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Fig. 1 | PhotoniX

Fig. 1

From: Adaptive optical microscopy via virtual-imaging-assisted wavefront sensing for high-resolution tissue imaging

Fig. 1

Schematic of virtual-imaging-assisted wavefront measurement. a Principle of image-based wavefront gradient measurement. b Measuring the gradient of a wavefront segment in biological tissues via virtual imaging. (I) Three-dimensional (3D) biological structures. (II) Shifted image acquired under zonal illumination. (III) Image stack acquired under full-pupil illumination, which is also the sample for virtual imaging. (IV) Reference image constructed by virtual imaging. (V) Image shift measurement between the test image and the reference image. c Corrective wavefront determination

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