Laser & Optoelectronics Progress, Volume. 56, Issue 22, 220501(2019)
Optimization of Bilayer Sub-Wavelength Metallic Grating Based on Genetic Algorithm
Fig. 1. Schematic of bilayer sub-wavelength metallic grating structure
Fig. 2. Chromosome structure of individual
Fig. 3. Flowchart of optimization of GA
Fig. 4. Relationship between fitness function and iteration number
Fig. 5. TM transmittance characteristics of gratings
Fig. 6. Extinction ratio characteristics of gratings
Fig. 7. Analyses of process tolerance. (a)(c)(e)(g) TM transmittance; (b)(d)(f)(h) extinction ratio
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Chao An, Jinkui Chu, Ran Zhang. Optimization of Bilayer Sub-Wavelength Metallic Grating Based on Genetic Algorithm[J]. Laser & Optoelectronics Progress, 2019, 56(22): 220501
Category: Diffraction and Gratings
Received: Apr. 30, 2019
Accepted: May. 15, 2019
Published Online: Nov. 2, 2019
The Author Email: Chu Jinkui (chujk@dlut.edu.cn)