Kaum Ob Hlis 1958: Kev Tsim Kho Laser. Txhua lub sijhawm tam sim no thiab tom qab ntawd, txoj kev tshawb fawb tau tshwm sim uas muaj kev cuam tshuam rau lub neej niaj hnub. Ib qho piv txwv ntawm qhov no yog qhov invention ntawm lub laser, uas sawv cev rau lub teeb amplification los ntawm stimulated emission ntawm hluav taws xob.
lasers thawj zaug siv rau dab tsi?
Kev Tshawb Fawb Txog Kev Tshawb Fawb: Ua ntej lwm daim ntawv thov, lasers tau siv rau kev tshawb fawb. Thaum xub thawj, zoo li masers, lawv tau siv los kawm atomic physics thiab chemistry. Tab sis kev siv tau pom sai sai hauv ntau qhov chaw.
Ntev npaum li cas lasers nyob ib puag ncig?
Nws yog thawj zaug tsim los ntawm tus kws tshawb fawb hu ua Theodore Maiman hauv May 1960, thiab tshaj tawm rau pej xeem thaum Lub Xya Hli 7 ntawm xyoo ntawd-57 xyoo dhau los 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. "
hom laser twg yog thawj zaug?
Nyob rau xyoo 1962 Robert N. Hall thiab cov neeg ua haujlwm ntawm General Electric Research thiab Development Center hauv Schenectady, New York, tau ua lub first semiconductor laser.
3 hom lasers yog dab tsi?
YYam lasers
- Solid-state laser.
- Gas laser.
- ua kua laser.
- YSemiconductor laser.
