Indorerwamo y'umuringa ni igice cyihariye cy'urumuri, gikoreshwa cyane cyane mu ikoranabuhanga rya laser, kandi ibikoresho byayo by'ibanze ni umuringa cyangwa aloyi y'umuringa. Indorerwamo y'umuringa igaragaza urumuri rwa laser mu buso bwayo bugaragaza cyane kugira ngo iyobore, ishyire ahagaragara, cyangwa ihindure icyerekezo cy'urumuri rwa laser. Kubera ko ifite ubushobozi bwo gutwara ubushyuhe bwinshi, imiterere myiza ya mekanike no kudahura n'ingufu, umuringa ufite akarusho gadasanzwe mu gukoresha laser.
Ubunini bw'amatara bwibanze ku gutanga ibikoresho by'ikoranabuhanga bigezweho mu gihe cy'imyaka 20