Yav tas los peb tau qhia peb ΠΈ . Niaj hnub no koj tuaj yeem saib ntawm qhov chaw kuaj pom qhov muag ntawm Kws qhia ntawv ntawm Physics thiab Technology ntawm ITMO University.
Daim duab: XNUMXD nanolithograph
Lub Laboratory of Low-Dimensional Quantum Materials belongs rau Lub Chaw Tshawb Fawb Txog Nanophotonics thiab Metamaterials () ntawm lub hauv paus .
Nws cov neeg ua haujlwm tau koom nrog khoom : plasmons, excitons thiab polaritons. Cov kev tshawb fawb no yuav ua rau nws muaj peev xwm los tsim cov khoom siv kho qhov muag thiab quantum computers. Lub chaw soj nstuam tau muab faib ua ntau qhov chaw ua haujlwm suav nrog txhua theem ntawm kev ua haujlwm nrog cov khoom siv quantum qis: qauv npaj, lawv cov fabrication, characterization thiab optical kev tshawb fawb.
Thawj cheeb tsam yog nruab nrog txhua yam tsim nyog rau kev npaj ua qauv .
Lub tshuab ntxhua khaub ncaws ultrasonic tau teeb tsa los ntxuav lawv, thiab txhawm rau ua kom muaj kev nyab xeeb ua haujlwm nrog cawv, lub hood muaj zog ua haujlwm ntawm no. Qee cov ntaub ntawv tshawb fawb tau muab rau peb los ntawm cov koom tes hauv chav kuaj hauv Finland, Singapore thiab Denmark.
Txhawm rau kom tsis muaj menyuam, lub BINDER FD Classic.Line drying txee yog ntsia hauv chav. Cov cua kub hauv nws tswj qhov kub ntawm 10 txog 300 Β° C. Nws muaj USB interface rau kev ntsuas kub tsis tu ncua thaum lub sijhawm sim.
Cov neeg ua haujlwm hauv chav kuaj kuj tseem siv lub chamber no los kuaj kev ntxhov siab thiab kev kuaj kev laus ntawm cov qauv. Cov kev sim no yog qhov tsim nyog kom nkag siab tias cov khoom siv thiab cov khoom siv coj li cas hauv qee yam xwm txheej: tus qauv thiab qhov hnyav.
Ib tug nanolithograph peb-dimensional yog ntsia rau hauv chav tom ntej. Nws tso cai rau fabrication ntawm peb-dimensional qauv ob peb puas nanometers loj.
Lub hauv paus ntsiab lus ntawm nws txoj haujlwm yog ua raws li qhov tshwm sim ntawm ob-photon polymerization. Qhov tseem ceeb, nws yog lub tshuab luam ntawv 3D uas siv lasers los tsim cov khoom los ntawm cov kua polymer. Lub polymer hardens tsuas yog nyob rau ntawm qhov chaw uas lub laser beam tsom.
Daim duab: XNUMXD nanolithograph
Tsis zoo li cov txheej txheem lithography txheej txheem, uas yog siv los tsim cov txheej txheem thiab ua haujlwm nrog cov txheej txheem nyias nyias, ob-photon polymerization tso cai rau kev tsim cov txheej txheem peb sab. Piv txwv li, zoo li no:
Chav tom ntej ntawm chav kuaj yog siv rau kev sim kho qhov muag.
Muaj ib lub rooj kho qhov muag loj yuav luag kaum meters ntev, muaj ntau qhov kev teeb tsa. Cov ntsiab lus tseem ceeb ntawm txhua qhov kev teeb tsa yog qhov chaw hluav taws xob (lasers thiab teeb), spectrometers thiab microscopes. Ib qho ntawm microscopes muaj peb txoj kev kho qhov muag ib zaug - sab sauv, sab thiab qis.
Nws tuaj yeem siv los ntsuas tsis tau tsuas yog kis tau tus mob thiab kev cuam tshuam spectra, tab sis kuj tawg. Cov tom kawg muab cov ntaub ntawv nplua nuj heev txog nanoobjects, piv txwv li, cov yam ntxwv spectral thiab cov qauv hluav taws xob ntawm nanoantennas.
Hauv daim duab: cov nyhuv ntawm lub teeb tawg ntawm cov khoom silicon
Tag nrho cov khoom siv nyob rau ntawm ib lub rooj nrog ib qho kev vibration suppression system. Cov hluav taws xob ntawm txhua lub laser tuaj yeem xa mus rau ib qho ntawm cov tshuab kho qhov muag thiab lub tshuab tsom iav siv ob peb daim iav thiab kev tshawb fawb tuaj yeem txuas ntxiv.
Lub tshuab hluav taws xob txuas ntxiv-yoj laser nrog lub spectrum nqaim heev ua rau nws muaj peev xwm ua qhov kev sim rau . Lub teeb laser yog tsom rau saum npoo ntawm cov qauv, thiab cov spectrum ntawm lub teeb tawg tau raug kaw los ntawm lub spectrometer.
Cov kab nqaim sib xws rau lub teeb tsis muaj zog tawg (nrog rau kev hloov pauv hauv wavelength) raug pom nyob rau hauv spectra. Cov peaks no muab cov ntaub ntawv hais txog cov qauv siv lead ua ntawm cov qauv, thiab qee zaum txawm hais txog kev teeb tsa ntawm tus kheej molecules.
Kuj tseem muaj femtosecond laser ntsia hauv chav. Nws muaj peev xwm tsim tau luv luv (100 femtoseconds - ib kaum-trillionth ntawm ib thib ob) pulses ntawm laser hluav taws xob nrog lub zog loj. Raws li qhov tshwm sim, peb tau txais lub sijhawm los kawm txog cov teebmeem uas tsis yog-linear kho qhov muag: tiam ntawm ob lub frequencies thiab lwm yam kev tshwm sim tseem ceeb uas tsis tuaj yeem tshwm sim hauv cov xwm txheej ntuj.
Peb cov cryostat tseem nyob hauv chav kuaj. Nws tso cai rau kev ntsuas qhov muag nrog tib qhov chaw, tab sis ntawm qhov kub thiab txias - txog li xya Kelvin, uas yog kwv yees li ntawm -266 Β° C.
Nyob rau hauv cov xwm txheej zoo li no, muaj ntau qhov xwm txheej tshwj xeeb tuaj yeem pom, tshwj xeeb, kev tswj hwm kev sib txuas ntawm lub teeb thiab teeb meem, thaum lub photon thiab exciton (electron-qhov khub) tsim ib qho me me - ib qho exciton-polariton. Polaritons tuav cov lus cog tseg zoo hauv thaj chaw ntawm quantum xam thiab cov khoom siv nrog cov teebmeem tsis muaj zog.
Hauv daim duab: INTEGRA sojntsuam microscope
Hauv chav kawg ntawm chav kuaj peb muab peb cov cuab yeej kuaj mob - ΠΈ . Thawj tso cai rau koj kom tau txais cov duab ntawm qhov chaw ntawm ib qho khoom nrog kev daws teeb meem siab thiab kawm txog cov khoom sib xyaw, cov qauv thiab lwm yam khoom ntawm cov txheej txheej saum npoo ntawm txhua yam khoom. Ua li no, nws scans lawv nrog lub teeb tsom teeb ntawm electrons nrawm los ntawm high voltage.
Ib qho kev sojntsuam sojntsuam microscope ua tib yam nkaus los ntawm kev siv cov tshuaj sojntsuam uas tshuaj xyuas qhov chaw ntawm tus qauv. Nyob rau hauv cov ntaub ntawv no, nws muaj peev xwm ib txhij tau txais cov ntaub ntawv hais txog "tuab toj" ntawm tus qauv nto thiab hais txog nws cov khoom hauv zos, piv txwv li, hluav taws xob muaj peev xwm thiab magnetization.
Daim duab: scanning electron microscope S50 EDAX
Cov cuab yeej no pab peb tsim cov qauv rau kev kawm kho qhov muag ntxiv.
Cov phiaj xwm thiab cov phiaj xwm
Ib qho ntawm cov haujlwm tseem ceeb ntawm chav kuaj yog cuam tshuam nrog hybrid xeev ntawm lub teeb thiab teeb meem hauv quantum cov ntaub ntawv-exciton-polaritons twb tau hais los saum toj no. Ib qho mega-nyiaj pab los ntawm Ministry of Education thiab Science ntawm Lavxias Federation tau mob siab rau lub ncauj lus no. Qhov project yog coj los ntawm cov kws tshawb fawb ntawm University of Sheffield, Maurice Shkolnik. Kev sim ua haujlwm ntawm qhov project yog ua los ntawm Anton Samusev, thiab cov theoretical ib feem yog coj los ntawm xibfwb ntawm kws qhia ntawv ntawm Physics thiab Technology Ivan Shelykh.
Cov neeg ua haujlwm hauv chav kuaj tseem tab tom kawm txog kev xa cov ntaub ntawv siv solitons. Solitons yog nthwv dej uas tsis cuam tshuam los ntawm kev tawg. Ua tsaug rau qhov no, cov teeb liab kis tau los ntawm kev siv solitons tsis "kho tawm" thaum lawv nthuav tawm, uas ua rau nws muaj peev xwm ua kom muaj kev sib kis ceev thiab ntau yam kev sib kis.
Thaum pib ntawm 2018, cov kws tshawb fawb los ntawm peb University thiab cov npoj yaig los ntawm lub tsev kawm ntawv hauv Vladimir qauv ntawm ib tug solid-state terahertz laser. Lub peculiarity ntawm txoj kev loj hlob yog tias terahertz hluav taws xob tsis yog "ntev" los ntawm cov khoom ua los ntawm ntoo, yas thiab ceramics. Ua tsaug rau cov cuab yeej no, lub laser yuav siv rau hauv cov neeg caij tsheb thiab cov hnab nqa taug kev soj ntsuam kom sai sai rau cov khoom siv hlau. Lwm thaj chaw ntawm kev siv tau yog kev kho dua tshiab ntawm cov khoom qub qub. Lub tshuab kho qhov muag yuav pab kom tau txais cov duab zais hauv cov txheej xim lossis ceramics.
Peb cov phiaj xwm yog txhawm rau txhim kho chav kuaj nrog cov cuab yeej tshiab los ua kev tshawb fawb ntau dua. Piv txwv li, yuav ib lub tunable femtosecond laser, uas yuav nthuav dav ntau yam ntawm cov ntaub ntawv uas tau kawm. Qhov no yuav pab tau cov dej num ntsig txog quantum chips rau tiam tom ntej xam systems.
Yuav ua li cas ITMO University ua haujlwm thiab ua neej nyob:
Tau qhov twg los: www.hab.com