Makampani opanga nsalu ndi zovala pang'onopang'ono adayamba kugwiritsa ntchito ukadaulo wa laser ndipo adalowa mumakampani opanga ma laser. Ukadaulo wamba wa laser pakukonza nsalu umaphatikizapo kudula kwa laser, kuyika chizindikiro ndi laser. Mfundo yayikulu ndikugwiritsa ntchito mphamvu yopitilira muyeso ya mtengo wa laser kuchotsa, kusungunula, kapena kusintha mawonekedwe apamwamba azinthuzo. Ma laser chillers amagwiritsidwanso ntchito kwambiri mumakampani opanga nsalu / zovala.