Teamungiyar Amurka ta Ba da Sha'awar sabuwar hanya don sake kunna microdisk laesers

Teamungiyar bincike ta hadin gwiwa daga makarantar Harvard na Harvard (HMS) ta ce sun cimma nasarar fitowar microdisk Laser ta amfani da hanyar Pec ECTHOND, Yin sabon tushe don wasan kwaikwayon Nanophotonics da Biomediciine ".

(Fitowar ta microdisk lascusted da hanyar pect etching)

A cikin filayenNanophotonicsda biomedicicine, microdisklasersKuma ambalan nanodisk Lemers sun zama mai sawatusheda bincike. A cikin aikace-aikace da yawa kamar yanar gizo mai amfani da hoto, kan-guntu mening, biochemical lacting, da kunkuntar Phototar Photorend a cikin ƙimar ƙimar fashewar da kuma kunkuntar ƙaƙƙarfan daidaituwa. Koyaya, ya kasance yana ƙalubalance don ƙirƙirar microdisk da nanodisk laesers na wannan ainihin raƙuman ruwa a kan babban sikelin. Tafiyar matakai na NanoFAFRationLeftencecronic maganinhas developed an innovative optochemical (PEC) etching technique that helps to precisely tune the laser wavelength of a microdisk laser with subnanometer accuracy. An buga aikin a cikin mujallar cigaba.

Photochemical etching etching
A cewar rahotanni, sabuwar hanyar tawagar tana ba da damar kirkirar labarun micro-diski da kuma Nanoodisk Lasery tare da madaidaici raƙuman ruwa. Makullin wannan nasara shine amfani da pec etching, wanda ke ba da ingantaccen hanyar da za a scalable don daidaita yanayin tafiye-tafiye na microdop Laser. A cikin sakamakon da ke sama, ƙungiyar ta samu nasarar samun microdiss na indium arsphing microdisks an rufe silica a kan tsarin shafi na Indium Phosphaide. Daga nan suka sanya igiyar Laser na waɗannan microdisks daidai da ƙimar da aka ƙaddara ta hanyar yin ɗaukar hoto etching a cikin maganin sulfuric acid.
Sun kuma bincika hanyoyin da kuzari na takamaiman hoto (Pec) etchingings. A ƙarshe, sun canja wurin microdisk mai-ƙarfi a kan polydimSLOXane don samar da 'yanci, ware Laser barbashi tare da daban-daban Laser raƙuman ruwa. A sakamakon microdisk yana nuna bandwidth mai amfani da Laserband, daLaserA kan shafi kasa da 0.6 nm da kuma ƙwayar ƙwayar cuta ƙasa da 1.5 nm.

Bude kofa ga aikace-aikacen biomedial
Wannan sakamakon yana buɗe ƙofar sababbin aikace-aikacen Nanophotonics da na ciki. Misali, tsaya microdisk laiyya na iya zama a matsayin shahararrun masanan kwakwalwa a halin yanzu ana yin saƙo takamaiman alfalet na al'ada. ba a rufe layi. Saboda haka, kawai wasu takamaiman nau'ikan sel za a iya yiwa alama a lokaci guda. Da bambanci, hasken ƙamshi mai ɗorewa na microdisk Laser zai iya gano ƙarin nau'in tantanin halitta a lokaci guda.
Teamungiyar ta gwada kuma ta sami nasarar nuna daidai da ƙwayoyin microdisk barbashi a matsayin biomarkers, ta amfani da su don alamar sel na al'ada nono McF1esa. Tare da fidda ult-weret, waɗannan lasarar na iya lalata ɓoyewa da biosendical da dabarun gani, kwarara cytometry, da bincike mai gudana. Fasahar da ke da alaƙa da Pec Etching alamomin babban ci gaba a cikin lasers microdisk. Scalability of Hanyar, kazalika da Subnancodiddigar Subnanometer, yana buɗe sabon damar amfani da aikace-aikacen lasely a cikin takamaiman adadin ƙwayoyin cuta da kwayoyin halitta na nazari.