Iqembu elihlangene lokucwaninga elivela eHarvard Medical School (HMS) kanye nesibhedlela i-MIT General Hospital lithi sebethole ukumiswa kokukhishwa kwe-microdisk laser besebenzisa indlela ye-pec etching, okwenza umthombo omusha we-nanophotonics kanye ne-biomedicine "."
(Ukukhishwa kwe-microdisk laser kungashintshwa yindlela ye-PEC Etching)
Emasimini enanophotonicskanye ne-biomedicine, i-microdiskamachwebafuthi ama-nanodisk lasers athetheleleImithombo ekhanyayofuthi kungenzeka. Kuzinhlelo zokusebenza eziningana ezifana nokuxhumana kwe-Photonic Chip, on-Chip Bioimaging, Ukucutshungulwa Kwemininingwane ye-Biochemical, kanye ne-Quantum Photon Information Process, badinga ukufezekisa ukunemba kwe-laser ekunqumeni ukunemba kweqembu kanye ne-Ultra-Narrow Band. Kodwa-ke, kuhlala kuyinselele ukukhiqiza ama-microdisk kanye nama-nanodisk ama-lasers ale wavelength eqondile ngezinga elikhulu. Izinqubo zamanje ze-nanofabrication zethula ukungahleliwe kobubanzi be-disc, okwenza kube nzima ukuthola i-wavelength ebekwe e-laser mass and Production.Now, iqembu labaphenyi eHarvard Meechman Center forUmuthi we-opoleelectronicUthuthukise inqubo e-Optochemical ye-Ettochemical (PEC) esiza ekutholeni kahle i-laser wavength ye-microdisk laser ngokunemba kwe-subnanometer. Umsebenzi unyatheliswa ephephabhukwini athuthukisiwe Photonics.
Photochemical Etching
Ngokusho kwemibiko, indlela entsha yeqembu yenza ukwenziwa kwama-micro-disk lasers kanye nama-nanodisk ama-laser aqediwe ngokuqondile, amagagasi anqunyelwe anqunyelwe. Isihluthulelo salokhu kuphumelela ukusetshenziswa kwe-PEC etching, enikeza indlela ephumelelayo futhi ehlelekile yokunciphisa amandla we-microdiss laser. Emiphumeleni engenhla, iqembu lithole ngempumelelo ama-microdisks we-microdis ama-microdium we-arsenity ambozwe nge-silica ekwakhiweni kwekholomu ye-Indium phosphide. Basebehlelele i-laser wavelength yale microdisks ngokunemba ngenani elinqunyelwe ngokwenza i-PhotoChical Etching ngesisombululo esihlanjululwe i-sulfuric acid.
Baphinde baphenye izindlela nezinhlelo zama-etchings athile we-Photochemical (PEC). Ekugcineni, badlulisela i-microdisk ye-microdisth ye-waveled kwi-polydimethylsiloxane substrate ukukhiqiza izinhlayiya ezizimele, ezihlukanisiwe ze-laser ezinama-waverth ahlukene we-laser. I-microdisk ephumayo ikhombisa i-bandwidth ye-ultra-widele ye-laser ukuphuma kwe-laser, ngei-laserkwikholamu engaphansi kuka-0.6 nm kanye nenhlayiya eyingxenye engaphansi kwe-1.5 nm.
Ukuvula umnyango wezicelo ze-biomedical
Lo mphumela uvula umnyango wezinhlelo eziningi ezintsha ze-nanophotonics kanye nezicelo ze-biomedical. Isibonelo, ama-lesters asodwa ama-microdisk angasebenza njengama-barcode we-physic-optical we-heterogeneous amasampula we-heterogeneous, ukuqondiswa kwama-molecule athile e-molecule, njengama-fluorophores ajwayelekile, amachashazi akhethekile, kanye nobuhlalu be-fluorescent, abanobuhlalu obubanzi bokuphuma. Ngakho-ke, izinhlobo ezimbalwa zeseli ezithile zingafakwa kubhalwe ngasikhathi sinye. Ngokuphambene nalokho, ukuphuma kwe-band okukhanyayo kwe-altra ye-microdisk laser kuzokwazi ukukhomba izinhlobo eziningi ze-cell ngasikhathi sinye.
Iqembu lihlolwe futhi libonise ngempumelelo izinhlayiya ze-microdisk laser ngokuqondile njengezimpawu ze-microdisk njengezinto ze-biomasker, zizisebenzisa ukuze zilethe amalebula ama-epithelial ama-epithelial ajwayelekile we-Mcf10A. Ngokuphuma kwabo kwe-Ultra-Wideand, la ma-lasers angaguqula ama-biosensens, asebenzise amasu afakazelwe we-biomedical ne-optical afana nokucabanga kwe-cytodynamic, ukugeleza kwe-cytometry, kanye nokuhlaziywa kwama-multi-ama-inultics. Ubuchwepheshe obususelwa ku-Pec Etching bamaka kusengaphambili okukhulu kuma-microdisk lasers. Ukuqina kwendlela, kanye nokunemba kwalo kwe-subenanometer, kuvula amathuba amasha okufaka izicelo zama-lasers kuma-nanophotonics kanye namadivayisi we-biomedical, kanye nama-barcodes athile ama-molecule e-cell.
Isikhathi Seposi: Jan-29-2024