Ib lub laser yog ib qho khoom siv uas tawm lub teeb los ntawm cov txheej txheem ntawm optical amplification raws li kev txhawb nqa tawm ntawm hluav taws xob hluav taws xob hluav taws xob. Lo lus "laser" yog lub ntsiab lus rau "lub teeb amplification los ntawm stimulated emission of radiation".
Leej twg yog tus tsim lub laser tiag?
Theodore Maiman ntawm Hughes Research Laboratories, nrog thawj ua haujlwm laser. Theodore Maiman tau tsim thawj lub laser ua haujlwm ntawm Hughes Research Lab hauv xyoo 1960, thiab nws daim ntawv piav qhia txog kev ua haujlwm ntawm thawj lub laser tau luam tawm hauv Xwm peb lub hlis tom qab.
Thaum twg lub laser tau tsim thawj zaug?
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.
Leej twg tsim lub laser xyoo 1957?
Rigo: Lub tswv yim rau lub laser tsis yog tuaj rau Gordon Gould tawm ntawm huab cua nyias thaum lub Kaum Ib Hlis Ntuj xyoo 1957. Nws yog ib qho kev hloov pauv ntawm ib qho kev tsim tawm uas Charles Townes twb tau tsim: MASER, uas sawv cev rau microwave amplification los ntawm stimulated emission ntawm hluav taws xob.
laser hu li cas thaum lawv tau tsim xyoo 1960?
Kaum Ob Hlis 1960: Ali Javan, William Bennett Jr. thiab Donald Herriott ntawm Bell Labs tsim the helium-neon (HeNe) laser, thawj zaug tsim ibnruam beam ntawm lub teeb ntawm 1.15 μm.