✷ Laser
Cikakken sunanta Hasken Ƙarawa ta Ƙarfafa Fitar Radiation.Wannan a zahiri yana nufin "ƙarfafa hasken-haske-haske".Madogarar haske ce ta wucin gadi tare da halaye daban-daban daga hasken halitta, wanda zai iya yada zuwa nesa mai nisa a madaidaiciyar layi kuma ana iya tattara shi a cikin ƙaramin yanki.
✷ Bambanci Tsakanin Laser da Hasken Halitta
1. monochromaticity
Hasken halitta ya ƙunshi kewayon tsayin raƙuman ruwa daga ultraviolet zuwa infrared.Tsawon tsayinsa ya bambanta.
Hasken halitta
Hasken Laser shine tsayin haske guda ɗaya, dukiya da ake kira monochromaticity.Amfanin monochromaticity shine cewa yana ƙara sassaucin ƙirar ƙira.
Laser
Fihirisar refractive haske ya bambanta dangane da tsawon zango.
Lokacin da haske na halitta ya wuce ta ruwan tabarau, yaduwa yana faruwa saboda nau'ikan tsayin raƙuman raƙuman ruwa da ke cikin.Wannan al'amari shi ake kira chromatic aberration.
Hasken Laser, a daya bangaren, tsayin daka ne na haske wanda kawai ke ja da baya a hanya daya.
Misali, yayin da ruwan tabarau na kamara yana buƙatar ƙirar da za ta gyara ga murdiya saboda launi, lasers kawai suna buƙatar ɗaukar wannan tsayin daka, don haka za a iya watsa katako ta nisa mai nisa, yana ba da damar ƙirar ƙira mai daidaita haske. a cikin karamin wuri.
2. Jagoranci
Jagoranci shine matakin da sauti ko haske ba zai iya yaduwa ba yayin da yake tafiya cikin sararin samaniya;mafi girma shugabanci yana nuna ƙarancin yaduwa.
Hasken halitta: Ya ƙunshi haske da ke bazuwa a wurare daban-daban, kuma don haɓaka jagora, ana buƙatar tsarin gani mai rikitarwa don cire haske a waje da hanyar gaba.
Laser:Hasken jagora ne mai girma, kuma yana da sauƙin ƙirƙira na'urorin gani don ba da damar laser yin tafiya a madaidaiciyar layi ba tare da yaduwa ba, ba da izinin watsa nisa mai nisa da sauransu.
3. Haɗin kai
Haɗin kai yana nuna matakin da haske ke ƙoƙarin tsoma baki tare da juna.Idan ana ɗaukar haske azaman raƙuman ruwa, mafi kusancin makada shine mafi girman haɗin kai.Misali, igiyoyin ruwa daban-daban a saman ruwa na iya haɓaka ko soke juna yayin da suka yi karo da juna, kuma kamar yadda wannan al'amari ya faru, yawancin raƙuman ruwa suna da rauni sosai.
Hasken halitta
Yanayin Laser, tsawon zango, da shugabanci iri ɗaya ne, kuma ana iya kiyaye igiyar igiyar ruwa mai ƙarfi, ta haka yana ba da damar watsa nisa mai nisa.
Kololuwar Laser da kwaruruka sun daidaita
Hasken da ya dace sosai, wanda ana iya watsa shi ta nisa mai nisa ba tare da yaduwa ba, yana da fa'idar cewa ana iya tattara shi cikin ƙananan tabo ta hanyar ruwan tabarau, kuma ana iya amfani da shi azaman haske mai girma ta hanyar watsa hasken da aka samar a wani wuri.
4. Yawan kuzari
Lasers suna da ingantacciyar monochromaticity, kai tsaye, da daidaituwa, kuma ana iya haɗa su cikin ƙananan tabo don samar da haske mai yawa na makamashi.Za a iya rage girman Laser zuwa kusa da iyakar hasken halitta wanda hasken halitta ba zai iya isa ba.(Iyakar wucewa: Yana nufin rashin iyawar jiki don mayar da hankali ga haske zuwa wani abu mafi ƙarami fiye da tsawon haske.)
Ta hanyar rage Laser zuwa ƙarami, za a iya ƙara ƙarfin haske (ƙarfin ƙarfin) har zuwa inda za a iya amfani da shi don yanke ta karfe.
Laser
✷ Ka'idar Laser Oscillation
1. Ka'idar samar da laser
Don samar da hasken laser, ana buƙatar atom ko kwayoyin da ake kira kafofin watsa labarai na laser.Matsakaicin Laser yana da kuzari na waje (mai farin ciki) don haka atom ɗin ya canza daga yanayin ƙasa mai ƙarancin kuzari zuwa yanayi mai tsananin kuzari.
Yanayin farin ciki shine yanayin da electrons a cikin zarra ke motsawa daga ciki zuwa harsashi na waje.
Bayan kwayar zarra ta rikide zuwa yanayin jin dadi, sai ya dawo kasa bayan wani lokaci (lokacin da ake dauka don dawowa daga yanayin jin dadi zuwa yanayin kasa ana kiransa fluorescence lifetime).A wannan lokacin makamashin da aka karɓa yana haskakawa a cikin nau'i na haske don komawa zuwa yanayin ƙasa (rashin kai tsaye).
Wannan hasken da ke haskakawa yana da takamaiman tsawon zango.Ana samar da Laser ta hanyar canza kwayoyin halitta zuwa yanayi mai farin ciki sannan kuma a fitar da hasken da ke fitowa don amfani da shi.
2. Ka'idar Amplified Laser
Atom ɗin da aka canza zuwa yanayin farin ciki na wani ɗan lokaci za su haskaka haske saboda raɗaɗi na lokaci-lokaci kuma su koma yanayin ƙasa.
Duk da haka, mafi ƙarfin hasken motsa jiki, yawan adadin kwayoyin halitta a cikin yanayin jin dadi zai karu, kuma hasken da ba a so ba zai karu, yana haifar da sabon abu na radiation mai ban sha'awa.
Radiyoyin da aka zugawa shine lamarin wanda, bayan faruwar hasken da ya faru na kwatsam ko ƙyalli na radiation zuwa zarra mai ban sha'awa, wannan hasken yana ba da zarra mai zumudi da kuzari don sanya hasken ya zama ƙarfin da ya dace.Bayan hasashe mai ban sha'awa, zarra mai ban sha'awa ya koma yanayinsa.Wannan radiyon da aka motsa shi ne ake amfani da shi don haɓaka lasers, kuma mafi yawan adadin atom ɗin a cikin yanayin jin daɗi, ana ci gaba da haifar da ƙarin kuzari, wanda ke ba da damar haɓaka hasken da sauri da fitar da shi azaman hasken laser.
✷ Gina Laser
Laser masana'antu suna da yawa kasafta zuwa 4 iri.
1. Semiconductor Laser: Laser da ke amfani da semiconductor tare da tsarin aiki mai aiki (Layer mai haske) azaman matsakaici.
2. Gas Laser: CO2 Laser amfani da CO2 gas a matsayin matsakaici da ake amfani da ko'ina.
3. Laser mai ƙarfi: Gabaɗaya lasers YAG da lasers YVO4, tare da YAG da YVO4 kafofin watsa labarai na crystalline.
4. Fiber Laser: ta yin amfani da fiber na gani a matsayin matsakaici.
✷ Game da Halayen Pulse da Tasirin Abubuwan Aiki
1. Bambance-bambance tsakanin YVO4 da fiber Laser
Babban bambance-bambance tsakanin laser na YVO4 da Laser fiber sune ƙarfin kololuwa da faɗin bugun jini.Ƙarfin kololuwa yana wakiltar ƙarfin haske, kuma faɗin bugun jini yana wakiltar tsawon lokacin haske.yVO4 yana da siffa ta sauƙi don samar da kololuwa masu tsayi da gajerun haske na haske, kuma fiber yana da halayen haɓaka ƙananan kololuwa da tsayin haske.Lokacin da Laser ya haskaka kayan, sakamakon aiki zai iya bambanta sosai dangane da bambancin bugun jini.
2. Tasiri akan kayan
Ƙwayoyin lantarki na YVO4 Laser suna haskaka kayan tare da babban haske na ɗan gajeren lokaci, ta yadda wuraren da ke da wuta na saman saman ya yi zafi da sauri sannan kuma suyi sanyi nan da nan.Ana sanyaya ɓangaren da ba shi da iska zuwa yanayin kumfa a cikin yanayin tafasa kuma yana ƙafe don samar da tambari mai zurfi.Rashin iska yana ƙarewa kafin a canza zafi, don haka akwai ƙananan tasirin zafi akan yankin da ke kewaye.
Ƙwayoyin ƙwayar fiber Laser, a gefe guda, suna haskaka ƙananan haske na tsawon lokaci.Zazzabi na kayan yana tashi a hankali kuma ya kasance ruwa ko ƙafe na dogon lokaci.Saboda haka, fiber Laser ya dace da zane-zane na baƙar fata inda adadin rubutun ya zama babba, ko kuma inda karfe ya kasance da zafi mai yawa da kuma oxidizes kuma yana buƙatar yin baki.
Lokacin aikawa: Oktoba-26-2023