Yu Peng, Wang Bao-Qing, Wu Xiao-Hu, Wang Wen-Hao, Xu Hong-Xing, Wang Zhi-Ming. Circular dichroism of honeycomb-shaped elliptical hole absorberJ. Acta Physica Sinica, 2020, 69(20): 207101. DOI: 10.7498/aps.69.20200843