Figure 6

The coaxial array of Q-PV. (a) The designed phase distribution of the coaxial array; (b) The light field distribution in the focal plane; (c) The phase distributions in the focal plane; (d) The phase information of each Q-PV ring.
The coaxial array of Q-PV. (a) The designed phase distribution of the coaxial array; (b) The light field distribution in the focal plane; (c) The phase distributions in the focal plane; (d) The phase information of each Q-PV ring.