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Verification of coherent quantitative phase (QP) super-resolution with 4× resolution gain. (a) Low-resolution intensity image and (b) “ground truth” phase at NA=0.4, for comparison. (c) Raw acquisitions of the speckle-illuminated sample intensity from two focus planes, collected with 0.1 NA. (d) Reconstructed SR amplitude and QP, demonstrating 4× resolution gain.
