2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Theodore Maiman Theodore Maiman Thaum Ntxov thiab tub kawm lub neej
Nyob hauv nws cov hluas Maiman khwv tau nyiaj los ntawm kev kho cov khoom siv hluav taws xob thiab xov tooj cua, thiab tom qab tawm hauv tsev kawm ntawv theem siab tau ua haujlwm junior engineernrog National Union Radio Company thaum muaj hnub nyoog 17. Tom qab ib xyoos ua haujlwm hauv Tebchaws Meskas Navy thaum kawg ntawm Ntiaj Teb Tsov Rog II, nws tau txais B. S. https://en.wikipedia.org › wiki › Theodore_Maiman
Theodore Maiman - Wikipedia
ua thawj lub laser ua haujlwm ntawm 16 Tsib Hlis 1960 ntawm Hughes Research Laboratory hauv California, los ntawm kev ci ntsa iab lub teeb muaj zog ntawm lub pas nrig nrog cov nyiaj-coated.
laser thawj zaug siv lag luam nyob qhov twg?
thawj daim ntawv thov kev lag luam ntawm Laser Materials Processing yog nyob rau lub Tsib Hlis 1967 thaum Peter Houldcroft ntawm TWI (Lub Vuam Lub Tsev Kawm Ntawv) hauv Cambridge, England siv cov pa oxygen-pab CO 2 laser beam txiav los ntawm ib daim hlau 1 hli tuab.
lasers Ameslikas siv rau dab tsi?
Programmable electronic computers thawj zaug tau xav tias muaj txiaj ntsig tsuas yog rau kev tshawb fawb txog kev tshawb fawb . Rau nws ib feem, lub laser yog nyob rau hauv nws yug los heralded ntau yam raws li ib tug science-fiction tuag ray 1 los yog ntau zaus coherent transmitter rau atmospheric kev sib txuas lus.
Ntev npaum li cas laser nyob ib puag ncig?
Nws yog thawj zaug tsim los ntawm tus kws tshawb fawb hu ua Theodore Maiman hauv Tsib Hlis 1960, thiab tshaj tawm rau pej xeem thaum Lub Xya Hli 7ntawm xyoo ntawd-57 xyoo dhau los niaj hnub no. Maiman tab tom ua haujlwm ntau xyoo los ntawm lwm tus kws kho mob, suav nrog Charles H. Townes, uas tom qab ntawd tau sau tias lub laser tau piav qhia tias yog "kev daws teeb meem nrhiav teeb meem."
Dab tsi yog xim laser uas muaj zog tshaj?
Raws li txoj cai dav dav, green lasers yog 532nm yog 5-7X ci dua li lwm cov xim laser, ntawm tib lub zog. Seb xiav, liab, ntshav / violet, lossis lub teeb xim zoo li daj, ntsuab yog qhov zoo tshaj plaws ntawm lub zog rau kev pom.
Pom zoo:
Thaum twg cov khoom tawg tau siv thawj zaug?
Thawj thawj qhov hluav taws xob hluav taws xob tau tsim nyob rau hauv 1879 los ntawm Thomas Edison, thaum nws tau los nrog lub tswv yim ntawm kev tiv thaiv kab hluav taws xob siv rau teeb pom kev zoo los ntawm cov teeb meem tshwm sim ntawm overloads tam sim no thiab luv circuits.
Thaum twg cov lus tau siv thawj zaug?
Ntxiv mus, nws tuaj yeem nyuaj rau txheeb xyuas raws nraim thaum qee cov txheej txheem sau ntawv tau tsim thiab qhov twg los ua ntej. Qhov kev pom zoo dav dav yog tias Sumerian yog thawj hom lus, tsim nyob rau yav qab teb Mesopotamia ncig 3400 lossis 3500 BCE.
Thaum twg perchlorethylene tau siv thawj zaug?
Perchloroethylene (PCE, los yog tetrachloroethylene) tau siv txij li thaum the 1930s. Thawj lub tshuab ziab khaub ncaws qhib thaum twg? Cov qhab nia rau kev ua lag luam ua ntej lub tshuab ziab khaub ncaws mus rau lub tuam txhab ntawm Jolly-Belin, uas tau qhib hauv 1825 hauv Paris, raws li Phau Ntawv Qhia Txog Cov Ntsiab Lus.
Thaum twg snipers tau siv thawj zaug?
1701–1800. Cov ntaub ntawv thaum ntxov ntawm sniping lossis marksmanship tau siv thaum lub sij hawm American Revolutionary War. Piv txwv li, nyob rau hauv 1777 ntawm kev sib ntaus sib tua ntawm Saratoga cov Colonists nkaum hauv cov ntoo thiab siv cov phom sij thaum ntxov los tua cov tub ceev xwm Askiv.
Thaum twg tau siv hluav taws xob thawj zaug?
Ua ntej nws tau tsim nyob rau hauv the 1890s, lo lus taws tau siv los piav txog ib tus pas uas tuaj yeem teeb thiab siv los ua lub teeb. Thaum lub teeb nyem tau siv dav thoob plaws ntiaj teb, lawv tau pib paub hauv tebchaws Askiv li hluav taws xob.
