Li, L., Bryant, D., Heugten, T., & Bos, P. (2013). Physical Limitations and Fundamental Factors Affecting Performance of Liquid Crystal Tunable Lenses with Concentric Electrode Rings. Applied Optics. https://doi.org/ http://dx.doi.org/10.1364/AO.52.001978
Li, Liwei, Douglas Bryant, Tony Heugten, and Philip Bos. 2013. “Physical Limitations and Fundamental Factors Affecting Performance of Liquid Crystal Tunable Lenses With Concentric Electrode Rings”. Applied Optics. https://doi.org/ http://dx.doi.org/10.1364/AO.52.001978.
Li, L., D. Bryant, T. Heugten, and P. Bos. Physical Limitations and Fundamental Factors Affecting Performance of Liquid Crystal Tunable Lenses With Concentric Electrode Rings. Applied Optics, 20 Mar. 2013, doi: http://dx.doi.org/10.1364/AO.52.001978.