwada tsayin daka na tonashin ::
2.1Chanyar Omaltator
Ka'idar amfani da Collimator don gwada tsayin daka na tsari na tsari shine kamar yadda aka nuna a cikin zane a ƙasa:
A cikin adadi, an sanya tsarin gwajin a cikin mayar da martani na Collimator. Tsawon y na tsarin gwaji da tsinkayen fcAn san 'na Collisat Bayan da layi daya itace fitar da Collaliatator da aka sanya shi da gwajin tsarin gani da kuma sanya tsinkayen tsarin da aka tsara a kan jirgin na yau da kullun. Tsawon tsinkayen tsarin hango tsari zai iya amfani da wannan tsari:
2.2 GaussianMethod
Wani adadi na tsarin Gaussibi don gwada tsayin daka na hangen tsaye tsarin an nuna a ƙasa:
A cikin adadi, gaban da bayan manyan sashen na gani na gwaji suna wakilta azaman p da p 'bi da bi, da nisa tsakanin filayen filaye biyu ne dP. A wannan hanyar, darajar dPan dauke shi da aka sani, ko darajar sa kadan ne kuma za'a iya watsi dashi. An sanya abu da kuma ana sanya abu a cikin hagu da dama na ƙare, da nisan tsakanin su an yi rikodin sau 4 da sau 4 da tsayi tsawon tsarin a ƙarƙashin gwaji a ƙarƙashin tsarin gwaji. Za'a iya sanya tsarin a ƙarƙashin gwaji a matsayi biyu, wanda aka nuna azaman matsayi 1 da matsayi na 2 bi da bi. Abu a hagu zai iya bayyana a sarari akan allon karbar. Nisa tsakanin waɗannan wurare guda biyu (dilloted kamar yadda D) za a iya auna. Dangane da dangantakar conjugate, zamu iya samun:
A waɗannan wurare biyu, ana yin rikodin abubuwan nesa kamar S1 da S2 bi da bi, sannan S2 - D. Za mu iya samun tsayin daka na hangen nesa kamar yadda ke ƙasa:
2.3Lhuta
Lensometer ya dace sosai don gwada dogon tsarin tsayin daka. Adadin tsarinsa kamar haka:
Da farko, ruwan tabarau a ƙarƙashin gwaji ba a sanya shi cikin hanyar taptical. A lura da manufa a hannun hagu ta hanyar ruwan tabarau na Collalit kuma ya zama daidaici Haske. Haske na layi daya ya mamaye ruwan tabarau mai daidaituwa tare da tsinkayen f2kuma yana samar da bayyananniyar hoto a rubutun jirgin saman hoto. Bayan hanya na gani ana amfani da shi, ana sanya ruwan tabarau a ƙarƙashin gwaji a cikin hanyar gani, da nisa tsakanin ruwan tabarau a ƙarƙashin gwaji da kuma ɗaukar ruwan tabarau2. A sakamakon haka, saboda aikin ruwan tabarau a ƙarƙashin gwaji, za a sake fasalin katako, yana haifar da canji a matsayin sabon hoto a matsayin sabon jirgin saman hoto a cikin zane. Nisa tsakanin sabon jirgin saman hoto da kuma hakkin ruwan tabarau a matsayin X. Dangane da dangantakar hoto-abu, tsawon mai laushi na ruwan tabarau a ƙarƙashin gwaji za'a iya infer kamar:
A aikace, ana amfani da lensomer da gaske a cikin saman ma'aunin ruwan tabarau, kuma yana da fa'idodin mafi sauƙin aiki da ingantacce daidai.
2.4Rilmin EFCKTER
Abbani Abbobi wata hanya ce don gwada tsayin daka na tona asiri na gani. Adadin tsarinsa kamar haka:
Sanya sarakuna biyu tare da tsaunuka daban-daban a abu farfajiya na gefen ruwan tabarau a ƙarƙashin gwaji, da kuma scalepplate 2. Matsakaicin sikelin yana y1 da y2. Nisa tsakanin sikelin biyu shine e, da kwana tsakanin layin saman mai mulki da ganima shine u. Scaleplated yana kwaikwayon ruwan tabarau mai haske tare da tsinkayen f. An shigar da microscope a ƙarshen hoton. Ta hanyar motsa matsayin microscope, an samo manyan hotuna na sikelin biyu. A wannan lokacin, nisa tsakanin microscope da kuma bayyane axis an nuna shi azaman y. Dangane da dangantakar kayan abu, zamu iya samun tsawon tsayi kamar:
2.5 Moire MireciHanya
Hanyar moiré na motsi zai yi amfani da saiti biyu na hukunce-hukuncen Ronchi a cikin layi daya haske katako. Ronchi hukuncin tsarin gurbi ne na ƙarfe chromium wanda aka ajiye a kan substrate mai canzawa, wanda aka saba amfani dashi don gwada aiwatar da tsarin taabi. Hanyar tana amfani da canjin a cikin Moiré Fringes da aka kafa ta gratings guda biyu don gwada tsinkayen hangen nesa na tsarin ganima tsarin. Tsarin zane na ka'ida kamar haka:
A cikin adadi da ke sama, abin da aka lura, bayan wucewa ta cikin collimator, ya zama katako ɗaya. A cikin hanyar gani, ba tare da ƙara lens da aka gwada da farko, tushen dutsen yana wucewa na D, samar da wani yanki na moiré fringes akan jirgin ruwa. Sannan, an sanya ruwan tabarau na gani a cikin hanyar gani. Asalin haske na asali, bayan gyaran ruwan tabarau, zai haifar da wani tsayin daka mai kyau. Ana iya samun radius ɗin curvatate na hasken wuta daga wannan dabara:
Yawancin lokaci ruwan tabarau a ƙarƙashin gwaji an sanya shi kusa da grating na farko, don haka darajar r a cikin na sama formu yayi dace da mai tsayi na ruwan tabarau. Amfanin wannan hanyar shine cewa zai iya gwada tsinkaye mai kyau da mara kyau tsarin.
2.6 EnticalFnazerAƙunsaMethod
Ka'idar amfani da hanyar taptical ta atomatik hanyar sarrafa na gani don gwada tsawon tsawon ruwan tabarau ana nuna shi a cikin adadi a ƙasa. Yana amfani da fitsen fiber don fitar da katako mai rarrabewa wanda ya wuce cikin ruwan tabarau don gwada shi sannan a madubi na jirgin sama. Hanyoyi guda uku a cikin adadi suna wakiltar yanayin fiber na gani a cikin abin da ya sa hankali, a waje, kuma a waje da mai da hankali. Ta hanyar matsawa da ruwan tabarau a ƙarƙashin gwaji da gaba, zaku iya samun matsayin ɗan zaren firmauka a mai da hankali. A wannan lokacin, katako na kanshi ne, da kuma bayan tunani da madubi na jirgin sama, yawancin kuzarin zai koma matsayin shugaban naber. Hanyar tana da sauki a cikin manufa da sauƙi don aiwatarwa.
3.Conccccccccccccccewa
Tsawon tsinkaye shine muhimmin sigogi na tsarin ganima. A cikin wannan labarin, muna cikakken bayanin manufar tsarin tsarin da kuma hanyoyin gwajin ta. Haɗe tare da zane mai zane, muna bayanin ma'anar tsayin daka, gami da tsinkayen hoto-gefen tsawon tsayi, da tsayi mai kyau. A aikace, akwai hanyoyi da yawa don gwada tsinkayen tsarin ganima. Wannan Labarin ya gabatar da ka'idodin gwajin na Collimator, hanyar Gausian Tsawon lokaci, hanyarta mai tsayi, da hanyar mawuyacin hanya, da kuma hanyar mawuyacin hanyar moistal. Na yi imani cewa ta hanyar karanta wannan labarin, zaku sami kyakkyawar fahimta game da sigogi tsawon tsayi a cikin tsarin kaikani.
Lokaci: Aug-09-2024
