Pishnyak, O., Sato, S., & Lavrentovich, O. (2006). Electrically Tunable Lens Based on a Dual-Frequency Nematic Liquid Crystal. Applied Optics. https://doi.org/10.1364/AO.45.004576
Pishnyak, Oleg, Susumu Sato, and Oleg Lavrentovich. 2006. “Electrically Tunable Lens Based on a Dual-Frequency Nematic Liquid Crystal”. Applied Optics. https://doi.org/10.1364/AO.45.004576.
Pishnyak, O., S. Sato, and O. Lavrentovich. Electrically Tunable Lens Based on a Dual-Frequency Nematic Liquid Crystal. Applied Optics, 1 July 2006, doi:10.1364/AO.45.004576.