Laser muaj plaub yam ntxwv: kev kub ceev, siab ncaj qha, siab monochromaticity thiab siab coherence.Laser beam muaj lub zog siab ceev tom qab sau.Nws tau dav siv nyob rau hauv kev lag luam rau kev txiav, drilling, vuam, hlau nto hloov kho (theem hloov hardening, txheej, lysis a ...