砷酸钛氧钾（KTiOAsO4 ）KTA是一个非线性光学晶体光参量振荡（OPO）的应用。它具有良好的非线性光学和电光学特性，对波段范围在2.0～5.0μm有明显减少吸收，宽的接收角和温度及光谱范围，低介电常数.
Potassium Titanyl Arsenate(KTIOAsO4),or KTA, is a nonlinear optical crystal for Optical Parametric Oscillation(OPO) application.It has good nonlinear optical and electro-optical properties,e.g. significantly reduced absorption in band range of 2.0-5.0 um,broad angular and temperature bandwidth, low dielectric constants.
