Fig. 3 | The second configuration, one of the PEC boundaries is replaced by air. (IMAGE)

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS

Fig. 3 | The second configuration, one of the PEC boundaries is replaced by air.

Caption

a, The photo of the sample with Ny= 2 and the eigenfield amplitude distribution at the nodal wave vector. b, The band structure for Ny= 2, the corresponding Q factor of boundary mode, the definition of geometric parameter η and the topological characters of the FBIC. c-d, The field distribution and attenuation characteristics of boundary modes in the second configuration.

Credit

by Tao Liu, Kai Bai, Yicheng Zhang, Duanduan Wan, Yun Lai, C.T. Chan, and Meng Xiao

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License

CC BY

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