Fig. 9.

A method for improving the homogeneity of nonlinear images based on modulation of the distance $d$ between the grisms, hence on modulation of precompensation of SOD. (a) A 2PEF image of a fluorescein solution ($2.5\mu \mathrm{M}$). (b) Six zoomed images corresponding to six different distances $d$ between the grisms. The parameter $d$ changes in steps of 0.5 mm. (c) Composed image by the mean intensity projection of the six images of (b). (d) The variations of the signals for the three encircled cores of (b). The different points correspond to the different distances between the grisms.