Potassium Titanyle Arsenate (KTiOAsO4), poʻo KTA tioata, o se tioata mataʻutia e le laina laina mo le Optical Parametric Oscillation (OPO) talosaga.E sili atu le faʻaogaina o mea faʻapipiʻi ma eletise eletise, faʻaititia tele le faʻaogaina i le 2.0-5.0 μm itulagi, lautele angular ma le vevela bandwidth, maualalo faʻamaumau dielectric.