报道了利用ＣＣＤ测试ＬｉＮｂＯ３条波导光损伤的实验结果。发现各种传向都存在不同程度的光损伤。加热可大部分消除光损伤，掺入ＭｇＯ也可提高条波导的抗光损伤性能。 The experimental results of detecting light damage of LiNbO3 by using CCD were reported. Found that there are various degrees of transmission of light damage to varying degrees. Heating can eliminate most of the optical damage, and incorporation of MgO can also improve the anti-optical damage performance of the waveguide.