Xin Yao, Haonan Li, Yaqiang Zhang, Nanli Mou, Hongxing Dong, Long Zhang. Design Method of Optical Window with Narrow Bandpass Frequency Selective Surface Based on Genetic Algorithm and Equivalent Circuit Model[J]. Chinese Journal of Lasers, 2022, 49(6): 0603004
- Chinese Journal of Lasers
- Vol. 49, Issue 6, 0603004 (2022)
Fig. 1. Narrow bandpass frequency selective optical window. (a) Structural diagram; (b) equivalent circuit
Fig. 2. Flow chart of FSS design and optimization
Fig. 3. Transmission coefficients of design-Ⅰ and design-Ⅱ using proposed EC model and full-wave simulation
Fig. 4. Transmissivities of design-Ⅰ and design-Ⅱ using full-wave simulation. (a) design-Ⅰ，TE-polarized；(b) design-Ⅰ，TM-polarized; (c) design-Ⅱ，TE-polarized; (b) design-Ⅱ，TM-polarized
Fig. 5. Transmissivities of design-Ⅰ and design-Ⅱ for normal incident waves with different polarization angles using full-wave simulation. (a) design-Ⅰ；(b) design-Ⅱ
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Table 1. Structural parameters optimized by genetic algorithm
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Table 2. Comparison of results optimized by genetic algorithm and full-wave simulation
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Table 3. Relative error of transmissivity obtained by EC model with respect to that by full-wave simulation unit: %
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