Spectral tuning of liquid microdroplets standing on a superhydrophobic surface using electrowetting June 28, 2012June 16, 2015 akiraz papers-2008 A. Kiraz*, Y. Karadağ, and A. F. Coskun Appl. Phys. Lett. 92, 191104 (2008) DOI: 10.1063/1.2927373 (PDF)