Widely tunable guided-mode resonance filter using 90° twisted liquid crystal cladding. - Chun-Ta Wang; Hao-Hsiang Hou; Ping-Chien Chang; Keng-Hsien Lin; Cheng-Chang Li; Hung-Chang Jau; Yung-Jr Hung; Tsung-Hsien Lin (OFC, 2017)

Wafer-scale grating mapping system for rapid pitch and diffraction efficiency measurement. - Zon-Ru Wu; Tzu-Chieh Kao; Chia-Wei Kao; Ping-Chien Chang; Wei Lin; Yung-Jr Hung (OECC/PSC, 2019)