![Coded Ptychography Blood Cells thumbnail](https://opn-web-afd-d3bfbkd5bcc5asbs.z02.azurefd.net/opn/media/images/imageoftheweek/2022/22-02-18.jpg?t=638430738160617987)
Coded Ptychography Blood Cells
The phase image of blood cells acquired by the lensless coded ptychography technique. The four cells with large phase values are white blood cells. [See Jiang et al., ACS Photon., doi: 10.1021/acsphotonics.1c01085]
—Guoan Zheng, University of Connecticut, USA