Cov kws tshawb fawb ntawm Penn State University hauv Tebchaws Meskas tau hais tias tsis ntev, cov khoom siv hluav taws xob semiconductor nws tus kheej yuav tuaj yeem ua "hluav taws xob-kho qhov muag-hluav taws xob" hloov dua siab tshiab yam tsis muaj kev vam khom rau cov hluav taws xob-kho qhov muag (Electronic-optical) converters, thiab kim kho qhov muag- electronic converters ntawm qhov kawg tau txais.

Qhov kev tsim tshiab no yog los ua ke ib leeg siv lead ua silicon core hauv iav capillary nrog ib txoj kab uas hla ntawm 1.7 microns, thiab ua kom ruaj khov thiab kaw ntawm ob qho kawg los ua ib qho siv lead ua silicon, yog li kev sib txuas pheej yig dua ib qho siv lead ua silicon germanium thiab ib qho siv lead ua silicon ntawm ob qho kawg. . Qhov kev tshawb fawb no tau ua ke los ntawm cov xibfwb Venkatraman Gopalan thiab John Badding hauv Department of Materials Science thiab Engineering ntawm Penn State University, thiab tus kws kho mob cov tub ntxhais kawm Xiaoyu Ji.

Muab cov amorphous silicon core rau hauv iav capillary nrog ib txoj kab uas hla ntawm 1.7 microns

Qhov yooj yim kho qhov muag fiber ntau siv niaj hnub no tsuas yog emit photons raws lub iav raj npog nrog ib tug mos polymer txheej. Cov teeb liab zoo tshaj plaws yog khaws cia hauv cov fiber ntau optical los ntawm kev xav ntawm iav mus rau polymer, yog li yuav luag tsis muaj teeb liab poob thaum lub sijhawm sib kis mus ntev. Hmoov tsis zoo, tag nrho cov ntaub ntawv kis tau los ntawm lub computer yuav tsum tau siv cov khoom siv hluav taws xob kim hluav taws xob hloov pauv ntawm qhov kawg xa tawm.

Ib yam li ntawd, lub receiver yog lub computer uas yuav tsum tau kim photoelectric converters ntawm qhov kawg tau txais. Txhawm rau ntxiv dag zog rau cov teeb liab, qhov ntev ntev ntawm cov nroog sib txawv yuav tsum muaj "repeater" los ua qhov kev hloov kho qhov muag-hluav taws xob ntau dua, tom qab ntawd ua kom nrov ntawm cov hluav taws xob, thiab tom qab ntawd dhau los ntawm super electro-optical converter kom tso cov teeb liab optical. kis mus rau lwm tus Tus relay thaum kawg mus txog nws qhov chaw.

Cov kws tshawb fawb ntawm Penn State University vam tias yuav tsim kho qhov muag fibers uas muaj cov khoom siv ntse ntse, muab lawv lub peev xwm los ua hluav taws xob-kho qhov muag-hluav taws xob hloov pauv ntawm lawv tus kheej. Tam sim no, pab pawg tshawb fawb tseem tsis tau ua tiav nws lub hom phiaj, tab sis tau ua tiav tag nrho cov ntaub ntawv xav tau hauv nws cov semiconductor optical fiber ntau thiab ua pov thawj tias nws tuaj yeem xa cov photons thiab electrons tib lub sijhawm. Tom ntej no, lawv yuav tsum tau ua qauv ib leeg siv lead ua silicon ntawm ob qhov kawg ntawm qhov kho qhov muag fiber ntau los ua qhov tsim nyog kho qhov muag-hluav taws xob thiab hluav taws xob-kho qhov muag hloov pauv hauv lub sijhawm.

Kev ua phem tau pom qhov ua tau ntawm kev siv silicon-filled fibers hauv xyoo 2006, thiab Ji tom qab ntawd siv cov lasers los ua ke cov khoom siv zoo tshaj plaws ib leeg siv lead ua silicon germanium nrog iav capillaries hauv nws qhov kev tshawb fawb kws kho mob. Qhov tshwm sim yog lub ntse monosilicon foob uas yog 2,000 lub sij hawm ntev dua, uas hloov Badding's high-efficiency thawj qauv rau hauv cov khoom lag luam.

Xiaoyu Ji, tus neeg sib tw PhD hauv Department of Materials Science ntawm Penn State University, ua cov kev xeem crystallization ntawm Argonne National Laboratory

Qhov no ultra-me me siv lead ua silicon core kuj tso cai rau Ji siv lub laser scanner kom yaj thiab ua kom cov qauv siv lead ua nyob rau hauv nruab nrab ntawm lub iav tub ntxhais ntawm qhov kub ntawm 750-900 degrees Fahrenheit, yog li tsis txhob muaj qhov paug ntawm cov iav.

Yog li ntawd, nws tau siv ntau tshaj 10 xyoo los ntawm Badding thawj zaug los sib txuas cov ntse semiconductors thiab yooj yim optical fibers nrog tib optical-hluav taws xob fiber ntau.

Tom ntej no, cov kws tshawb nrhiav yuav pib ua kom zoo dua qub (kom ua kom cov ntse fiber ntau ncav cuag qhov sib kis ceev thiab zoo piv rau cov fiber ntau yooj yim), thiab ua qauv ntawm silicon germanium rau kev siv, suav nrog endoscopes, duab thiab fiber ntau lasers.