Fig. 5: Optical performance test of the EGG series electrowetting liquid lenses.

a Structure of the EGG series electrowetting liquid lens. b Setup of the imaging experiment. c Optical power of the EGG series liquid lenses. d Relationship between the EG weight fraction and the object distance with applied voltages of 0 V, 60 V, and 70 V. e–s Imaging experiment results of the EGG series electrowetting liquid lenses