Lasers tuaj qhov twg?

Txoj kev xav ntawm laser (Laser Amplification los ntawm Stimulated Emission of Radiation) tau tshwm sim los ntawm Albert Einstein hauv xyoo 1917, uas tau taw qhia cov kev tshawb xav txog kev sib cuam tshuam ntawm lub teeb thiab cov khoom (Zur Quantentheorie der Strahlung).

Raws li txoj kev xav, muaj cov lej sib txawv ntawm cov khoom sib txawv ntawm cov qib zog sib txawv. Thiab cov khoom ntawm qib siab zog yuav dhia mus rau theem qis zog thaum zoo siab los ntawm ib qho photon. Nyob rau theem qis zog, lub teeb ntawm tib yam li lub teeb uas excites nws yuav radiated. Thiab ib lub lim tiam teeb tuaj yeem ua rau lub teeb muaj zog hauv ib lub xeev.

Tom qab ntawd, Rudolf W.Ladenburg, Valentin A. Fabrikant, Willis E. yaj, Alfred Rastler Joseph Weber thiab ntau tus kws tshawb fawb tau koom nrog hauv kev tshawb nrhiav lasers.

Niaj hnub no, kuv xav them sai sai rau daim ntawv thov ntawm lasers, xws li laser txiav thiab engraving, laser vuam thiab laser npav. Daim ntawv thov ntawm laser txiav pib nyob rau hauv 1963, nws yog nrov nrog plaub qhov zoo, siab lightness, siab kev taw qhia, siab monochromaticity thiab siab coherence. Tsis muaj deformation thiab cov cuab yeej hnav thaum lub sijhawm ua haujlwm txij li lub laser tsis tiv tauj nrog cov khoom siv. Tsis tas li ntawd, nws yog ib qho kev ua tau yooj yim uas txiav sai thiab tho cov khoom siv hlau nrog kev siv zog ntawm cov nqaj thiab lub zog muaj zog.

Dab tsi ntxiv, yog tias koj tau hnov ​​​​txog laser welding, ib qho kev hloov tshiab ntawm cov pa welding, koj yuav paub tias nws yog ib txoj hauv kev zoo. Tsis tsuas yog vim muaj kev hloov pauv tau zoo, tab sis kuj yog vim muaj cov txiaj ntsig zoo.

Raws li lub teeb pom kev laser, cov neeg ua haujlwm tuaj yeem txuas cov khoom siv hlau tsis muaj qhov muab tub lim thiab vuam flux. Piv nrog rau cov tsoos argon arc vuam, feem ntau txoj kev vuam tam sim no, fiber ntau laser vuam tuaj yeem dhau los ntawm cov khoom pob tshab, uas tuaj yeem tiv thaiv nws raug mob los ntawm kev ua haujlwm deb. Thiab nws tuaj yeem siv rau hauv qhov chaw huab cua, xws li qhov kub thiab txias, qhov txias txias thiab ib puag ncig hluav taws xob.