Demodulation for multi vortex beams based on composite diffraction hologram
WANG Yingying, LI Yingchun, SHAO Wei, ZHANG Weibin, SUN Tengfen, ZHU Fuquan
Journal of Shanghai University(Natural Science Edition) . 2017, (5): 658 -665 .  DOI: 10.12066/j.issn.1007-2861.1761