CAO Yuan-Ying, ZHANG Yong-Gang, LI Yao-Yao, GU Yi, LI Ai-Zhen, LI Hao-Si-Bai-Yin. Fabrication of column shape two dimensional photonic crystals: double developments in holographic lithography process[J]. Journal of Infrared and Millimeter Waves, 2014, 33(1): 45