M Q-switches ko saturable absorbers samar high ikon Laser bugun jini ba tare da amfani da electro-optic Q-switches, game da shi rage kunshin size da kuma kawar da wani babban ƙarfin lantarki samar da wutar lantarki.Co2+:MgAl2O4wani in mun gwada da sabon abu don m Q-switching a Laser emitting daga 1.2 zuwa 1.6μm, musamman, ga ido-lafiya 1.54μm Er: gilashin Laser, amma kuma aiki a 1.44μm da 1.34μm Laser raƙuman ruwa.Spinel kristal ne mai wuya, barga wanda yake gogewa da kyau.