Gabatarwa zuwa saman rami na tsaye emitting semiconductor Laser (VCSEL)

Gabatarwa zuwa saman kogon tsaye yana fitarwasemiconductor Laser(VCSEL)
An ɓullo da Laser na tsaye na waje mai fitar da haske a tsakiyar 1990s don shawo kan wata babbar matsala da ta addabi ci gaban laser semiconductor na al'ada: yadda ake samar da kayan aikin laser mai ƙarfi tare da babban ingancin katako a cikin ainihin yanayin juyawa.
Laser mai fitar da kogon waje a tsaye (Vecsels), kuma aka sani dasemiconductor disc Laser(SDL), sabon memba ne na dangin Laser. Yana iya zana watsi da tsayin daka ta hanyar canza kayan abun da ke ciki da kauri na jimla da kyau a cikin matsakaicin riba na semiconductor, kuma haɗe tare da mitar intracavity ninki biyu na iya rufe kewayon tsayi mai nisa daga ultraviolet zuwa infrared mai nisa, samun babban fitarwar wutar lantarki yayin da yake riƙe ƙaramin bambance-bambancen Angle madauwari mai ma'ana. Laser resonator yana kunshe da tsarin DBR na kasa na guntun riba da madubi na haɗin kai na waje. Wannan keɓantaccen tsarin resonator na waje yana ba da damar shigar da abubuwan gani a cikin rami don ayyuka kamar ninki biyu, bambancin mita, da kulle yanayin, yana mai da VECSEL manufa.tushen laserdon aikace-aikace kama daga biophotonics, spectroscopy,maganin laser, da kuma tsinkayar laser.
A resonator na VC-surface emitting semiconductor Laser ne perpendicular zuwa jirgin sama inda aiki yankin ne located, da kuma fitarwa haske ne perpendicular zuwa jirgin na aiki yankin, kamar yadda aka nuna a cikin Figure.VCSEL yana da musamman abũbuwan amfãni, kamar kananan size, high mita, mai kyau katako ingancin, babban rami surface lalacewa kofa, kuma in mun gwada da sauki samar da tsari. Yana nuna kyakkyawan aiki a cikin aikace-aikacen nunin laser, sadarwa na gani da agogon gani. Duk da haka, VCsels ba za su iya samun laser mai ƙarfi sama da matakin watt ba, don haka ba za a iya amfani da su a cikin filayen da ke da buƙatun wutar lantarki ba.

Laser resonator na VCSEL ya ƙunshi wani rarraba Bragg reflector (DBR) wanda ya ƙunshi Multi-Layer epitaxial tsarin na semiconductor abu a kan duka babba da ƙananan ɓangarorin yankin mai aiki, wanda ya bambanta sosai daLaserresonator wanda ya ƙunshi jirgin sama mai tsagewa a cikin EEL. Jagoran resonator na gani na VCSEL yana tsaye zuwa saman guntu, fitarwar Laser shima daidai yake da saman guntu, kuma tunanin bangarorin biyu na DBR ya fi na EEL mafita jirgin sama.
Tsawon Laser resonator na VCSEL gabaɗaya 'yan microns ne, wanda ya fi na milimita resonator na EEL, kuma riba ta hanya ɗaya da aka samu ta hanyar murɗawar filin gani a cikin rami yana da ƙasa. Ko da yake ana iya cimma ainihin fitowar yanayin juzu'i, ƙarfin fitarwa zai iya kaiwa milwatts da yawa kawai. Bayanin ɓangaren giciye na katakon laser fitarwa na VCSEL madauwari ne, kuma kusurwar bambance-bambancen ya fi ƙanƙanta fiye da na katakon Laser mai fitar da gefen. Don cimma babban fitowar wutar lantarki na VCSEL, ya zama dole don haɓaka yankin mai haske don samar da ƙarin riba, kuma haɓakar yankin mai haske zai haifar da fitarwar laser ya zama fitarwa mai yawa. A lokaci guda, yana da wahala a cimma allurar riga-kafi a halin yanzu a cikin babban yanki mai haske, kuma allurar da ba ta dace ba za ta ƙara haɓaka haɓakar zafi na sharar gida.A takaice, VCSEL na iya fitar da ainihin yanayin madauwari mai ma'ana ta hanyar ƙirar tsari mai ma'ana, amma ƙarfin fitarwa yana da ƙasa lokacin da fitarwa ta kasance yanayin guda ɗaya.Saboda haka, VCsels da yawa galibi ana haɗa su cikin yanayin fitarwa.