Ka'idar sanyaya Laser da aikace-aikacen sa zuwa atom masu sanyi
A cikin ilimin kimiyyar atom mai sanyi, aikin gwaji da yawa yana buƙatar sarrafa barbashi (daure atom ɗin ionic, kamar agogon atomic), rage su, da haɓaka daidaiton aunawa.Tare da haɓaka fasahar Laser, Laser sanyaya ya kuma fara amfani da ko'ina a cikin sanyi atom.
A ma'aunin atomic, ainihin zafin jiki shine saurin da barbashi ke motsawa.Laser sanyaya shi ne amfani da photons da atoms don musayar lokaci, ta haka ne sanyaya atom.Misali, idan kwayar zarra tana da saurin gaba, sannan ya sha photon mai tashi da ke tafiya ta wata hanya, to saurinsa zai ragu.Wannan kamar kwallo ne da ke jujjuya gaba a kan ciyawa, idan ba wasu dakarun suka tura ta ba, za ta tsaya saboda “juriya” da aka samu ta hanyar cudanya da ciyawa.
Wannan shine Laser sanyaya na atom, kuma tsari ne da sake zagayowar.Kuma saboda wannan zagayowar ne atom ɗin ke ci gaba da yin sanyi.
A cikin wannan, mafi sauƙin sanyaya shine amfani da tasirin Doppler.
Duk da haka, ba duk kwayoyin zarra za su iya sanyaya ta hanyar lasers ba, kuma dole ne a sami "rikici na cyclic" tsakanin matakan atomic don cimma wannan.Ta hanyar sauye-sauye na cyclic kawai za a iya samun sanyaya kuma a ci gaba da ci gaba.
A halin yanzu, saboda alkali karfe atom (kamar Na) yana da electron guda ɗaya a cikin Layer na waje, kuma electrons guda biyu a saman Layer na alkali earth group (irin su Sr) ana iya ɗaukar su gaba ɗaya, makamashi. Matakan wadannan kwayoyin halitta guda biyu suna da sauki sosai, kuma yana da sauki a cimma “sauyi na cyclic”, don haka atom din da mutane ke sanyaya su a yanzu galibinsu ne masu saukin atom na karfen alkali ko alkali earth atom.
Ka'idar sanyaya Laser da aikace-aikacen sa zuwa atom masu sanyi
Lokacin aikawa: Juni-25-2023