%0 Journal Article %T Comparison of Fiber-to-Waveguide Couplers in Point Diffraction Interferometer Based on Waveguide Reference Wavefront Source %A Chen, Yuankai %A Bai, Jian %A Wang, Chen %A Xue, Yingze %A Yang, Yongying %J Applied Sciences %V 10 %N 24 %@ 2076-3417 %D 2020-12-20 %I Multidisciplinary Digital Publishing Institute %~ DeepDyve