K9 glass film was used as protection coating in order to avoid the surface corrosion of erbium-doped phosphate glass during ion-exchange processing for optical waveguide fabrication.

• 采用镀K9玻璃薄膜方法来解决离子交换掺铒磷酸盐玻璃波导表面的侵蚀问题,对K9玻璃薄膜的厚度进行了优化研究。