Fig. 2: Impact of phase profile linearization on the cylindrical lens performance. | Light: Science & Applications

Fig. 2: Impact of phase profile linearization on the cylindrical lens performance.

From: High-efficiency, large-area, topology-optimized metasurfaces

Fig. 2

a Cylindrical lenses of focal length 36λ and NA of 0.7 are constructed using linear sections of length d for various values of d. b Line scans of the field intensity at the focal planes of the lenses. Lenses that are linearized with sections that are smaller than 4λ have peak intensities that are within 1% of that of the ideal lens

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