M.C. Lea. “Optical modulators based on electrocapillarity,” Opt. Lett. 6, 395 (1981).

F. Mugele and J-C. Baret. “Electrowetting: from basics to applications,” J. Phys. Condens. Matter 17, R705 (2005).

“Lenses go liquid,” European Patent Office, www.epo.org/news-events/events/european-inventor/finalists/2013/berge/feature (2013).

J. Jarosz, et al. “Adaptive eyeglasses for presbyopia correction: an original variable-focus technology,” Opt. Express 27, 10533 (2019).

C. Chong, et al. “Four-dimensional visualization of zebrafish cardiovascular and vessel dynamics by a structured illumination microscope with electrically tunable lens,” 11, 1203 (2020).

X. Berthelon. “Improving iris recognition with liquid lens technology,” Corning, www.corning.com/media/worldwide/Innovation/documents/Varioptic/Improving_iris_recognition_liquid_lense.pdf (2020).