Qalabka laser attosecond ee ugu horreeya ee Shiinaha ayaa dhismaya

Shiineesmarka horeqalabka laysarka attosecondayaa dhisme ku socda

Attosecond-ku wuxuu noqday qalab cusub oo cilmi-baarayaasha si ay u sahamiyaan adduunka elegtarooniga ah."Cilmi-baarayaasha, cilmi-baarista attosecond waa qasab, marka labaad, tijaabooyin badan oo saynis ah oo ku saabsan habka dhaqdhaqaaqa miisaanka atomikada ayaa noqon doona mid aad u cad, dadka borotiinka noolaha, ifafaalaha nolosha, miisaanka atomiga iyo cilmi-baarista kale ee la xidhiidha si sax ah."Pan Yiming ayaa yidhi.

""

Wei Zhiyi, oo ah cilmi-baare ka tirsan Machadka Fiisigiska ee Akadeemiyada Sayniska ee Shiinaha, ayaa aaminsan in horumarka garaaca iftiinka isku-dhafka ah laga bilaabo femtosecond ilaa attose seconds ma aha oo kaliya horumar fudud oo ku saabsan cabbirka waqtiga, laakiin ka sii muhiimsan, awoodda dadku u leeyihiin inay wax bartaan. qaab dhismeedka walaxda, laga bilaabo dhaqdhaqaaqa atamka iyo molecules ilaa gudaha atamka, waxay ogaan karaan dhaqdhaqaaqa elektarooniga iyo dabeecadaha la xidhiidha, taas oo kicisay kacdoon weyn oo ku saabsan cilmi-baarista fiisigiska aasaasiga ah.Waa mid ka mid ah yoolalka sayniska ee muhiimka ah ee ay dadku si sax ah u cabbiraan dhaqdhaqaaqa elektaroonigga ah, ogaadaan fahamka sifooyinkooda jireed, ka dibna ay xakameeyaan dabeecadda firfircoon ee elektarooniga ah ee atamka.garaaca garaaca attosecond, waxaan ku qiyaasi karnaa oo xitaa macaash samayn karnaa qaybo yaryar oo shakhsi ah, oo sidaas awgeed samaynta indho-indheyn asaasi ah iyo asalka asalka ah iyo sharraxaadaha adduunka yar yar, adduun ay xukumaan makaanikada quantum-ka.
Inkasta oo cilmi-baaristan ay weli wax yar ka fog tahay dadweynaha guud, kicinta "baalasha balanbaalleyda" ayaa hubaal ah inay horseedi doonto imaatinka cilmi-baarista "dabaylaha".Shiinaha, attosecondleysarkacilmi-baadhisyo la xidhiidha ayaa lagu daray jihada horumarinta muhiimka ah ee qaranka, nidaamka tijaabada ee ku habboon ayaa la dhisay iyo qalabka sayniska ayaa la qorsheynayaa, waxay bixin doontaa hab cusub oo muhiim ah oo loogu talagalay daraasadda dhaqdhaqaaqa attosecond, iyada oo la eegayo dhaqdhaqaaqa elektaroonigga ah, noqo kuwa ugu fiican. "Electron microscope" ee qaybta xallinta wakhtiga mustaqbalka.

Sida laga soo xigtay xogta dadweynaha, attosecondqalabka leysarkawaxaa lagu qorsheeyay Shaybaadhka Agabka Harada Songshan ee Shiinaha ee Guangdong-Hong Kong-Macao Greater Bay Area.Sida ay wararku sheegayaan, xarunta laser-ka sare ee attosecond waxaa si wada jir ah u dhisay Machadka Fiisigiska ee Akademiyada Sayniska ee Shiinaha iyo Machadka Xiguang ee Akademiyada Sayniska Shiinaha, Shaybaadhka Agabka ee Songshan Lake ayaa ku lug leh dhismaha.Iyada oo loo marayo naqshadaynta barta bilowga sare, dhismaha xarun xariiqo badan oo badan oo leh soo noqnoqoshada sare ee soo noqnoqda, tamarta photon sare, qulqulka sare iyo ballaca garaaca garaaca aadka u gaaban ayaa bixiya shucaac ultrafine ah oo isku xidhan oo leh ballaca garaaca garaaca ugu gaaban wax ka yar 60as iyo tamarta photon ee ugu sareysa ilaa 500ev, waxaana lagu qalabeeyaa barnaamijka cilmi baarista codsiga ee u dhigma, iyo tusmada dhamaystiran ayaa la filayaa in la gaaro hogaamiyaha caalamiga ah ka dib marka la dhammeeyo.


Waqtiga boostada: Jan-23-2024