Fig. 14


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Possible FoV for the system of metagratings. Parameters of the diffraction gratings are presented in Table 1. Simulations corresponds to the systems (a) DG1+DG3+DG7 and (b) DG2+DG4+DG8 at green color wavelength. In the pictures (a)-(b) top left: Angular bandpass before in-coupler; top right: Angular bandpass before EPE; bottom left: Angular bandpass before out-coupler; bottom right: Angular bandpass after out-coupler;yellow band: Proper angular bandpass after diffraction; green band: Nonproper angular bandpass after diffraction; purple band: Bandpass impossible for diffraction.

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