Q-switches dadban ama kuwa nuugi kara waxay dhaliyaan garaaca leysarka awood sare iyadoo aan la isticmaalin koronto-optic Q-switchs, taas oo hoos u dhigaysa cabbirka xirmada iyo baabi'inta koronto sare.Co2+:MgAl2O4waa shay cusub oo loogu talagalay beddelashada Q-dabacsan ee laysarka ka soo baxaya 1.2 ilaa 1.6μm, gaar ahaan, isha-ammaan 1.54μm Er: laser, laakiin sidoo kale ka shaqeeya 1.44μm iyo 1.34μm laser hirarka.Spinel waa crystal adag, xasilloon oo si fiican u dhalaalaysa.