ʻO ka Potassium Titanyle Arsenate (KTiOAsO4), a i ʻole KTA crystal, he ʻano aniani ʻōpika nonlinear maikaʻi loa no ka noi Optical Parametric Oscillation (OPO).Loaʻa iā ia nā coefficients optical non-linear a me electro-optical coefficients, hoʻemi nui ʻia ka absorption ma ka ʻāpana 2.0-5.0 µm, ākea ākea a me ka bandwidth wela, nā haʻahaʻa dielectric haʻahaʻa.