Ib tug neeg Asmeskas cov pab pawg tau thov txoj kev tshiab rau tuning microdisk lasers

Ib pab neeg ua haujlwm hauv Harvard Tsev Kawm Ntawv Kho Mob

(Cov zis ntawm MicroDis Laser tuaj yeem hloov kho los ntawm PEC Etching txoj kev)

Hauv liaj teb ntawmnanophotonicsthiab biomedicine, microdisklasersthiab nanodisk lasers tau cog lusQhov rooj los teeb tsathiab probes. Hauv ob peb daim ntawv thov xws li on-chot photonic kev sib txuas lus, thiab quaer rau kev txiav txim siab wavelength thiab ultra-nqaim band qhov tseeb. Txawm li cas los xij, nws tseem nyuaj rau tsim microdisk thiab nanodisk lasers ntawm qhov kev sib tw loj heev ntawm cov nplai loj. Cov txheej txheem Nanofabration qhia txog kev sib tw ntawm cov kws tshawb fawb Laser ntawm Harvard Medical School thiab Massachusetts Cov Tsev Kho Mob Lub Tsev Kho Mob Lub Tsev Kho Mob Lub Tsev Kho MobOptoelectronic tshuajtau tsim kho qhov kev tawm tswv yim tshiab (PEC) Etching txheej txheem uas pab kom kho kom zoo rau lub laser waveler nrog subnanometer qhov tseeb. Txoj haujlwm tau luam tawm nyob rau hauv phau ntawv Journial AdmonS Admonics.

Yees duab etching
Raws li cov lus tshaj tawm, pab pawg no ua rau kev tsim cov micro-disk lasers thiab nanodisk laser arrays nrog meej meej meej, tau npaj siab tawm wavourths. Tus yuam sij rau qhov kev sib tsoo no yog kev siv pec etching, uas muab txoj hauv kev zoo thiab nkag mus rau txoj kev zoo nkauj ntawm microdisc laser. Nyob rau hauv cov txiaj ntsig saum toj no, pab pawg tau ntse tau txais indium gallium arsenide phosphatic duab microRAID nrog Silica rau ntawm cov qauv xov tooj hauv Inium. Lawv mam li saib lub laser nthwv dej ntawm cov microdisks precisely rau cov nqi txiav txim los ntawm kev ua photochemical etching nyob rau hauv lub dilutic acid.
Lawv tseem tshawb nrhiav cov txheej txheem thiab cov siv hluav taws xob ntawm cov duab yees duab (PEC) Etchings. Thaum kawg, lawv pauv lub wavelength-tuned microdisk array mus rau cov polydimetylsiloxane substrate los tsim laser aner nrog sib txawv laser vavel. Lub resulting microdisk qhia tau tias cov ultra-dav bandwidth ntawm laser emisser, nrog tuslaserNtawm kem tsawg dua 0.6 nm thiab cov cais tawm tsawg dua 1.5 nm.

Qhib lub qhov rooj rau kev siv biomedical
Qhov kev tshwm sim no qhib lub qhov rooj mus rau ntau cov ntawv thov nanophotonics thiab kev siv biomedical. Piv txwv li, sawv ntsug microdisk lasers tuaj yeem ua cov cim qhia txog kev ua haujlwm tshwj xeeb hauv kev ua haujlwm tshwj xeeb hauv kev ua yeeb yam tam sim no siv cov pa roj biomarkers qub, xws Raws li cov organic fluorophores, Quantum Dots, thiab fluorescent beads, uas muaj dav emission Litwidths. Yog li, tsuas yog ob peb hom lus tshwj xeeb tuaj yeem sau npe rau tib lub sijhawm. Nyob rau hauv kev sib piv, ultra-nqaim band lub teeb pom kev ntawm microdis laser yuav muaj peev xwm txheeb xyuas ntau lub xov tooj ntawm tib lub sijhawm.
Pab neeg sim thiab ua tiav pom tau meej microDark licks li biomarkers, siv rau daim ntawv lo cai kev coj noj coj ua miscarchel ib txwm mcf10a. With their ultra-wideband emission, these lasers could potentially revolutionize biosensing, using proven biomedical and optical techniques such as cytodynamic imaging, flow cytometry, and multi-omics analysis. Cov thev naus laus zis raws li pec etching cim ib qho kev ua ntej loj hauv microdisk lasers. Cov kev ntsuas ntawm cov txheej txheem, nrog rau nws cov subnanometer precision, qhib cov cuab yeej tshiab, nrog rau lub barcodes rau cov neeg muaj cov xov tooj tshwj xeeb thiab tshuaj ntsuam molecules.