@article{Liu2017, author = "Yan Jun Liu and Hai Tao Dai and Xiao Wei Sun and Tony Jun Huang", title = "{Media 2: Electrically switchable phase-type fractal zone plates and fractal photon sieves}", year = "2017", month = "4", url = "https://opticapublishing.figshare.com/articles/media/Media_2_Electrically_switchable_phase-type_fractal_zone_plates_and_fractal_photon_sieves/4939445", doi = "10.1364/OE.17.012418.m002" }