Cov kws tshawb fawb tau tsim xim-hloov Nano Laser
Nws tau tshaj tawm tias kev tshoov siab los ntawm xwm, cov kws tshawb fawb tau tsim ib hom tshiab ntawm nano laser uas tuaj yeem siv tib nanomechanics li chameleons los hloov xim.
Chameleons hloov xim los ntawm kev tswj cov kis ntawm nanocrystals ntawm lawv cov tawv nqaij. Nyob rau hauv ib tug zoo li yam, tus tshiab nano laser achieves hloov xim los tswj cov periodic faib ntawm hlau nanoparticles rau ib tug stretchable polymer matrix. Lub stretchable polymer matrix yuav ua rau kom qhov kev ncua deb ntawm lub nanoparticles los ntawm kev ncab los yog kom cov kev coj ntawm lawv los ntawm shrinking, li no hloov cov wavelength ntawm lub laser lub teeb, li no hloov cov xim ntawm lub teeb tawm txim liab los ntawm lub laser lub teeb.
Teri W. Odom, ib tug xib fwb ntawm Northwestern University nyob rau hauv lub tebchaws United States, hais tias:" Yog li ntawd, los ntawm kev ncab thiab tso cov elastic substrate, peb yuav xaiv cov xim ntawm lub txim liab teeb."
Los ntawm kev sib xyaw quadrupole plasmons raws li lub tswv yim kho qhov muag lub tswv yim, nanolasers tuaj yeem tswj cov qib siab zoo. Los ntawm kev nce qhov loj ntawm cov hlau nanoparticles hauv cov kab, cov kws tshawb fawb ntawm Northwestern University qhia cov kev sib tw zoo siab ntxig ntoo plasmon resonance uas muaj qhov tawm ntawm cov dav hlau tsis tuaj yeem tawm ntawm cov dav hlau them nyiaj oscillations.
Cov soj ntsuam ntawm ua ib tug semi-ntau simulation ua qauv qhia laser tsom ntawm ib tug tov quadrupole electromagnetic hotspot mus cuag cov neeg kho tshuab tes taws los piav ntawm nanoscale yees duab-tshuaj cov kev sib tshuam. Los ntawm kev npaj cov nanoparticles hlau rau ntawm daim phiaj ywj ncig nrog cov nce ua kua, cov kws tshawb fawb ua tiav kev rov ua dua tshiab, tunable nano-laser nrog lub siab tawv
Cov peev xwm muaj peev xwm thiab lwm cov khoom ntawm nano lasers tuaj yeem txuas ntxiv rau kev tsim cov thev naus laus zis xws li hloov kho qhov muag pom kev txhawb nqa cov xov tooj ntse thiab xov tooj, hnav lub koob yees duab, thiab cuam tshuam rhiab sensors.
Cov kev tshawb fawb tau luam tawm nyob rau hauvNano ntawv.