摘要
A novel periodic boundary condition （PBC）, that is the constant transverse wavenumber （CTW） method, is introduced to solve the time delay in the transverse plane with oblique incidence. Based on the novel PBC, the FDTD/PBC algorithm is proposed to study periodic structure consisting of plasma and vacuum. Then the reflection coefficient for the plasma slab from the FDTD/PBC algorithm is compared with the analytic results to show the validity of our technique. Finally, the reflection coefficients for the plasma photonic crystals are calculated using the FDTD/PBC algorithm to study the variation of bandgap characteristics with the incident angle and the plasma parameters. Thus it has provided the guiding sense for the actual manufacturing plasma photonic crystal.
A novel periodic boundary condition （PBC）, that is the constant transverse wavenumber （CTW） method, is introduced to solve the time delay in the transverse plane with oblique incidence. Based on the novel PBC, the FDTD/PBC algorithm is proposed to study periodic structure consisting of plasma and vacuum. Then the reflection coefficient for the plasma slab from the FDTD/PBC algorithm is compared with the analytic results to show the validity of our technique. Finally, the reflection coefficients for the plasma photonic crystals are calculated using the FDTD/PBC algorithm to study the variation of bandgap characteristics with the incident angle and the plasma parameters. Thus it has provided the guiding sense for the actual manufacturing plasma photonic crystal.
基金
Project supported by the National Natural Science Foundation of China (Grant No. 61072002)
the Ph. D. Program Foundation of the Ministry of Education of China (Grant No. 20093227120018)
the Science and Techniques Planning Project of Jiangsu Province of China (Grant No. BE2008107)
the Opening Funding of the State Key Laboratory of Millimeter Waves (Grant No. K200910)
the Advanced Professional Scientific Research Foundation of Jiangsu University (Grant No. 07JDG063),and the 9th Undergraduate Research Foundation of Jiangsu University (Grant No. 09A044)
