Ma optics awa amagwiritsidwa ntchito kwambiri pokonza laser, diagnostics, ndi spectroscopy. Mu CO₂ laser cutting, marking, and welding, zimathandiza kutumiza bwino kuwala kwa dzuwa ndi kuwongolera njira. Pakuwunika mphamvu ndi zitsanzo, amachotsa gawo laling'ono la kuwala kwa dzuwa kuti liyesedwe nthawi yeniyeni popanda kusokoneza ntchito yayikulu. Ndi ofunikiranso pa infrared thermal imagers ndi FTIR spectrometers, komanso pazipangizo zamankhwala za laser ndi ma industrial pyrometry systems. Ntchito yawo yaikulu ndikugawa kuwala kwa dzuwa kwa dzuwa m'magawo awiri kapena kuphatikiza kuwala kwa dzuwa kwa dzuwa m'magawo awiri. Mu polarizing configuration (PBS), amagwira makamaka kuwala kwa dzuwa komwe ma axes ake a polarization ali olunjika kwa wina ndi mnzake, ndipo magwiridwe antchito onse amalamulidwa ndi coating stack yomwe imagwiritsidwa ntchito pa substrate.
Kutalika kwa mafunde kwakhala kukuyang'ana kwambiri pakupereka zinthu zowunikira zolondola kwambiri kwa zaka 20.