Fig. 3 | Optical and Quantum Electronics

Fig. 3

From: Planar efficient metasurface for generation of Bessel beam and super-resolution focusing

Fig. 3

a − e The phase and E-field amplitude profiles of the Bessel beams at incident wavelength 532 nm with different orders n: n = 0, n = 1, n = 2, n = -2, n = 3, respectively. The first row shows phase profiles with parameter n: n = 0, n = 1, n = 2, n = -2, n = 3, respectively, obtained by theoretical method. The second row shows phase profiles that are corresponding to the first row, obtained by simulations. The third row shows amplitude profiles that are corresponding to the second row, obtained by simulations

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