Schedule 0 9:40 AM - 10:00 AM [OPTM3-02] Design of SiN waveguide reference wave source for point diffraction interferometer *Yuankai Chen1, Yongying Yang1, Chen Wang1, Yao Li1, Zijian Liang1, Hongyang Zhao1, Shengan Liu1, Jian Bai1 (1. Zhejiang University)