Ikipe y'Abanyamerika itanga uburyo bushya bwo guhuza lazeri ya microdisk

Itsinda ry’ubushakashatsi rihuriweho n’ishuri ry’ubuvuzi rya Harvard (HMS) n’ibitaro bikuru bya MIT rivuga ko bageze ku guhuza umusaruro wa lazeri ya microdisk bakoresheje uburyo bwa PEC bwo gutema, bigatuma isoko rishya rya nanofotonike na biomedicine “bitanga icyizere.”

(Ibisohoka bya microdisk laser birashobora guhindurwa nuburyo bwa PEC bwo gutema)

Mu murima wananofotonikena biomedicine, microdisklaserina lazeri ya nanodisk yabaye ibyiringiroisoko yumucyona probe. Mubikorwa byinshi nko kuri chip-fotonike itumanaho, kuri chip bioimaging, sensibio ya biohimiki, hamwe no gutunganya amakuru ya kwantum foton, bakeneye kugera kumasoko ya laser muguhitamo uburebure bwumurongo hamwe na bande ya ultra-تار. Nubwo bimeze bityo ariko, biracyari ingorabahizi gukora microdisk na nanodisk ya lazeri yuburebure bwuzuye bwumurongo munini. Ibikorwa bya nanofabrica biriho ubu byerekana uburyo bwa diameter ya disiki, bigatuma bigora kubona uburebure bwumurongo mugutunganya no gutunganya umusaruro wa lazeri.Ubu, itsinda ryabashakashatsi bo mumashuri yubuvuzi ya Harvard hamwe n’ibitaro bikuru bya Massachusetts bya Wellman Centre yaUbuvuzi bwa Optoelectronicyateje imbere uburyo bushya bwo guhitamo optochemiki (PEC) ifasha guhuza neza uburebure bwa laser yumurambararo wa microdisk laser hamwe na subnanometero neza. Igikorwa cyasohotse mu kinyamakuru Advanced Photonics.

Kurya amafoto
Nk’uko amakuru abitangaza, uburyo bushya bwitsinda butuma habaho gukora lazeri ya micro-disiki hamwe na nanodisk laser laser hamwe nuburebure bwateganijwe bwateganijwe. Urufunguzo rwiyi ntambwe ni ugukoresha PEC etching, itanga inzira nziza kandi nini yo guhuza neza uburebure bwumuraba wa lazeri ya microdisc. Mubisubizo byavuzwe haruguru, itsinda ryabonye neza indium Gallium arsenide fosifatique microdisks itwikiriwe na silika kumiterere yinkingi ya indium fosifide. Bahise bahuza lazeri yumurambararo wa microdisque neza neza nagaciro kagenwe mugukora fotokomeque ya chimique mugisubizo kivanze cya acide sulfurike.
Bakoze kandi ubushakashatsi ku mikorere nimbaraga za fotokimike yihariye (PEC). Amaherezo, bimuye microdisk umurongo wa metero ndende kuri polydimethylsiloxane substrate kugirango babyare ibice byigenga, byitaruye bya laser hamwe nuburebure butandukanye bwa laser. Microdisk yavuyemo yerekana ultra-Broadband bandwidth ya laser yohereza, hamwe nalaserku nkingi iri munsi ya 0,6 nm nigice cyitaruye kiri munsi ya 1.5 nm.

Gufungura umuryango wibinyabuzima bikoreshwa
Igisubizo gifungura umuryango kubintu byinshi bishya bya nanofotonike hamwe na biomedical applications. Kurugero, lazeri ya microdisk yihagararaho irashobora gukora nka barcode ya fiziki-optique ya barcode ya biologiya itandukanye, igafasha kuranga ubwoko bwimikorere yihariye hamwe no kwibasira molekile zihariye mugusesengura kwa multiplex.Ubwoko bwubwoko bwihariye burakorwa hifashishijwe biomarkers zisanzwe, nkizo nka fluorophores organic, utudomo twa kwant, hamwe namasaro ya fluorescent, bifite imyuka yagutse. Kubwibyo, gusa ubwoko bwihariye bwakagari bushobora gushyirwaho icyarimwe. Ibinyuranyo, ultra-تار bandike yumucyo wohereza microdisk laser izashobora kumenya ubwoko bwimikorere icyarimwe.
Iri tsinda ryagerageje kandi ryerekana neza microdisk ya laser igizwe na biomarkers, iyikoresha kugirango yandike ingirabuzimafatizo zisanzwe zitwa MCF10A. Hamwe nogusohora kwinshi kwinshi kwinshi, izo lazeri zishobora guhindura biosensing, hakoreshejwe tekinoroji ya biomedical na optique nka amashusho ya cytodinamike, amashusho ya cytometrie, hamwe nisesengura ryinshi. Ikoranabuhanga rishingiye kuri PEC ryerekana iterambere ryinshi muri lazeri ya microdisk. Ubunini bwuburyo, kimwe nubusobanuro bwa subnanometero, burakingura uburyo bushya bwo gukoresha lazeri zitabarika zikoreshwa muri nanofotonike nibikoresho bya biomedical medicine, kimwe na barcode kubantu batuye selile na molekile zisesengura.