Direct near-field phase measurements of lensed fiber employing a single-mode fiber interferometer. - Wen-Hsuan Hsieh; Yi-Chung Huang; Jian-Li Chen; Wen-Chi Hung; Wood-Hi Cheng; Ying-Chien Tsai; Yi-Cheng Hsu; Maw-Tyan Sheen (ICAIT, 2013)