Bayanin babban ikosemiconductor Lasercigaba kashi na daya
Kamar yadda inganci da iko ke ci gaba da haɓaka, diodes laser (direban laser diodes) za ta ci gaba da maye gurbin fasahohin gargajiya, ta yadda za su canza yadda ake yin abubuwa da ba da damar haɓaka sabbin abubuwa.Fahimtar mahimman abubuwan haɓakawa a cikin lasers ɗin semiconductor mai ƙarfi shima yana iyakance.An fara nuna canjin electrons zuwa lasers ta hanyar semiconductor a cikin 1962, kuma ci gaba iri-iri iri-iri sun biyo baya waɗanda suka haifar da babban ci gaba a cikin jujjuyawar electrons zuwa laser mai haɓakawa.Waɗannan ci gaban sun goyi bayan mahimman aikace-aikace daga ajiya na gani zuwa hanyar sadarwar gani zuwa fa'idodin masana'antu da yawa.
Yin bitar waɗannan ci gaban da ci gaban da suka samu yana nuna yuwuwar yin tasiri mai girma da yaɗuwa a fagage da dama na tattalin arziƙin.A gaskiya ma, tare da ci gaba da haɓaka na'urorin lantarki masu ƙarfin lantarki, filin aikace-aikacensa zai hanzarta fadada, kuma zai yi tasiri mai zurfi a kan ci gaban tattalin arziki.
Hoto 1: Kwatankwacin hasken haske da ka'idar Moore na manyan lasers semiconductor
Diode-pumped m-state Laser dafiber Laser
Ci gaba a cikin manyan na'urori masu ƙarfi na lantarki sun kuma haifar da haɓaka fasahar laser na ƙasa, inda ake amfani da laser semiconductor yawanci don motsa lu'ulu'u (famfo) doped lu'ulu'u (diode-pumped solid-state lasers) ko doped fibers (fiber lasers).
Ko da yake na'urorin na'ura na semiconductor suna ba da ingantaccen makamashi, ƙanana, da ƙarancin farashi, suna da maƙasudin maɓalli guda biyu: ba sa adana makamashi kuma haskensu yana da iyaka.Ainihin, aikace-aikace da yawa suna buƙatar lasers masu amfani guda biyu;Ana amfani da ɗaya don mai da wutar lantarki zuwa na'urar laser, ɗayan kuma ana amfani da shi don haɓaka hasken wannan hayaƙi.
Diode-pumped m-state Laser.
A cikin ƙarshen 1980s, amfani da na'urorin lantarki na semiconductor don fitar da laser mai ƙarfi-jihar ya fara samun sha'awar kasuwanci mai mahimmanci.Diode-pumped solid-state lasers (DPSSL) da cika fuska rage girma da rikitacciyar thermal management tsarin (na farko sake zagayowar coolers) da kuma samun kayayyaki, wanda tarihi sun yi amfani da baka fitulu don famfo m-jihar lu'ulu'u.
An zaɓi tsawon zangon laser semiconductor dangane da juzu'i na halayen shaye-shaye tare da matsakaicin riba mai ƙarfi na Laser-jihar, wanda zai iya rage nauyin zafi sosai idan aka kwatanta da fitaccen fitilun fitilun arc.Yin la'akari da shaharar laser neodymium-doped laser wanda ke fitar da tsayin 1064nm, laser semiconductor na 808nm ya zama mafi kyawun samfura a samar da Laser na semiconductor sama da shekaru 20.
Ingantacciyar aikin famfo diode na ƙarni na biyu ya yiwu ta hanyar haɓakar haske na lasers semiconductor multi-mode da kuma ikon daidaita kunkuntar layin hayaƙi ta amfani da Bragg gratings (VBGS) a tsakiyar 2000s.Siffofin shaye-shaye masu rauni da kunkuntar kusan 880nm sun haifar da sha'awa mai girma ga barga mai haske mai haske.Wadannan lasers mafi girma suna ba da damar yin famfo neodymium kai tsaye a matakin laser na sama na 4F3/2, yana rage ƙarancin ƙima kuma ta haka inganta haɓakar yanayin haɓakawa a matsakaicin matsakaicin ƙarfi, wanda in ba haka ba za a iyakance shi ta ruwan tabarau na thermal.
A farkon shekaru goma na biyu na wannan karni, muna ganin babban ƙarfin haɓakawa a cikin lasers na 1064nm mai jujjuyawa guda ɗaya, da kuma na'urorin jujjuyawar mitar su da ke aiki a cikin bayyane da tsayin raƙuman ultraviolet.Idan aka ba da tsawon rayuwar makamashi na sama na Nd: YAG da Nd: YVO4, waɗannan ayyukan DPSSL Q-switched suna ba da ƙarfin bugun jini mai ƙarfi da ƙarfin kololuwa, yana mai da su manufa don sarrafa kayan abu da ingantaccen aikace-aikacen micromachining.
Lokacin aikawa: Nuwamba-06-2023