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Figure 2
(a) RCWA-calculated first-order diffraction efficiency curve of the zone plate based on the local grating approximation model. (b) RCWA-calculated first-order diffraction efficiency of the zone plate under TE and TM polarizations. |
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Figure 2
(a) RCWA-calculated first-order diffraction efficiency curve of the zone plate based on the local grating approximation model. (b) RCWA-calculated first-order diffraction efficiency of the zone plate under TE and TM polarizations. |