Fig. 30From: Macro to nano specimen measurements using photons and electrons with digital holographic interferometry: a reviewScreen shots of: a optical thickness variation of a Red Blood Cells (RBC) rendered on the smart phone; b optical thickness variation of HeLa cell rendered on the same device; and c surface profile of micro channel on aluminum coated silicon substrate rendered on smart phone. Reprinted [74]. Copyright [2019], ElsevierBack to article page